Photoelectrochemical Hydrogen Evolution and CO<sub<2</sub< Reduction over MoS<sub<2</sub</Si and MoSe<sub<2</sub</Si Nanostructures by Combined Photoelectrochemical Deposition and Rapid-Thermal Annealing Process

Diverse methods have been employed to synthesize MoS<sub<2</sub< and MoSe<sub<2</sub< catalyst systems. Herein, a combined photoelectrochemical (PEC) deposition and rapid-thermal annealing process has first been employed to fabricate MoS<sub<2</sub< and MoSe<su...
Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Sungmin Hong [verfasserIn] Choong Kyun Rhee [verfasserIn] Youngku Sohn [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2019

Schlagwörter:	MoS MoSe photoelectrochemical deposition rapid-thermal annealing hydrogen evolution CO

Übergeordnetes Werk:	In: Catalysts - MDPI AG, 2012, 9(2019), 6, p 494
Übergeordnetes Werk:	volume:9 ; year:2019 ; number:6, p 494

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.3390/catal9060494

Katalog-ID:	DOAJ017946034

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allfields	10.3390/catal9060494 doi (DE-627)DOAJ017946034 (DE-599)DOAJ7b91c57c10fe402791e796fcf47d6b84 DE-627 ger DE-627 rakwb eng TP1-1185 QD1-999 Sungmin Hong verfasserin aut Photoelectrochemical Hydrogen Evolution and CO<sub<2</sub< Reduction over MoS<sub<2</sub</Si and MoSe<sub<2</sub</Si Nanostructures by Combined Photoelectrochemical Deposition and Rapid-Thermal Annealing Process 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Diverse methods have been employed to synthesize MoS<sub<2</sub< and MoSe<sub<2</sub< catalyst systems. Herein, a combined photoelectrochemical (PEC) deposition and rapid-thermal annealing process has first been employed to fabricate MoS<sub<2</sub< and MoSe<sub<2</sub< thin films on Si substrates. The newly developed transition-metal dichalcogenides were characterized by scanning electron microscopy, Raman spectroscopy and X-ray photoelectron spectroscopy. PEC hydrogen evolution reaction (HER) was demonstrated in an acidic condition to show a PEC catalytic performance order of MoO<sub<x</sub</Si < MoS<sub<2</sub</Si << MoSe<sub<2</sub</Si under the visible light-on condition. The HER activity (4.5 mA/cm<sup<2</sup< at −1.0 V vs Ag/AgCl) of MoSe<sub<2</sub</Si was increased by 4.8× compared with that under the dark condition. For CO<sub<2</sub< reduction, the PEC activity was observed to be in the order of MoS<sub<2</sub</Si < MoO<sub<x</sub</Si << MoSe<sub<2</sub</Si under the visible light-on condition. The reduction activity (0.127 mA/cm<sup<2</sup<) of MoSe<sub<2</sub</Si was increased by 9.3× compared with that under the dark condition. The combined electrochemical deposition and rapid-thermal annealing method could be a very useful method for fabricating a thin film state catalytic system perusing hydrogen production and CO<sub<2</sub< energy conversion. MoS<sub<2</sub< MoSe<sub<2</sub< photoelectrochemical deposition rapid-thermal annealing hydrogen evolution CO<sub<2</sub< reduction Chemical technology Chemistry Choong Kyun Rhee verfasserin aut Youngku Sohn verfasserin aut In Catalysts MDPI AG, 2012 9(2019), 6, p 494 (DE-627)71862646X (DE-600)2662126-5 20734344 nnns volume:9 year:2019 number:6, p 494 https://doi.org/10.3390/catal9060494 kostenfrei https://doaj.org/article/7b91c57c10fe402791e796fcf47d6b84 kostenfrei https://www.mdpi.com/2073-4344/9/6/494 kostenfrei https://doaj.org/toc/2073-4344 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 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_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 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_4338 GBV_ILN_4367 GBV_ILN_4700 AR 9 2019 6, p 494
