Synergistic Effect of Dual-Doped Carbon on $ Mo_{2} $C Nanocrystals Facilitates Alkaline Hydrogen Evolution

Highlights The B and N dual-doped carbon layer that encapsulated on $ Mo_{2} $C nanocrystals ($ Mo_{2} $CBNC) were fabricated for accelerating HER under alkaline condition.Theoretical calculations reveal that the $ H_{2} $O could be decomposed spontaneously over the introduced B sites, and the defec...
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Autor*in:	Zhou, Min [verfasserIn] Jiang, Xiaoli Kong, Weijie Li, Hangfei Lu, Fei Zhou, Xin Zhang, Yagang

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2023

Schlagwörter:	Molybdenum carbide Hydrogen evolution reaction Dual-doped Synergistic effect Superior performances

Anmerkung:	© The Author(s) 2023

Übergeordnetes Werk:	Enthalten in: Nano-Micro letters - Berlin : Springer, 2009, 15(2023), 1 vom: 03. Juli
Übergeordnetes Werk:	volume:15 ; year:2023 ; number:1 ; day:03 ; month:07

Links:	Volltext

DOI / URN:	10.1007/s40820-023-01135-0

Katalog-ID:	SPR052128970

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520			\|a Highlights The B and N dual-doped carbon layer that encapsulated on $ Mo_{2} $C nanocrystals ($ Mo_{2} $CBNC) were fabricated for accelerating HER under alkaline condition.Theoretical calculations reveal that the $ H_{2} $O could be decomposed spontaneously over the introduced B sites, and the defective C atoms in the dual-doped carbon layer provide the best H binding sites.The optimized dual doped $ Mo_{2} $C catalyst with synergistic effect of non-metal sites delivers superior HER performances.
520			\|a Abstract Molybdenum carbide ($ Mo_{2} $C) materials are promising electrocatalysts with potential applications in hydrogen evolution reaction (HER) due to low cost and Pt-like electronic structures. Nevertheless, their HER activity is usually hindered by the strong hydrogen binding energy. Moreover, the lack of water-cleaving sites makes it difficult for the catalysts to work in alkaline solutions. Here, we designed and synthesized a B and N dual-doped carbon layer that encapsulated on $ Mo_{2} $C nanocrystals ($ Mo_{2} $CBNC) for accelerating HER under alkaline condition. The electronic interactions between the $ Mo_{2} $C nanocrystals and the multiple-doped carbon layer endow a near-zero H adsorption Gibbs free energy on the defective C atoms over the carbon shell. Meanwhile, the introduced B atoms afford optimal $ H_{2} $O adsorption sites for the water-cleaving step. Accordingly, the dual-doped $ Mo_{2} $C catalyst with synergistic effect of non-metal sites delivers superior HER performances of a low overpotential (99 mV@10 mA $ cm^{−2} $) and a small Tafel slope (58.1 mV $ dec^{−1} $) in 1 M KOH solution. Furthermore, it presents a remarkable activity that outperforming the commercial 10% Pt/C catalyst at large current density, demonstrating its applicability in industrial water splitting. This study provides a reasonable design strategy towards noble-metal-free HER catalysts with high activity.
