In Situ Photodeposition of Cobalt Phosphate (CoH<sub<x</sub<PO<sub<y</sub<) on CdIn<sub<2</sub<S<sub<4</sub< Photocatalyst for Accelerated Hole Extraction and Improved Hydrogen Evolution

The ternary metal sulfide CdIn<sub<2</sub<S<sub<4</sub< (CIS) has great application potential in solar-to-hydrogen conversion due to its suitable band gap, good stability and low cost. However, the photocatalytic hydrogen (H<sub<2</sub<) evolution performance of C...
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Autor*in:	Jiachen Xu [verfasserIn] Qinran Li [verfasserIn] Dejian Sui [verfasserIn] Wei Jiang [verfasserIn] Fengqi Liu [verfasserIn] Xiuquan Gu [verfasserIn] Yulong Zhao [verfasserIn] Pengzhan Ying [verfasserIn] Liang Mao [verfasserIn] Xiaoyan Cai [verfasserIn] Junying Zhang [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2023

Schlagwörter:	photocatalysis hydrogen evolution hole transfer charge separation

Übergeordnetes Werk:	In: Nanomaterials - MDPI AG, 2012, 13(2023), 3, p 420
Übergeordnetes Werk:	volume:13 ; year:2023 ; number:3, p 420

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.3390/nano13030420

Katalog-ID:	DOAJ080610781

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245	1	0	\|a In Situ Photodeposition of Cobalt Phosphate (CoH<sub<x</sub<PO<sub<y</sub<) on CdIn<sub<2</sub<S<sub<4</sub< Photocatalyst for Accelerated Hole Extraction and Improved Hydrogen Evolution
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520			\|a The ternary metal sulfide CdIn<sub<2</sub<S<sub<4</sub< (CIS) has great application potential in solar-to-hydrogen conversion due to its suitable band gap, good stability and low cost. However, the photocatalytic hydrogen (H<sub<2</sub<) evolution performance of CIS is severely limited by the rapid electron–hole recombination originating from the slow photogenerated hole transfer kinetics. Herein, by simply depositing cobalt phosphate (CoH<sub<x</sub<PO<sub<y</sub<, noted as Co-Pi), a non-precious co-catalyst, an efficient pathway for accelerating the hole transfer process and subsequently promoting the H<sub<2</sub< evolution reaction (HER) activity of CIS nanosheets is developed. X-ray photoelectron spectroscopy (XPS) reveals that the Co atoms of Co-Pi preferentially combine with the unsaturated S atoms of CIS to form Co-S bonds, which act as channels for fast hole extraction from CIS to Co-Pi. Electron paramagnetic resonance (EPR) and time-resolved photoluminescence (TRPL) showed that the introduction of Co-Pi on ultrathin CIS surface not only increases the probability of photogenerated holes arriving the catalyst surface, but also prolongs the charge carrier’s lifetime by reducing the recombination of electrons and holes. Therefore, Co-Pi/CIS exhibits a satisfactory photocatalytic H<sub<2</sub< evolution rate of 7.28 mmol g<sup<−1</sup< h<sup<−1</sup< under visible light, which is superior to the pristine CIS (2.62 mmol g<sup<−1</sup< h<sup<−1</sup<) and Pt modified CIS (3.73 mmol g<sup<−1</sup< h<sup<−1</sup<).