spelling	10.3390/catal9060494 doi (DE-627)DOAJ017946034 (DE-599)DOAJ7b91c57c10fe402791e796fcf47d6b84 DE-627 ger DE-627 rakwb eng TP1-1185 QD1-999 Sungmin Hong verfasserin aut Photoelectrochemical Hydrogen Evolution and CO<sub<2</sub< Reduction over MoS<sub<2</sub</Si and MoSe<sub<2</sub</Si Nanostructures by Combined Photoelectrochemical Deposition and Rapid-Thermal Annealing Process 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Diverse methods have been employed to synthesize MoS<sub<2</sub< and MoSe<sub<2</sub< catalyst systems. Herein, a combined photoelectrochemical (PEC) deposition and rapid-thermal annealing process has first been employed to fabricate MoS<sub<2</sub< and MoSe<sub<2</sub< thin films on Si substrates. The newly developed transition-metal dichalcogenides were characterized by scanning electron microscopy, Raman spectroscopy and X-ray photoelectron spectroscopy. PEC hydrogen evolution reaction (HER) was demonstrated in an acidic condition to show a PEC catalytic performance order of MoO<sub<x</sub</Si < MoS<sub<2</sub</Si << MoSe<sub<2</sub</Si under the visible light-on condition. The HER activity (4.5 mA/cm<sup<2</sup< at −1.0 V vs Ag/AgCl) of MoSe<sub<2</sub</Si was increased by 4.8× compared with that under the dark condition. For CO<sub<2</sub< reduction, the PEC activity was observed to be in the order of MoS<sub<2</sub</Si < MoO<sub<x</sub</Si << MoSe<sub<2</sub</Si under the visible light-on condition. The reduction activity (0.127 mA/cm<sup<2</sup<) of MoSe<sub<2</sub</Si was increased by 9.3× compared with that under the dark condition. The combined electrochemical deposition and rapid-thermal annealing method could be a very useful method for fabricating a thin film state catalytic system perusing hydrogen production and CO<sub<2</sub< energy conversion. MoS<sub<2</sub< MoSe<sub<2</sub< photoelectrochemical deposition rapid-thermal annealing hydrogen evolution CO<sub<2</sub< reduction Chemical technology Chemistry Choong Kyun Rhee verfasserin aut Youngku Sohn verfasserin aut In Catalysts MDPI AG, 2012 9(2019), 6, p 494 (DE-627)71862646X (DE-600)2662126-5 20734344 nnns volume:9 year:2019 number:6, p 494 https://doi.org/10.3390/catal9060494 kostenfrei https://doaj.org/article/7b91c57c10fe402791e796fcf47d6b84 kostenfrei https://www.mdpi.com/2073-4344/9/6/494 kostenfrei https://doaj.org/toc/2073-4344 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 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_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 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_4338 GBV_ILN_4367 GBV_ILN_4700 AR 9 2019 6, p 494
allfields_unstemmed	10.3390/catal9060494 doi (DE-627)DOAJ017946034 (DE-599)DOAJ7b91c57c10fe402791e796fcf47d6b84 DE-627 ger DE-627 rakwb eng TP1-1185 QD1-999 Sungmin Hong verfasserin aut Photoelectrochemical Hydrogen Evolution and CO<sub<2</sub< Reduction over MoS<sub<2</sub</Si and MoSe<sub<2</sub</Si Nanostructures by Combined Photoelectrochemical Deposition and Rapid-Thermal Annealing Process 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Diverse methods have been employed to synthesize MoS<sub<2</sub< and MoSe<sub<2</sub< catalyst systems. Herein, a combined photoelectrochemical (PEC) deposition and rapid-thermal annealing process has first been employed to fabricate MoS<sub<2</sub< and MoSe<sub<2</sub< thin films on Si substrates. The newly developed transition-metal dichalcogenides were characterized by scanning electron microscopy, Raman spectroscopy and X-ray photoelectron spectroscopy. PEC hydrogen evolution reaction (HER) was demonstrated in an acidic condition to show a PEC catalytic performance order of MoO<sub<x</sub</Si < MoS<sub<2</sub</Si << MoSe<sub<2</sub</Si under the visible light-on condition. The HER activity (4.5 mA/cm<sup<2</sup< at −1.0 V vs Ag/AgCl) of MoSe<sub<2</sub</Si was increased by 4.8× compared with that under the dark condition. For