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700	1		\|a Lu, Fei \|4 aut
700	1		\|a Zhou, Xin \|4 aut
700	1		\|a Zhang, Yagang \|4 aut
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allfields	10.1007/s40820-023-01135-0 doi (DE-627)SPR052128970 (SPR)s40820-023-01135-0-e DE-627 ger DE-627 rakwb eng Zhou, Min verfasserin aut Synergistic Effect of Dual-Doped Carbon on $ Mo_{2} $C Nanocrystals Facilitates Alkaline Hydrogen Evolution 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2023 Highlights The B and N dual-doped carbon layer that encapsulated on $ Mo_{2} $C nanocrystals ($ Mo_{2} $CBNC) were fabricated for accelerating HER under alkaline condition.Theoretical calculations reveal that the $ H_{2} $O could be decomposed spontaneously over the introduced B sites, and the defective C atoms in the dual-doped carbon layer provide the best H binding sites.The optimized dual doped $ Mo_{2} $C catalyst with synergistic effect of non-metal sites delivers superior HER performances. Abstract Molybdenum carbide ($ Mo_{2} $C) materials are promising electrocatalysts with potential applications in hydrogen evolution reaction (HER) due to low cost and Pt-like electronic structures. Nevertheless, their HER activity is usually hindered by the strong hydrogen binding energy. Moreover, the lack of water-cleaving sites makes it difficult for the catalysts to work in alkaline solutions. Here, we designed and synthesized a B and N dual-doped carbon layer that encapsulated on $ Mo_{2} $C nanocrystals ($ Mo_{2} $CBNC) for accelerating HER under alkaline condition. The electronic interactions between the $ Mo_{2} $C nanocrystals and the multiple-doped carbon layer endow a near-zero H adsorption Gibbs free energy on the defective C atoms over the carbon shell. Meanwhile, the introduced B atoms afford optimal $ H_{2} $O adsorption sites for the water-cleaving step. Accordingly, the dual-doped $ Mo_{2} $C catalyst with synergistic effect of non-metal sites delivers superior HER performances of a low overpotential (99 mV@10 mA $ cm^{−2} $) and a small Tafel slope (58.1 mV $ dec^{−1} $) in 1 M KOH solution. Furthermore, it presents a remarkable activity that outperforming the commercial 10% Pt/C catalyst at large current density, demonstrating its applicability in industrial water splitting. This study provides a reasonable design strategy towards noble-metal-free HER catalysts with high activity. Molybdenum carbide (dpeaa)DE-He213 Hydrogen evolution reaction (dpeaa)DE-He213 Dual-doped (dpeaa)DE-He213 Synergistic effect (dpeaa)DE-He213 Superior performances (dpeaa)DE-He213 Jiang, Xiaoli aut Kong, Weijie aut Li, Hangfei aut Lu, Fei aut Zhou, Xin aut Zhang, Yagang aut Enthalten in Nano-Micro letters Berlin : Springer, 2009 15(2023), 1 vom: 03. Juli (DE-627)680319581 (DE-600)2642093-4 2150-5551 nnns volume:15 year:2023 number:1 day:03 month:07 https://dx.doi.org/10.1007/s40820-023-01135-0 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2027 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 15 2023 1 03 07
spelling	10.1007/s40820-023-01135-0 doi (DE-627)SPR052128970 (SPR)s40820-023-01135-0-e DE-627 ger DE-627 rakwb eng Zhou, Min verfasserin aut Synergistic Effect of Dual-Doped Carbon on $ Mo_{2} $C Nanocrystals Facilitates Alkaline Hydrogen Evolution 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2023 Highlights The B and N dual-doped carbon layer that encapsulated on $ Mo_{2} $C nanocrystals ($ Mo_{2} $CBNC) were fabricated for accelerating HER under alkaline condition.Theoretical calculations reveal that the $ H_{2} $O could be decomposed spontaneously over the introduced B sites, and the defective C atoms in the dual-doped carbon layer provide the best H binding sites.The optimized dual doped $ Mo_{2} $C catalyst with synergistic effect of non-metal sites delivers superior HER performances. Abstract Molybdenum carbide ($ Mo_{2} $C) materials are promising electrocatalysts with potential applications in hydrogen evolution reaction (HER) due to low cost and Pt-like electronic structures. Nevertheless, their