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allfields	10.3390/nano13030420 doi (DE-627)DOAJ080610781 (DE-599)DOAJ1a5075dae01d4b26b5bf688b500ebc72 DE-627 ger DE-627 rakwb eng QD1-999 Jiachen Xu verfasserin aut In Situ Photodeposition of Cobalt Phosphate (CoH<sub<x</sub<PO<sub<y</sub<) on CdIn<sub<2</sub<S<sub<4</sub< Photocatalyst for Accelerated Hole Extraction and Improved Hydrogen Evolution 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The ternary metal sulfide CdIn<sub<2</sub<S<sub<4</sub< (CIS) has great application potential in solar-to-hydrogen conversion due to its suitable band gap, good stability and low cost. However, the photocatalytic hydrogen (H<sub<2</sub<) evolution performance of CIS is severely limited by the rapid electron–hole recombination originating from the slow photogenerated hole transfer kinetics. Herein, by simply depositing cobalt phosphate (CoH<sub<x</sub<PO<sub<y</sub<, noted as Co-Pi), a non-precious co-catalyst, an efficient pathway for accelerating the hole transfer process and subsequently promoting the H<sub<2</sub< evolution reaction (HER) activity of CIS nanosheets is developed. X-ray photoelectron spectroscopy (XPS) reveals that the Co atoms of Co-Pi preferentially combine with the unsaturated S atoms of CIS to form Co-S bonds, which act as channels for fast hole extraction from CIS to Co-Pi. Electron paramagnetic resonance (EPR) and time-resolved photoluminescence (TRPL) showed that the introduction of Co-Pi on ultrathin CIS surface not only increases the probability of photogenerated holes arriving the catalyst surface, but also prolongs the charge carrier’s lifetime by reducing the recombination of electrons and holes. Therefore, Co-Pi/CIS exhibits a satisfactory photocatalytic H<sub<2</sub< evolution rate of 7.28 mmol g<sup<−1</sup< h<sup<−1</sup< under visible light, which is superior to the pristine CIS (2.62 mmol g<sup<−1</sup< h<sup<−1</sup<) and Pt modified CIS (3.73 mmol g<sup<−1</sup< h<sup<−1</sup<). photocatalysis hydrogen evolution hole transfer charge separation Chemistry Qinran Li verfasserin aut Dejian Sui verfasserin aut Wei Jiang verfasserin aut Fengqi Liu verfasserin aut Xiuquan Gu verfasserin aut Yulong Zhao verfasserin aut Pengzhan Ying verfasserin aut Liang Mao verfasserin aut Xiaoyan Cai verfasserin aut Junying Zhang verfasserin aut In Nanomaterials MDPI AG, 2012 13(2023), 3, p 420 (DE-627)718627199 (DE-600)2662255-5 20794991 nnns volume:13 year:2023 number:3, p 420 https://doi.org/10.3390/nano13030420 kostenfrei https://doaj.org/article/1a5075dae01d4b26b5bf688b500ebc72 kostenfrei https://www.mdpi.com/2079-4991/13/3/420 kostenfrei https://doaj.org/toc/2079-4991 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ 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_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2108 GBV_ILN_2119 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 13 2023 3, p 420
spelling	10.3390/nano13030420 doi (DE-627)DOAJ080610781 (DE-599)DOAJ1a5075dae01d4b26b5bf688b500ebc72 DE-627 ger DE-627 rakwb eng QD1-999 Jiachen Xu verfasserin aut In Situ Photodeposition of Cobalt Phosphate (CoH<sub<x</sub<PO<sub<y</sub<) on CdIn<sub<2</sub<S<sub<4</sub< Photocatalyst for Accelerated Hole Extraction and Improved Hydrogen Evolution 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The ternary metal sulfide CdIn<sub<2</sub<S<sub<4</sub< (CIS) has great application potential in solar-to-hydrogen conversion due to its suitable band gap, good stability and low cost. However, the photocatalytic hydrogen (H<sub<2</sub<) evolution performance of CIS is severely limited by the rapid electron–hole recombination originating from the slow photogenerated hole transfer kinetics. Herein, by simply depositing cobalt phosphate (CoH<sub<x</sub<PO<sub<y</sub<, noted as Co-Pi), a non-precious co-catalyst, an efficient pathway for