CO<sub<2</sub< reduction, the PEC activity was observed to be in the order of MoS<sub<2</sub</Si < MoO<sub<x</sub</Si << MoSe<sub<2</sub</Si under the visible light-on condition. The reduction activity (0.127 mA/cm<sup<2</sup<) of MoSe<sub<2</sub</Si was increased by 9.3× compared with that under the dark condition. The combined electrochemical deposition and rapid-thermal annealing method could be a very useful method for fabricating a thin film state catalytic system perusing hydrogen production and CO<sub<2</sub< energy conversion. MoS<sub<2</sub< MoSe<sub<2</sub< photoelectrochemical deposition rapid-thermal annealing hydrogen evolution CO<sub<2</sub< reduction Chemical technology Chemistry Choong Kyun Rhee verfasserin aut Youngku Sohn verfasserin aut In Catalysts MDPI AG, 2012 9(2019), 6, p 494 (DE-627)71862646X (DE-600)2662126-5 20734344 nnns volume:9 year:2019 number:6, p 494 https://doi.org/10.3390/catal9060494 kostenfrei https://doaj.org/article/7b91c57c10fe402791e796fcf47d6b84 kostenfrei https://www.mdpi.com/2073-4344/9/6/494 kostenfrei https://doaj.org/toc/2073-4344 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 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_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 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_4338 GBV_ILN_4367 GBV_ILN_4700 AR 9 2019 6, p 494
allfieldsGer	10.3390/catal9060494 doi (DE-627)DOAJ017946034 (DE-599)DOAJ7b91c57c10fe402791e796fcf47d6b84 DE-627 ger DE-627 rakwb eng TP1-1185 QD1-999 Sungmin Hong verfasserin aut Photoelectrochemical Hydrogen Evolution and CO<sub<2</sub< Reduction over MoS<sub<2</sub</Si and MoSe<sub<2</sub</Si Nanostructures by Combined Photoelectrochemical Deposition and Rapid-Thermal Annealing Process 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Diverse methods have been employed to synthesize MoS<sub<2</sub< and MoSe<sub<2</sub< catalyst systems. Herein, a combined photoelectrochemical (PEC) deposition and rapid-thermal annealing process has first been employed to fabricate MoS<sub<2</sub< and MoSe<sub<2</sub< thin films on Si substrates. The newly developed transition-metal dichalcogenides were characterized by scanning electron microscopy, Raman spectroscopy and X-ray photoelectron spectroscopy. PEC hydrogen evolution reaction (HER) was demonstrated in an acidic condition to show a PEC catalytic performance order of MoO<sub<x</sub</Si < MoS<sub<2</sub</Si << MoSe<sub<2</sub</Si under the visible light-on condition. The HER activity (4.5 mA/cm<sup<2</sup< at −1.0 V vs Ag/AgCl) of MoSe<sub<2</sub</Si was increased by 4.8× compared with that under the dark condition. For CO<sub<2</sub< reduction, the PEC activity was observed to be in the order of MoS<sub<2</sub</Si < MoO<sub<x</sub</Si << MoSe<sub<2</sub</Si under the visible light-on condition. The reduction activity (0.127 mA/cm<sup<2</sup<) of MoSe<sub<2</sub</Si was increased by 9.3× compared with that under the dark condition. The combined electrochemical deposition and rapid-thermal annealing method could be a very useful method for fabricating a thin film state catalytic system perusing hydrogen production and CO<sub<2</sub< energy conversion. MoS<sub<2</sub< MoSe<sub<2</sub< photoelectrochemical deposition rapid-thermal annealing hydrogen evolution CO<sub<2</sub< reduction Chemical technology Chemistry Choong Kyun Rhee verfasserin aut Youngku Sohn verfasserin aut In Catalysts MDPI AG, 2012 9(2019), 6, p 494 (DE-627)71862646X (DE-600)2662126-5 20734344 nnns volume:9 year:2019 number:6, p 494 https://doi.org/10.3390/catal9060494 kostenfrei https://doaj.org/article/7b91c57c10fe402791e796fcf47d6b84 kostenfrei https://www.mdpi.com/2073-4344/9/6/494 kostenfrei https://doaj.org/toc/2073-4344 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 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_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 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_4338 GBV_ILN_4367 GBV_ILN_4700 AR 9 2019 6, p 494