HER activity is usually hindered by the strong hydrogen binding energy. Moreover, the lack of water-cleaving sites makes it difficult for the catalysts to work in alkaline solutions. Here, we designed and synthesized a B and N dual-doped carbon layer that encapsulated on $ Mo_{2} $C nanocrystals ($ Mo_{2} $CBNC) for accelerating HER under alkaline condition. The electronic interactions between the $ Mo_{2} $C nanocrystals and the multiple-doped carbon layer endow a near-zero H adsorption Gibbs free energy on the defective C atoms over the carbon shell. Meanwhile, the introduced B atoms afford optimal $ H_{2} $O adsorption sites for the water-cleaving step. Accordingly, the dual-doped $ Mo_{2} $C catalyst with synergistic effect of non-metal sites delivers superior HER performances of a low overpotential (99 mV@10 mA $ cm^{−2} $) and a small Tafel slope (58.1 mV $ dec^{−1} $) in 1 M KOH solution. Furthermore, it presents a remarkable activity that outperforming the commercial 10% Pt/C catalyst at large current density, demonstrating its applicability in industrial water splitting. This study provides a reasonable design strategy towards noble-metal-free HER catalysts with high activity. Molybdenum carbide (dpeaa)DE-He213 Hydrogen evolution reaction (dpeaa)DE-He213 Dual-doped (dpeaa)DE-He213 Synergistic effect (dpeaa)DE-He213 Superior performances (dpeaa)DE-He213 Jiang, Xiaoli aut Kong, Weijie aut Li, Hangfei aut Lu, Fei aut Zhou, Xin aut Zhang, Yagang aut Enthalten in Nano-Micro letters Berlin : Springer, 2009 15(2023), 1 vom: 03. Juli (DE-627)680319581 (DE-600)2642093-4 2150-5551 nnns volume:15 year:2023 number:1 day:03 month:07 https://dx.doi.org/10.1007/s40820-023-01135-0 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2027 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 15 2023 1 03 07
allfields_unstemmed	10.1007/s40820-023-01135-0 doi (DE-627)SPR052128970 (SPR)s40820-023-01135-0-e DE-627 ger DE-627 rakwb eng Zhou, Min verfasserin aut Synergistic Effect of Dual-Doped Carbon on $ Mo_{2} $C Nanocrystals Facilitates Alkaline Hydrogen Evolution 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2023 Highlights The B and N dual-doped carbon layer that encapsulated on $ Mo_{2} $C nanocrystals ($ Mo_{2} $CBNC) were fabricated for accelerating HER under alkaline condition.Theoretical calculations reveal that the $ H_{2} $O could be decomposed spontaneously over the introduced B sites, and the defective C atoms in the dual-doped carbon layer provide the best H binding sites.The optimized dual doped $ Mo_{2} $C catalyst with synergistic effect of non-metal sites delivers superior HER performances. Abstract Molybdenum carbide ($ Mo_{2} $C) materials are promising electrocatalysts with potential applications in hydrogen evolution reaction (HER) due to low cost and Pt-like electronic structures. Nevertheless, their HER activity is usually hindered by the strong hydrogen binding energy. Moreover, the lack of water-cleaving sites makes it difficult for the catalysts to work in alkaline solutions. Here, we designed and synthesized a B and N dual-doped carbon layer that encapsulated on $ Mo_{2} $C nanocrystals ($ Mo_{2} $CBNC) for accelerating HER under alkaline condition. The electronic interactions between the $ Mo_{2} $C nanocrystals and the multiple-doped carbon layer endow a near-zero H adsorption Gibbs free energy on the defective C atoms over the carbon shell. Meanwhile, the introduced B atoms afford optimal $ H_{2} $O adsorption sites for the water-cleaving step. Accordingly, the dual-doped $ Mo_{2} $C catalyst with synergistic effect of non-metal sites delivers superior HER performances of a low overpotential (99 mV@10 mA $ cm^{−2} $) and a small Tafel slope (58.1 mV $ dec^{−1} $) in 1 M KOH solution. Furthermore, it presents a remarkable activity that outperforming the commercial 10% Pt/C catalyst at large current density, demonstrating its applicability in industrial water splitting. This study provides a reasonable design strategy towards noble-metal-free HER catalysts with high activity. Molybdenum