accelerating the hole transfer process and subsequently promoting the H<sub<2</sub< evolution reaction (HER) activity of CIS nanosheets is developed. X-ray photoelectron spectroscopy (XPS) reveals that the Co atoms of Co-Pi preferentially combine with the unsaturated S atoms of CIS to form Co-S bonds, which act as channels for fast hole extraction from CIS to Co-Pi. Electron paramagnetic resonance (EPR) and time-resolved photoluminescence (TRPL) showed that the introduction of Co-Pi on ultrathin CIS surface not only increases the probability of photogenerated holes arriving the catalyst surface, but also prolongs the charge carrier’s lifetime by reducing the recombination of electrons and holes. Therefore, Co-Pi/CIS exhibits a satisfactory photocatalytic H<sub<2</sub< evolution rate of 7.28 mmol g<sup<−1</sup< h<sup<−1</sup< under visible light, which is superior to the pristine CIS (2.62 mmol g<sup<−1</sup< h<sup<−1</sup<) and Pt modified CIS (3.73 mmol g<sup<−1</sup< h<sup<−1</sup<). photocatalysis hydrogen evolution hole transfer charge separation Chemistry Qinran Li verfasserin aut Dejian Sui verfasserin aut Wei Jiang verfasserin aut Fengqi Liu verfasserin aut Xiuquan Gu verfasserin aut Yulong Zhao verfasserin aut Pengzhan Ying verfasserin aut Liang Mao verfasserin aut Xiaoyan Cai verfasserin aut Junying Zhang verfasserin aut In Nanomaterials MDPI AG, 2012 13(2023), 3, p 420 (DE-627)718627199 (DE-600)2662255-5 20794991 nnns volume:13 year:2023 number:3, p 420 https://doi.org/10.3390/nano13030420 kostenfrei https://doaj.org/article/1a5075dae01d4b26b5bf688b500ebc72 kostenfrei https://www.mdpi.com/2079-4991/13/3/420 kostenfrei https://doaj.org/toc/2079-4991 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ 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_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2108 GBV_ILN_2119 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 13 2023 3, p 420
allfields_unstemmed	10.3390/nano13030420 doi (DE-627)DOAJ080610781 (DE-599)DOAJ1a5075dae01d4b26b5bf688b500ebc72 DE-627 ger DE-627 rakwb eng QD1-999 Jiachen Xu verfasserin aut In Situ Photodeposition of Cobalt Phosphate (CoH<sub<x</sub<PO<sub<y</sub<) on CdIn<sub<2</sub<S<sub<4</sub< Photocatalyst for Accelerated Hole Extraction and Improved Hydrogen Evolution 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The ternary metal sulfide CdIn<sub<2</sub<S<sub<4</sub< (CIS) has great application potential in solar-to-hydrogen conversion due to its suitable band gap, good stability and low cost. However, the photocatalytic hydrogen (H<sub<2</sub<) evolution performance of CIS is severely limited by the rapid electron–hole recombination originating from the slow photogenerated hole transfer kinetics. Herein, by simply depositing cobalt phosphate (CoH<sub<x</sub<PO<sub<y</sub<, noted as Co-Pi), a non-precious co-catalyst, an efficient pathway for accelerating the hole transfer process and subsequently promoting the H<sub<2</sub< evolution reaction (HER) activity of CIS nanosheets is developed. X-ray photoelectron spectroscopy (XPS) reveals that the Co atoms of Co-Pi preferentially combine with the unsaturated S atoms of CIS to form Co-S bonds, which act as channels for fast hole extraction from CIS to Co-Pi. Electron paramagnetic resonance (EPR) and time-resolved photoluminescence (TRPL) showed that the introduction of Co-Pi on ultrathin CIS surface not only increases the probability of photogenerated holes arriving the catalyst surface, but also prolongs the charge carrier’s lifetime by reducing the recombination of electrons and holes. Therefore, Co-Pi/CIS exhibits a satisfactory photocatalytic H<sub<2</sub< evolution rate of 7.28 mmol g<sup<−1</sup< h<sup<−1</sup< under visible light, which is superior to the pristine CIS (2.62 mmol g<sup<−1</sup< h<sup<−1</sup<) and Pt modified CIS (3.73 mmol