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A dendritic Sb2Se3/In2S3 heterojunction nanorod array photocathode decorated with a MoSx catalyst for efficient solar hydrogen evolution
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- Liu, Chang (author)
- Dalian Univ Technol, DUT KTH Joint Educ, State Key Lab Fine Chem, Inst Articial Photosynth, Dalian 116024, Peoples R China.
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- Liu, Tao (author)
- Hebei Univ, Coll Phys Sci & Technol, Natl Local Joint Engn Lab New Energy Photoelect D, Baoding 071002, Peoples R China.
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- Li, Yingzheng (author)
- Dalian Univ Technol, DUT KTH Joint Educ, State Key Lab Fine Chem, Inst Articial Photosynth, Dalian 116024, Peoples R China.
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- Yang, Hao (author)
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- Dalian Univ Technol, DUT KTH Joint Educ, State Key Lab Fine Chem, Inst Articial Photosynth, Dalian 116024, Peoples R China Hebei Univ, Coll Phys Sci & Technol, Natl Local Joint Engn Lab New Energy Photoelect D, Baoding 071002, Peoples R China. (creator_code:org_t)
- 2020
- 2020
- English.
- In: Journal of Materials Chemistry A. - : Royal Society of Chemistry (RSC). - 2050-7488 .- 2050-7496. ; 8:44, s. 23385-23394
- Journal article (peer-reviewed)
Abstract
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- Developing cost-effective photocathodes that show desirable performance for use in commercial photoelectrochemical water splitting devices remains a fundamental and practical challenge. Sb2Se3 semiconductors satisfy most of the demands expected for an ideal highly efficient photocathode, including favorable cost and optoelectronic properties. Herein, we have demonstrated outstanding photoelectrodes using a noble-metal-free catalyst, namely, a MoSx-decorated low-cost Sb2Se3/In2S3 heterojunction, as the photocathode. This enabled a maximum photocurrent density of up to -27 mA cm(-2) (0 V vs. RHE, 100 mW cm(-2), AM 1.5G filter) with a remarkable half solar-to-hydrogen conversion efficiency (STH) of 2.6%, obtained via decreasing charge recombination and accelerating charge transfer through morphological optimization of the In2S3 layer.
Subject headings
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
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- ref (subject category)
- art (subject category)
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- Liu, Chang
- Liu, Tao
- Li, Yingzheng
- Zhao, Ziqi
- Zhou, Dinghua
- Li, Wenlong
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- Zhao, Yilong
- Yang, Hao
- Sun, Licheng, 19 ...
- Li, Fusheng
- Li, Zhiqiang
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- Royal Institute of Technology
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