carbide (dpeaa)DE-He213 Hydrogen evolution reaction (dpeaa)DE-He213 Dual-doped (dpeaa)DE-He213 Synergistic effect (dpeaa)DE-He213 Superior performances (dpeaa)DE-He213 Jiang, Xiaoli aut Kong, Weijie aut Li, Hangfei aut Lu, Fei aut Zhou, Xin aut Zhang, Yagang aut Enthalten in Nano-Micro letters Berlin : Springer, 2009 15(2023), 1 vom: 03. Juli (DE-627)680319581 (DE-600)2642093-4 2150-5551 nnns volume:15 year:2023 number:1 day:03 month:07 https://dx.doi.org/10.1007/s40820-023-01135-0 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2027 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 15 2023 1 03 07
allfieldsGer	10.1007/s40820-023-01135-0 doi (DE-627)SPR052128970 (SPR)s40820-023-01135-0-e DE-627 ger DE-627 rakwb eng Zhou, Min verfasserin aut Synergistic Effect of Dual-Doped Carbon on $ Mo_{2} $C Nanocrystals Facilitates Alkaline Hydrogen Evolution 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2023 Highlights The B and N dual-doped carbon layer that encapsulated on $ Mo_{2} $C nanocrystals ($ Mo_{2} $CBNC) were fabricated for accelerating HER under alkaline condition.Theoretical calculations reveal that the $ H_{2} $O could be decomposed spontaneously over the introduced B sites, and the defective C atoms in the dual-doped carbon layer provide the best H binding sites.The optimized dual doped $ Mo_{2} $C catalyst with synergistic effect of non-metal sites delivers superior HER performances. Abstract Molybdenum carbide ($ Mo_{2} $C) materials are promising electrocatalysts with potential applications in hydrogen evolution reaction (HER) due to low cost and Pt-like electronic structures. Nevertheless, their HER activity is usually hindered by the strong hydrogen binding energy. Moreover, the lack of water-cleaving sites makes it difficult for the catalysts to work in alkaline solutions. Here, we designed and synthesized a B and N dual-doped carbon layer that encapsulated on $ Mo_{2} $C nanocrystals ($ Mo_{2} $CBNC) for accelerating HER under alkaline condition. The electronic interactions between the $ Mo_{2} $C nanocrystals and the multiple-doped carbon layer endow a near-zero H adsorption Gibbs free energy on the defective C atoms over the carbon shell. Meanwhile, the introduced B atoms afford optimal $ H_{2} $O adsorption sites for the water-cleaving step. Accordingly, the dual-doped $ Mo_{2} $C catalyst with synergistic effect of non-metal sites delivers superior HER performances of a low overpotential (99 mV@10 mA $ cm^{−2} $) and a small Tafel slope (58.1 mV $ dec^{−1} $) in 1 M KOH solution. Furthermore, it presents a remarkable activity that outperforming the commercial 10% Pt/C catalyst at large current density, demonstrating its applicability in industrial water splitting. This study provides a reasonable design strategy towards noble-metal-free HER catalysts with high activity. Molybdenum carbide (dpeaa)DE-He213 Hydrogen evolution reaction (dpeaa)DE-He213 Dual-doped (dpeaa)DE-He213 Synergistic effect (dpeaa)DE-He213 Superior performances (dpeaa)DE-He213 Jiang, Xiaoli aut Kong, Weijie aut Li, Hangfei aut Lu, Fei aut Zhou, Xin aut Zhang, Yagang aut Enthalten in Nano-Micro letters Berlin : Springer, 2009 15(2023), 1 vom: 03. Juli (DE-627)680319581 (DE-600)2642093-4 2150-5551 nnns volume:15 year:2023 number:1 day:03 month:07 https://dx.doi.org/10.1007/s40820-023-01135-0 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2027 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 15 2023 1 03 07