g<sup<−1</sup< h<sup<−1</sup<). photocatalysis hydrogen evolution hole transfer charge separation Chemistry Qinran Li verfasserin aut Dejian Sui verfasserin aut Wei Jiang verfasserin aut Fengqi Liu verfasserin aut Xiuquan Gu verfasserin aut Yulong Zhao verfasserin aut Pengzhan Ying verfasserin aut Liang Mao verfasserin aut Xiaoyan Cai verfasserin aut Junying Zhang verfasserin aut In Nanomaterials MDPI AG, 2012 13(2023), 3, p 420 (DE-627)718627199 (DE-600)2662255-5 20794991 nnns volume:13 year:2023 number:3, p 420 https://doi.org/10.3390/nano13030420 kostenfrei https://doaj.org/article/1a5075dae01d4b26b5bf688b500ebc72 kostenfrei https://www.mdpi.com/2079-4991/13/3/420 kostenfrei https://doaj.org/toc/2079-4991 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ 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_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2108 GBV_ILN_2119 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 13 2023 3, p 420
allfieldsGer	10.3390/nano13030420 doi (DE-627)DOAJ080610781 (DE-599)DOAJ1a5075dae01d4b26b5bf688b500ebc72 DE-627 ger DE-627 rakwb eng QD1-999 Jiachen Xu verfasserin aut In Situ Photodeposition of Cobalt Phosphate (CoH<sub<x</sub<PO<sub<y</sub<) on CdIn<sub<2</sub<S<sub<4</sub< Photocatalyst for Accelerated Hole Extraction and Improved Hydrogen Evolution 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The ternary metal sulfide CdIn<sub<2</sub<S<sub<4</sub< (CIS) has great application potential in solar-to-hydrogen conversion due to its suitable band gap, good stability and low cost. However, the photocatalytic hydrogen (H<sub<2</sub<) evolution performance of CIS is severely limited by the rapid electron–hole recombination originating from the slow photogenerated hole transfer kinetics. Herein, by simply depositing cobalt phosphate (CoH<sub<x</sub<PO<sub<y</sub<, noted as Co-Pi), a non-precious co-catalyst, an efficient pathway for accelerating the hole transfer process and subsequently promoting the H<sub<2</sub< evolution reaction (HER) activity of CIS nanosheets is developed. X-ray photoelectron spectroscopy (XPS) reveals that the Co atoms of Co-Pi preferentially combine with the unsaturated S atoms of CIS to form Co-S bonds, which act as channels for fast hole extraction from CIS to Co-Pi. Electron paramagnetic resonance (EPR) and time-resolved photoluminescence (TRPL) showed that the introduction of Co-Pi on ultrathin CIS surface not only increases the probability of photogenerated holes arriving the catalyst surface, but also prolongs the charge carrier’s lifetime by reducing the recombination of electrons and holes. Therefore, Co-Pi/CIS exhibits a satisfactory photocatalytic H<sub<2</sub< evolution rate of 7.28 mmol g<sup<−1</sup< h<sup<−1</sup< under visible light, which is superior to the pristine CIS (2.62 mmol g<sup<−1</sup< h<sup<−1</sup<) and Pt modified CIS (3.73 mmol g<sup<−1</sup< h<sup<−1</sup<). photocatalysis hydrogen evolution hole transfer charge separation Chemistry Qinran Li verfasserin aut Dejian Sui verfasserin aut Wei Jiang verfasserin aut Fengqi Liu verfasserin aut Xiuquan Gu verfasserin aut Yulong Zhao verfasserin aut Pengzhan Ying verfasserin aut Liang Mao verfasserin aut Xiaoyan Cai verfasserin aut Junying Zhang verfasserin aut In Nanomaterials MDPI AG, 2012 13(2023), 3, p 420 (DE-627)718627199 (DE-600)2662255-5 20794991 nnns volume:13 year:2023 number:3, p 420 https://doi.org/10.3390/nano13030420 kostenfrei https://doaj.org/article/1a5075dae01d4b26b5bf688b500ebc72 kostenfrei https://www.mdpi.com/2079-4991/13/3/420 kostenfrei https://doaj.org/toc/2079-4991 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ 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_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2108 GBV_ILN_2119 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 13 2023 3, p 420