allfieldsSound	10.3390/catal9060494 doi (DE-627)DOAJ017946034 (DE-599)DOAJ7b91c57c10fe402791e796fcf47d6b84 DE-627 ger DE-627 rakwb eng TP1-1185 QD1-999 Sungmin Hong verfasserin aut Photoelectrochemical Hydrogen Evolution and CO<sub<2</sub< Reduction over MoS<sub<2</sub</Si and MoSe<sub<2</sub</Si Nanostructures by Combined Photoelectrochemical Deposition and Rapid-Thermal Annealing Process 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Diverse methods have been employed to synthesize MoS<sub<2</sub< and MoSe<sub<2</sub< catalyst systems. Herein, a combined photoelectrochemical (PEC) deposition and rapid-thermal annealing process has first been employed to fabricate MoS<sub<2</sub< and MoSe<sub<2</sub< thin films on Si substrates. The newly developed transition-metal dichalcogenides were characterized by scanning electron microscopy, Raman spectroscopy and X-ray photoelectron spectroscopy. PEC hydrogen evolution reaction (HER) was demonstrated in an acidic condition to show a PEC catalytic performance order of MoO<sub<x</sub</Si < MoS<sub<2</sub</Si << MoSe<sub<2</sub</Si under the visible light-on condition. The HER activity (4.5 mA/cm<sup<2</sup< at −1.0 V vs Ag/AgCl) of MoSe<sub<2</sub</Si was increased by 4.8× compared with that under the dark condition. For CO<sub<2</sub< reduction, the PEC activity was observed to be in the order of MoS<sub<2</sub</Si < MoO<sub<x</sub</Si << MoSe<sub<2</sub</Si under the visible light-on condition. The reduction activity (0.127 mA/cm<sup<2</sup<) of MoSe<sub<2</sub</Si was increased by 9.3× compared with that under the dark condition. The combined electrochemical deposition and rapid-thermal annealing method could be a very useful method for fabricating a thin film state catalytic system perusing hydrogen production and CO<sub<2</sub< energy conversion. MoS<sub<2</sub< MoSe<sub<2</sub< photoelectrochemical deposition rapid-thermal annealing hydrogen evolution CO<sub<2</sub< reduction Chemical technology Chemistry Choong Kyun Rhee verfasserin aut Youngku Sohn verfasserin aut In Catalysts MDPI AG, 2012 9(2019), 6, p 494 (DE-627)71862646X (DE-600)2662126-5 20734344 nnns volume:9 year:2019 number:6, p 494 https://doi.org/10.3390/catal9060494 kostenfrei https://doaj.org/article/7b91c57c10fe402791e796fcf47d6b84 kostenfrei https://www.mdpi.com/2073-4344/9/6/494 kostenfrei https://doaj.org/toc/2073-4344 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 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_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 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_4338 GBV_ILN_4367 GBV_ILN_4700 AR 9 2019 6, p 494
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topic_facet	MoS<sub<2</sub< MoSe<sub<2</sub< photoelectrochemical deposition rapid-thermal annealing hydrogen evolution CO<sub<2</sub< reduction Chemical technology Chemistry
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authorswithroles_txt_mv	Sungmin Hong @@aut@@ Choong Kyun Rhee @@aut@@ Youngku Sohn @@aut@@
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callnumber-first	T - Technology
author	Sungmin Hong
spellingShingle	Sungmin Hong misc TP1-1185 misc QD1-999 misc MoS<sub<2</sub< misc MoSe<sub<2</sub< misc photoelectrochemical deposition misc rapid-thermal annealing misc hydrogen evolution misc CO<sub<2</sub< reduction misc Chemical technology misc Chemistry Photoelectrochemical Hydrogen Evolution and CO<sub<2</sub< Reduction over MoS<sub<2</sub</Si and MoSe<sub<2</sub</Si Nanostructures by Combined Photoelectrochemical Deposition and Rapid-Thermal Annealing Process