allfieldsSound	10.1007/s40820-023-01135-0 doi (DE-627)SPR052128970 (SPR)s40820-023-01135-0-e DE-627 ger DE-627 rakwb eng Zhou, Min verfasserin aut Synergistic Effect of Dual-Doped Carbon on $ Mo_{2} $C Nanocrystals Facilitates Alkaline Hydrogen Evolution 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2023 Highlights The B and N dual-doped carbon layer that encapsulated on $ Mo_{2} $C nanocrystals ($ Mo_{2} $CBNC) were fabricated for accelerating HER under alkaline condition.Theoretical calculations reveal that the $ H_{2} $O could be decomposed spontaneously over the introduced B sites, and the defective C atoms in the dual-doped carbon layer provide the best H binding sites.The optimized dual doped $ Mo_{2} $C catalyst with synergistic effect of non-metal sites delivers superior HER performances. Abstract Molybdenum carbide ($ Mo_{2} $C) materials are promising electrocatalysts with potential applications in hydrogen evolution reaction (HER) due to low cost and Pt-like electronic structures. Nevertheless, their HER activity is usually hindered by the strong hydrogen binding energy. Moreover, the lack of water-cleaving sites makes it difficult for the catalysts to work in alkaline solutions. Here, we designed and synthesized a B and N dual-doped carbon layer that encapsulated on $ Mo_{2} $C nanocrystals ($ Mo_{2} $CBNC) for accelerating HER under alkaline condition. The electronic interactions between the $ Mo_{2} $C nanocrystals and the multiple-doped carbon layer endow a near-zero H adsorption Gibbs free energy on the defective C atoms over the carbon shell. Meanwhile, the introduced B atoms afford optimal $ H_{2} $O adsorption sites for the water-cleaving step. Accordingly, the dual-doped $ Mo_{2} $C catalyst with synergistic effect of non-metal sites delivers superior HER performances of a low overpotential (99 mV@10 mA $ cm^{−2} $) and a small Tafel slope (58.1 mV $ dec^{−1} $) in 1 M KOH solution. Furthermore, it presents a remarkable activity that outperforming the commercial 10% Pt/C catalyst at large current density, demonstrating its applicability in industrial water splitting. This study provides a reasonable design strategy towards noble-metal-free HER catalysts with high activity. Molybdenum carbide (dpeaa)DE-He213 Hydrogen evolution reaction (dpeaa)DE-He213 Dual-doped (dpeaa)DE-He213 Synergistic effect (dpeaa)DE-He213 Superior performances (dpeaa)DE-He213 Jiang, Xiaoli aut Kong, Weijie aut Li, Hangfei aut Lu, Fei aut Zhou, Xin aut Zhang, Yagang aut Enthalten in Nano-Micro letters Berlin : Springer, 2009 15(2023), 1 vom: 03. Juli (DE-627)680319581 (DE-600)2642093-4 2150-5551 nnns volume:15 year:2023 number:1 day:03 month:07 https://dx.doi.org/10.1007/s40820-023-01135-0 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2027 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 15 2023 1 03 07
language	English
source	Enthalten in Nano-Micro letters 15(2023), 1 vom: 03. Juli volume:15 year:2023 number:1 day:03 month:07
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author	Zhou, Min
spellingShingle	Zhou, Min misc Molybdenum carbide misc Hydrogen evolution reaction misc Dual-doped misc Synergistic effect misc Superior performances Synergistic Effect of Dual-Doped Carbon on $ Mo_{2} $C Nanocrystals Facilitates Alkaline Hydrogen Evolution
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topic_title	Synergistic Effect of Dual-Doped Carbon on $ Mo_{2} $C Nanocrystals Facilitates Alkaline Hydrogen Evolution Molybdenum carbide (dpeaa)DE-He213 Hydrogen evolution reaction (dpeaa)DE-He213 Dual-doped (dpeaa)DE-He213 Synergistic effect (dpeaa)DE-He213 Superior performances (dpeaa)DE-He213
topic	misc Molybdenum carbide misc Hydrogen evolution reaction misc Dual-doped misc Synergistic effect misc Superior performances
topic_unstemmed	misc Molybdenum carbide misc Hydrogen evolution reaction misc Dual-doped misc Synergistic effect misc Superior performances
topic_browse	misc Molybdenum carbide misc Hydrogen evolution reaction misc Dual-doped misc Synergistic effect misc Superior performances
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title	Synergistic Effect of Dual-Doped Carbon on $ Mo_{2} $C Nanocrystals Facilitates Alkaline Hydrogen Evolution
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title_full	Synergistic Effect of Dual-Doped Carbon on $ Mo_{2} $C Nanocrystals Facilitates Alkaline Hydrogen Evolution
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title_sort	synergistic effect of dual-doped carbon on $ mo_{2} $c nanocrystals facilitates alkaline hydrogen evolution
title_auth	Synergistic Effect of Dual-Doped Carbon on $ Mo_{2} $C Nanocrystals Facilitates Alkaline Hydrogen Evolution