allfieldsSound	10.3390/nano13030420 doi (DE-627)DOAJ080610781 (DE-599)DOAJ1a5075dae01d4b26b5bf688b500ebc72 DE-627 ger DE-627 rakwb eng QD1-999 Jiachen Xu verfasserin aut In Situ Photodeposition of Cobalt Phosphate (CoH<sub<x</sub<PO<sub<y</sub<) on CdIn<sub<2</sub<S<sub<4</sub< Photocatalyst for Accelerated Hole Extraction and Improved Hydrogen Evolution 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The ternary metal sulfide CdIn<sub<2</sub<S<sub<4</sub< (CIS) has great application potential in solar-to-hydrogen conversion due to its suitable band gap, good stability and low cost. However, the photocatalytic hydrogen (H<sub<2</sub<) evolution performance of CIS is severely limited by the rapid electron–hole recombination originating from the slow photogenerated hole transfer kinetics. Herein, by simply depositing cobalt phosphate (CoH<sub<x</sub<PO<sub<y</sub<, noted as Co-Pi), a non-precious co-catalyst, an efficient pathway for accelerating the hole transfer process and subsequently promoting the H<sub<2</sub< evolution reaction (HER) activity of CIS nanosheets is developed. X-ray photoelectron spectroscopy (XPS) reveals that the Co atoms of Co-Pi preferentially combine with the unsaturated S atoms of CIS to form Co-S bonds, which act as channels for fast hole extraction from CIS to Co-Pi. Electron paramagnetic resonance (EPR) and time-resolved photoluminescence (TRPL) showed that the introduction of Co-Pi on ultrathin CIS surface not only increases the probability of photogenerated holes arriving the catalyst surface, but also prolongs the charge carrier’s lifetime by reducing the recombination of electrons and holes. Therefore, Co-Pi/CIS exhibits a satisfactory photocatalytic H<sub<2</sub< evolution rate of 7.28 mmol g<sup<−1</sup< h<sup<−1</sup< under visible light, which is superior to the pristine CIS (2.62 mmol g<sup<−1</sup< h<sup<−1</sup<) and Pt modified CIS (3.73 mmol g<sup<−1</sup< h<sup<−1</sup<). photocatalysis hydrogen evolution hole transfer charge separation Chemistry Qinran Li verfasserin aut Dejian Sui verfasserin aut Wei Jiang verfasserin aut Fengqi Liu verfasserin aut Xiuquan Gu verfasserin aut Yulong Zhao verfasserin aut Pengzhan Ying verfasserin aut Liang Mao verfasserin aut Xiaoyan Cai verfasserin aut Junying Zhang verfasserin aut In Nanomaterials MDPI AG, 2012 13(2023), 3, p 420 (DE-627)718627199 (DE-600)2662255-5 20794991 nnns volume:13 year:2023 number:3, p 420 https://doi.org/10.3390/nano13030420 kostenfrei https://doaj.org/article/1a5075dae01d4b26b5bf688b500ebc72 kostenfrei https://www.mdpi.com/2079-4991/13/3/420 kostenfrei https://doaj.org/toc/2079-4991 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ 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_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2108 GBV_ILN_2119 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 13 2023 3, p 420
language	English
source	In Nanomaterials 13(2023), 3, p 420 volume:13 year:2023 number:3, p 420
sourceStr	In Nanomaterials 13(2023), 3, p 420 volume:13 year:2023 number:3, p 420
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	photocatalysis hydrogen evolution hole transfer charge separation Chemistry
isfreeaccess_bool	true
container_title	Nanomaterials
authorswithroles_txt_mv	Jiachen Xu @@aut@@ Qinran Li @@aut@@ Dejian Sui @@aut@@ Wei Jiang @@aut@@ Fengqi Liu @@aut@@ Xiuquan Gu @@aut@@ Yulong Zhao @@aut@@ Pengzhan Ying @@aut@@ Liang Mao @@aut@@ Xiaoyan Cai @@aut@@ Junying Zhang @@aut@@
publishDateDaySort_date	2023-01-01T00:00:00Z
hierarchy_top_id	718627199
id	DOAJ080610781
language_de	englisch
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callnumber-first	Q - Science
author	Jiachen Xu
spellingShingle	Jiachen Xu misc QD1-999 misc photocatalysis misc hydrogen evolution misc hole transfer misc charge separation misc Chemistry In Situ Photodeposition of Cobalt Phosphate (CoH<sub<x</sub<PO<sub<y</sub<) on CdIn<sub<2</sub<S<sub<4</sub< Photocatalyst for Accelerated Hole Extraction and Improved Hydrogen Evolution