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topic_title	TP1-1185 QD1-999 Photoelectrochemical Hydrogen Evolution and CO<sub<2</sub< Reduction over MoS<sub<2</sub</Si and MoSe<sub<2</sub</Si Nanostructures by Combined Photoelectrochemical Deposition and Rapid-Thermal Annealing Process MoS<sub<2</sub< MoSe<sub<2</sub< photoelectrochemical deposition rapid-thermal annealing hydrogen evolution CO<sub<2</sub< reduction
topic	misc TP1-1185 misc QD1-999 misc MoS<sub<2</sub< misc MoSe<sub<2</sub< misc photoelectrochemical deposition misc rapid-thermal annealing misc hydrogen evolution misc CO<sub<2</sub< reduction misc Chemical technology misc Chemistry
topic_unstemmed	misc TP1-1185 misc QD1-999 misc MoS<sub<2</sub< misc MoSe<sub<2</sub< misc photoelectrochemical deposition misc rapid-thermal annealing misc hydrogen evolution misc CO<sub<2</sub< reduction misc Chemical technology misc Chemistry
topic_browse	misc TP1-1185 misc QD1-999 misc MoS<sub<2</sub< misc MoSe<sub<2</sub< misc photoelectrochemical deposition misc rapid-thermal annealing misc hydrogen evolution misc CO<sub<2</sub< reduction misc Chemical technology misc Chemistry
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title	Photoelectrochemical Hydrogen Evolution and CO<sub<2</sub< Reduction over MoS<sub<2</sub</Si and MoSe<sub<2</sub</Si Nanostructures by Combined Photoelectrochemical Deposition and Rapid-Thermal Annealing Process
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title_full	Photoelectrochemical Hydrogen Evolution and CO<sub<2</sub< Reduction over MoS<sub<2</sub</Si and MoSe<sub<2</sub</Si Nanostructures by Combined Photoelectrochemical Deposition and Rapid-Thermal Annealing Process
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author_browse	Sungmin Hong Choong Kyun Rhee Youngku Sohn
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author-letter	Sungmin Hong
doi_str_mv	10.3390/catal9060494
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title_sort	photoelectrochemical hydrogen evolution and co<sub<2</sub< reduction over mos<sub<2</sub</si and mose<sub<2</sub</si nanostructures by combined photoelectrochemical deposition and rapid-thermal annealing process
callnumber	TP1-1185
title_auth	Photoelectrochemical Hydrogen Evolution and CO<sub<2</sub< Reduction over MoS<sub<2</sub</Si and MoSe<sub<2</sub</Si Nanostructures by Combined Photoelectrochemical Deposition and Rapid-Thermal Annealing Process
abstract	Diverse methods have been employed to synthesize MoS<sub<2</sub< and MoSe<sub<2</sub< catalyst systems. Herein, a combined photoelectrochemical (PEC) deposition and rapid-thermal annealing process has first been employed to fabricate MoS<sub<2</sub< and MoSe<sub<2</sub< thin films on Si substrates. The newly developed transition-metal dichalcogenides were characterized by scanning electron microscopy, Raman spectroscopy and X-ray photoelectron spectroscopy. PEC hydrogen evolution reaction (HER) was demonstrated in an acidic condition to show a PEC catalytic performance order of MoO<sub<x</sub</Si < MoS<sub<2</sub</Si << MoSe<sub<2</sub</Si under the visible light-on condition. The HER activity (4.5 mA/cm<sup<2</sup< at −1.0 V vs Ag/AgCl) of MoSe<sub<2</sub</Si was increased by 4.8× compared with that under the dark condition. For CO<sub<2</sub< reduction, the PEC activity was observed to be in the order of MoS<sub<2</sub</Si < MoO<sub<x</sub</Si << MoSe<sub<2</sub</Si under the visible light-on condition. The reduction activity (0.127 mA/cm<sup<2</sup<) of MoSe<sub<2</sub</Si was increased by 9.3× compared with that under the dark condition. The combined electrochemical deposition and rapid-thermal annealing method could be a very useful method for fabricating a thin film state catalytic system perusing hydrogen production and CO<sub<2</sub< energy conversion.