abstract	Highlights The B and N dual-doped carbon layer that encapsulated on $ Mo_{2} $C nanocrystals ($ Mo_{2} $CBNC) were fabricated for accelerating HER under alkaline condition.Theoretical calculations reveal that the $ H_{2} $O could be decomposed spontaneously over the introduced B sites, and the defective C atoms in the dual-doped carbon layer provide the best H binding sites.The optimized dual doped $ Mo_{2} $C catalyst with synergistic effect of non-metal sites delivers superior HER performances. Abstract Molybdenum carbide ($ Mo_{2} $C) materials are promising electrocatalysts with potential applications in hydrogen evolution reaction (HER) due to low cost and Pt-like electronic structures. Nevertheless, their HER activity is usually hindered by the strong hydrogen binding energy. Moreover, the lack of water-cleaving sites makes it difficult for the catalysts to work in alkaline solutions. Here, we designed and synthesized a B and N dual-doped carbon layer that encapsulated on $ Mo_{2} $C nanocrystals ($ Mo_{2} $CBNC) for accelerating HER under alkaline condition. The electronic interactions between the $ Mo_{2} $C nanocrystals and the multiple-doped carbon layer endow a near-zero H adsorption Gibbs free energy on the defective C atoms over the carbon shell. Meanwhile, the introduced B atoms afford optimal $ H_{2} $O adsorption sites for the water-cleaving step. Accordingly, the dual-doped $ Mo_{2} $C catalyst with synergistic effect of non-metal sites delivers superior HER performances of a low overpotential (99 mV@10 mA $ cm^{−2} $) and a small Tafel slope (58.1 mV $ dec^{−1} $) in 1 M KOH solution. Furthermore, it presents a remarkable activity that outperforming the commercial 10% Pt/C catalyst at large current density, demonstrating its applicability in industrial water splitting. This study provides a reasonable design strategy towards noble-metal-free HER catalysts with high activity. © The Author(s) 2023
abstractGer	Highlights The B and N dual-doped carbon layer that encapsulated on $ Mo_{2} $C nanocrystals ($ Mo_{2} $CBNC) were fabricated for accelerating HER under alkaline condition.Theoretical calculations reveal that the $ H_{2} $O could be decomposed spontaneously over the introduced B sites, and the defective C atoms in the dual-doped carbon layer provide the best H binding sites.The optimized dual doped $ Mo_{2} $C catalyst with synergistic effect of non-metal sites delivers superior HER performances. Abstract Molybdenum carbide ($ Mo_{2} $C) materials are promising electrocatalysts with potential applications in hydrogen evolution reaction (HER) due to low cost and Pt-like electronic structures. Nevertheless, their HER activity is usually hindered by the strong hydrogen binding energy. Moreover, the lack of water-cleaving sites makes it difficult for the catalysts to work in alkaline solutions. Here, we designed and synthesized a B and N dual-doped carbon layer that encapsulated on $ Mo_{2} $C nanocrystals ($ Mo_{2} $CBNC) for accelerating HER under alkaline condition. The electronic interactions between the $ Mo_{2} $C nanocrystals and the multiple-doped carbon layer endow a near-zero H adsorption Gibbs free energy on the defective C atoms over the carbon shell. Meanwhile, the introduced B atoms afford optimal $ H_{2} $O adsorption sites for the water-cleaving step. Accordingly, the dual-doped $ Mo_{2} $C catalyst with synergistic effect of non-metal sites delivers superior HER performances of a low overpotential (99 mV@10 mA $ cm^{−2} $) and a small Tafel slope (58.1 mV $ dec^{−1} $) in 1 M KOH solution. Furthermore, it presents a remarkable activity that outperforming the commercial 10% Pt/C catalyst at large current density, demonstrating its applicability in industrial water splitting. This study provides a reasonable design strategy towards noble-metal-free HER catalysts with high activity. © The Author(s) 2023