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topic_title	QD1-999 In Situ Photodeposition of Cobalt Phosphate (CoH<sub<x</sub<PO<sub<y</sub<) on CdIn<sub<2</sub<S<sub<4</sub< Photocatalyst for Accelerated Hole Extraction and Improved Hydrogen Evolution photocatalysis hydrogen evolution hole transfer charge separation
topic	misc QD1-999 misc photocatalysis misc hydrogen evolution misc hole transfer misc charge separation misc Chemistry
topic_unstemmed	misc QD1-999 misc photocatalysis misc hydrogen evolution misc hole transfer misc charge separation misc Chemistry
topic_browse	misc QD1-999 misc photocatalysis misc hydrogen evolution misc hole transfer misc charge separation misc Chemistry
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title	In Situ Photodeposition of Cobalt Phosphate (CoH<sub<x</sub<PO<sub<y</sub<) on CdIn<sub<2</sub<S<sub<4</sub< Photocatalyst for Accelerated Hole Extraction and Improved Hydrogen Evolution
ctrlnum	(DE-627)DOAJ080610781 (DE-599)DOAJ1a5075dae01d4b26b5bf688b500ebc72
title_full	In Situ Photodeposition of Cobalt Phosphate (CoH<sub<x</sub<PO<sub<y</sub<) on CdIn<sub<2</sub<S<sub<4</sub< Photocatalyst for Accelerated Hole Extraction and Improved Hydrogen Evolution
author_sort	Jiachen Xu
journal	Nanomaterials
journalStr	Nanomaterials
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lang_code	eng
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publishDateSort	2023
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author_browse	Jiachen Xu Qinran Li Dejian Sui Wei Jiang Fengqi Liu Xiuquan Gu Yulong Zhao Pengzhan Ying Liang Mao Xiaoyan Cai Junying Zhang
container_volume	13
class	QD1-999
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author-letter	Jiachen Xu
doi_str_mv	10.3390/nano13030420
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title_sort	in situ photodeposition of cobalt phosphate (coh<sub<x</sub<po<sub<y</sub<) on cdin<sub<2</sub<s<sub<4</sub< photocatalyst for accelerated hole extraction and improved hydrogen evolution
callnumber	QD1-999
title_auth	In Situ Photodeposition of Cobalt Phosphate (CoH<sub<x</sub<PO<sub<y</sub<) on CdIn<sub<2</sub<S<sub<4</sub< Photocatalyst for Accelerated Hole Extraction and Improved Hydrogen Evolution
abstract	The ternary metal sulfide CdIn<sub<2</sub<S<sub<4</sub< (CIS) has great application potential in solar-to-hydrogen conversion due to its suitable band gap, good stability and low cost. However, the photocatalytic hydrogen (H<sub<2</sub<) evolution performance of CIS is severely limited by the rapid electron–hole recombination originating from the slow photogenerated hole transfer kinetics. Herein, by simply depositing cobalt phosphate (CoH<sub<x</sub<PO<sub<y</sub<, noted as Co-Pi), a non-precious co-catalyst, an efficient pathway for accelerating the hole transfer process and subsequently promoting the H<sub<2</sub< evolution reaction (HER) activity of CIS nanosheets is developed. X-ray photoelectron spectroscopy (XPS) reveals that the Co atoms of Co-Pi preferentially combine with the unsaturated S atoms of CIS to form Co-S bonds, which act as channels for fast hole extraction from CIS to Co-Pi. Electron paramagnetic resonance (EPR) and time-resolved photoluminescence (TRPL) showed that the introduction of Co-Pi on ultrathin CIS surface not only increases the probability of photogenerated holes arriving the catalyst surface, but also prolongs the charge carrier’s lifetime by reducing the recombination of electrons and holes. Therefore, Co-Pi/CIS exhibits a satisfactory photocatalytic H<sub<2</sub< evolution rate of 7.28 mmol g<sup<−1</sup< h<sup<−1</sup< under visible light, which is superior to the pristine CIS (2.62 mmol g<sup<−1</sup< h<sup<−1</sup<) and Pt modified CIS (3.73 mmol g<sup<−1</sup< h<sup<−1</sup<).