abstractGer	Diverse methods have been employed to synthesize MoS<sub<2</sub< and MoSe<sub<2</sub< catalyst systems. Herein, a combined photoelectrochemical (PEC) deposition and rapid-thermal annealing process has first been employed to fabricate MoS<sub<2</sub< and MoSe<sub<2</sub< thin films on Si substrates. The newly developed transition-metal dichalcogenides were characterized by scanning electron microscopy, Raman spectroscopy and X-ray photoelectron spectroscopy. PEC hydrogen evolution reaction (HER) was demonstrated in an acidic condition to show a PEC catalytic performance order of MoO<sub<x</sub</Si < MoS<sub<2</sub</Si << MoSe<sub<2</sub</Si under the visible light-on condition. The HER activity (4.5 mA/cm<sup<2</sup< at −1.0 V vs Ag/AgCl) of MoSe<sub<2</sub</Si was increased by 4.8× compared with that under the dark condition. For CO<sub<2</sub< reduction, the PEC activity was observed to be in the order of MoS<sub<2</sub</Si < MoO<sub<x</sub</Si << MoSe<sub<2</sub</Si under the visible light-on condition. The reduction activity (0.127 mA/cm<sup<2</sup<) of MoSe<sub<2</sub</Si was increased by 9.3× compared with that under the dark condition. The combined electrochemical deposition and rapid-thermal annealing method could be a very useful method for fabricating a thin film state catalytic system perusing hydrogen production and CO<sub<2</sub< energy conversion.
abstract_unstemmed	Diverse methods have been employed to synthesize MoS<sub<2</sub< and MoSe<sub<2</sub< catalyst systems. Herein, a combined photoelectrochemical (PEC) deposition and rapid-thermal annealing process has first been employed to fabricate MoS<sub<2</sub< and MoSe<sub<2</sub< thin films on Si substrates. The newly developed transition-metal dichalcogenides were characterized by scanning electron microscopy, Raman spectroscopy and X-ray photoelectron spectroscopy. PEC hydrogen evolution reaction (HER) was demonstrated in an acidic condition to show a PEC catalytic performance order of MoO<sub<x</sub</Si < MoS<sub<2</sub</Si << MoSe<sub<2</sub</Si under the visible light-on condition. The HER activity (4.5 mA/cm<sup<2</sup< at −1.0 V vs Ag/AgCl) of MoSe<sub<2</sub</Si was increased by 4.8× compared with that under the dark condition. For CO<sub<2</sub< reduction, the PEC activity was observed to be in the order of MoS<sub<2</sub</Si < MoO<sub<x</sub</Si << MoSe<sub<2</sub</Si under the visible light-on condition. The reduction activity (0.127 mA/cm<sup<2</sup<) of MoSe<sub<2</sub</Si was increased by 9.3× compared with that under the dark condition. The combined electrochemical deposition and rapid-thermal annealing method could be a very useful method for fabricating a thin film state catalytic system perusing hydrogen production and CO<sub<2</sub< energy conversion.
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container_issue	6, p 494
title_short	Photoelectrochemical Hydrogen Evolution and CO<sub<2</sub< Reduction over MoS<sub<2</sub</Si and MoSe<sub<2</sub</Si Nanostructures by Combined Photoelectrochemical Deposition and Rapid-Thermal Annealing Process
url	https://doi.org/10.3390/catal9060494 https://doaj.org/article/7b91c57c10fe402791e796fcf47d6b84 https://www.mdpi.com/2073-4344/9/6/494 https://doaj.org/toc/2073-4344
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Photoelectrochemical Hydrogen Evolution and CO<sub<2</sub< Reduction over MoS<sub<2</sub</Si and MoSe<sub<2</sub</Si Nanostructures by Combined Photoelectrochemical Deposition and Rapid-Thermal Annealing Process

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