abstract_unstemmed	Highlights The B and N dual-doped carbon layer that encapsulated on $ Mo_{2} $C nanocrystals ($ Mo_{2} $CBNC) were fabricated for accelerating HER under alkaline condition.Theoretical calculations reveal that the $ H_{2} $O could be decomposed spontaneously over the introduced B sites, and the defective C atoms in the dual-doped carbon layer provide the best H binding sites.The optimized dual doped $ Mo_{2} $C catalyst with synergistic effect of non-metal sites delivers superior HER performances. Abstract Molybdenum carbide ($ Mo_{2} $C) materials are promising electrocatalysts with potential applications in hydrogen evolution reaction (HER) due to low cost and Pt-like electronic structures. Nevertheless, their HER activity is usually hindered by the strong hydrogen binding energy. Moreover, the lack of water-cleaving sites makes it difficult for the catalysts to work in alkaline solutions. Here, we designed and synthesized a B and N dual-doped carbon layer that encapsulated on $ Mo_{2} $C nanocrystals ($ Mo_{2} $CBNC) for accelerating HER under alkaline condition. The electronic interactions between the $ Mo_{2} $C nanocrystals and the multiple-doped carbon layer endow a near-zero H adsorption Gibbs free energy on the defective C atoms over the carbon shell. Meanwhile, the introduced B atoms afford optimal $ H_{2} $O adsorption sites for the water-cleaving step. Accordingly, the dual-doped $ Mo_{2} $C catalyst with synergistic effect of non-metal sites delivers superior HER performances of a low overpotential (99 mV@10 mA $ cm^{−2} $) and a small Tafel slope (58.1 mV $ dec^{−1} $) in 1 M KOH solution. Furthermore, it presents a remarkable activity that outperforming the commercial 10% Pt/C catalyst at large current density, demonstrating its applicability in industrial water splitting. This study provides a reasonable design strategy towards noble-metal-free HER catalysts with high activity. © The Author(s) 2023
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title_short	Synergistic Effect of Dual-Doped Carbon on $ Mo_{2} $C Nanocrystals Facilitates Alkaline Hydrogen Evolution
url	https://dx.doi.org/10.1007/s40820-023-01135-0
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fullrecord_marcxml	<?xml version="1.0" encoding="UTF-8"?><collection xmlns="http://www.loc.gov/MARC21/slim"><record><leader>01000caa a22002652 4500</leader><controlfield tag="001">SPR052128970</controlfield><controlfield tag="003">DE-627</controlfield><controlfield tag="005">20231114064734.0</controlfield><controlfield tag="007">cr uuu---uuuuu</controlfield><controlfield tag="008">230703s2023 xx \|\|\|\|\|o 00\| \|\|eng c</controlfield><datafield tag="024" ind1="7" ind2=" "><subfield code="a">10.1007/s40820-023-01135-0</subfield><subfield code="2">doi</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-627)SPR052128970</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(SPR)s40820-023-01135-0-e</subfield></datafield><datafield tag="040" ind1=" " ind2=" "><subfield code="a">DE-627</subfield><subfield code="b">ger</subfield><subfield code="c">DE-627</subfield><subfield code="e">rakwb</subfield></datafield><datafield tag="041" ind1=" " ind2=" "><subfield code="a">eng</subfield></datafield><datafield tag="100" ind1="1" ind2=" "><subfield code="a">Zhou, Min</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">Synergistic Effect of Dual-Doped Carbon on $ Mo_{2} $C Nanocrystals Facilitates Alkaline Hydrogen Evolution</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="c">2023</subfield></datafield><datafield tag="336" ind1=" " ind2=" "><subfield code="a">Text</subfield><subfield code="b">txt</subfield><subfield code="2">rdacontent</subfield></datafield><datafield tag="337" ind1=" " ind2=" "><subfield code="a">Computermedien</subfield><subfield code="b">c</subfield><subfield code="2">rdamedia</subfield></datafield><datafield tag="338" ind1=" " ind2=" "><subfield code="a">Online-Ressource</subfield><subfield code="b">cr</subfield><subfield code="2">rdacarrier</subfield></datafield><datafield tag="500" ind1=" " ind2=" "><subfield code="a">© The Author(s) 2023</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">Highlights The B and N dual-doped carbon layer that encapsulated on $ Mo_{2} $C nanocrystals ($ Mo_{2} $CBNC) were fabricated for accelerating HER under alkaline condition.Theoretical calculations reveal that the $ H_{2} $O could be decomposed spontaneously over the introduced B sites, and the defective C atoms in the dual-doped carbon layer provide the best H binding sites.The optimized dual doped $ Mo_{2} $C catalyst with synergistic effect of non-metal sites delivers superior HER performances.