abstractGer	The ternary metal sulfide CdIn<sub<2</sub<S<sub<4</sub< (CIS) has great application potential in solar-to-hydrogen conversion due to its suitable band gap, good stability and low cost. However, the photocatalytic hydrogen (H<sub<2</sub<) evolution performance of CIS is severely limited by the rapid electron–hole recombination originating from the slow photogenerated hole transfer kinetics. Herein, by simply depositing cobalt phosphate (CoH<sub<x</sub<PO<sub<y</sub<, noted as Co-Pi), a non-precious co-catalyst, an efficient pathway for accelerating the hole transfer process and subsequently promoting the H<sub<2</sub< evolution reaction (HER) activity of CIS nanosheets is developed. X-ray photoelectron spectroscopy (XPS) reveals that the Co atoms of Co-Pi preferentially combine with the unsaturated S atoms of CIS to form Co-S bonds, which act as channels for fast hole extraction from CIS to Co-Pi. Electron paramagnetic resonance (EPR) and time-resolved photoluminescence (TRPL) showed that the introduction of Co-Pi on ultrathin CIS surface not only increases the probability of photogenerated holes arriving the catalyst surface, but also prolongs the charge carrier’s lifetime by reducing the recombination of electrons and holes. Therefore, Co-Pi/CIS exhibits a satisfactory photocatalytic H<sub<2</sub< evolution rate of 7.28 mmol g<sup<−1</sup< h<sup<−1</sup< under visible light, which is superior to the pristine CIS (2.62 mmol g<sup<−1</sup< h<sup<−1</sup<) and Pt modified CIS (3.73 mmol g<sup<−1</sup< h<sup<−1</sup<).
abstract_unstemmed	The ternary metal sulfide CdIn<sub<2</sub<S<sub<4</sub< (CIS) has great application potential in solar-to-hydrogen conversion due to its suitable band gap, good stability and low cost. However, the photocatalytic hydrogen (H<sub<2</sub<) evolution performance of CIS is severely limited by the rapid electron–hole recombination originating from the slow photogenerated hole transfer kinetics. Herein, by simply depositing cobalt phosphate (CoH<sub<x</sub<PO<sub<y</sub<, noted as Co-Pi), a non-precious co-catalyst, an efficient pathway for accelerating the hole transfer process and subsequently promoting the H<sub<2</sub< evolution reaction (HER) activity of CIS nanosheets is developed. X-ray photoelectron spectroscopy (XPS) reveals that the Co atoms of Co-Pi preferentially combine with the unsaturated S atoms of CIS to form Co-S bonds, which act as channels for fast hole extraction from CIS to Co-Pi. Electron paramagnetic resonance (EPR) and time-resolved photoluminescence (TRPL) showed that the introduction of Co-Pi on ultrathin CIS surface not only increases the probability of photogenerated holes arriving the catalyst surface, but also prolongs the charge carrier’s lifetime by reducing the recombination of electrons and holes. Therefore, Co-Pi/CIS exhibits a satisfactory photocatalytic H<sub<2</sub< evolution rate of 7.28 mmol g<sup<−1</sup< h<sup<−1</sup< under visible light, which is superior to the pristine CIS (2.62 mmol g<sup<−1</sup< h<sup<−1</sup<) and Pt modified CIS (3.73 mmol g<sup<−1</sup< h<sup<−1</sup<).
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container_issue	3, p 420
title_short	In Situ Photodeposition of Cobalt Phosphate (CoH<sub<x</sub<PO<sub<y</sub<) on CdIn<sub<2</sub<S<sub<4</sub< Photocatalyst for Accelerated Hole Extraction and Improved Hydrogen Evolution
url	https://doi.org/10.3390/nano13030420 https://doaj.org/article/1a5075dae01d4b26b5bf688b500ebc72 https://www.mdpi.com/2079-4991/13/3/420 https://doaj.org/toc/2079-4991
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author2	Qinran Li Dejian Sui Wei Jiang Fengqi Liu Xiuquan Gu Yulong Zhao Pengzhan Ying Liang Mao Xiaoyan Cai Junying Zhang
author2Str	Qinran Li Dejian Sui Wei Jiang Fengqi Liu Xiuquan Gu Yulong Zhao Pengzhan Ying Liang Mao Xiaoyan Cai Junying Zhang
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doi_str	10.3390/nano13030420
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up_date	2024-07-03T15:35:25.259Z
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In Situ Photodeposition of Cobalt Phosphate (CoH<sub<x</sub<PO<sub<y</sub<) on CdIn<sub<2</sub<S<sub<4</sub< Photocatalyst for Accelerated Hole Extraction and Improved Hydrogen Evolution

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