</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">Abstract Molybdenum carbide ($ Mo_{2} $C) materials are promising electrocatalysts with potential applications in hydrogen evolution reaction (HER) due to low cost and Pt-like electronic structures. Nevertheless, their HER activity is usually hindered by the strong hydrogen binding energy. Moreover, the lack of water-cleaving sites makes it difficult for the catalysts to work in alkaline solutions. Here, we designed and synthesized a B and N dual-doped carbon layer that encapsulated on $ Mo_{2} $C nanocrystals ($ Mo_{2} $CBNC) for accelerating HER under alkaline condition. The electronic interactions between the $ Mo_{2} $C nanocrystals and the multiple-doped carbon layer endow a near-zero H adsorption Gibbs free energy on the defective C atoms over the carbon shell. Meanwhile, the introduced B atoms afford optimal $ H_{2} $O adsorption sites for the water-cleaving step. Accordingly, the dual-doped $ Mo_{2} $C catalyst with synergistic effect of non-metal sites delivers superior HER performances of a low overpotential (99 mV@10 mA $ cm^{−2} $) and a small Tafel slope (58.1 mV $ dec^{−1} $) in 1 M KOH solution. Furthermore, it presents a remarkable activity that outperforming the commercial 10% Pt/C catalyst at large current density, demonstrating its applicability in industrial water splitting. This study provides a reasonable design strategy towards noble-metal-free HER catalysts with high activity.</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Molybdenum carbide</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Hydrogen evolution reaction</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Dual-doped</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Synergistic effect</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Superior performances</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Jiang, Xiaoli</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Kong, Weijie</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Li, Hangfei</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Lu, Fei</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Zhou, Xin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Zhang, Yagang</subfield><subfield code="4">aut</subfield></datafield><datafield tag="773" ind1="0" ind2="8"><subfield code="i">Enthalten in</subfield><subfield code="t">Nano-Micro letters</subfield><subfield code="d">Berlin : Springer, 2009</subfield><subfield code="g">15(2023), 1 vom: 03. Juli</subfield><subfield code="w">(DE-627)680319581</subfield><subfield code="w">(DE-600)2642093-4</subfield><subfield code="x">2150-5551</subfield><subfield code="7">nnns</subfield></datafield><datafield tag="773" ind1="1" ind2="8"><subfield code="g">volume:15</subfield><subfield code="g">year:2023</subfield><subfield code="g">number:1</subfield><subfield code="g">day:03</subfield><subfield code="g">month:07</subfield></datafield><datafield tag="856" ind1="4" ind2="0"><subfield code="u">https://dx.doi.org/10.1007/s40820-023-01135-0</subfield><subfield code="z">kostenfrei</subfield><subfield code="3">Volltext</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_USEFLAG_A</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">SYSFLAG_A</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_SPRINGER</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield 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Synergistic Effect of Dual-Doped Carbon on $ Mo_{2} $C Nanocrystals Facilitates Alkaline Hydrogen Evolution

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