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Photocatalytic hydrogen evolution based on Cu2ZnSnS4, Cu2NiSnS4 and Cu2CoSnS4 nanocrystals

Paper ID Volume ID Publish Year Pages File Format Full-Text
44716 46344 2016 7 PDF Available
Title
Photocatalytic hydrogen evolution based on Cu2ZnSnS4, Cu2NiSnS4 and Cu2CoSnS4 nanocrystals
Abstract

•CMTS (M = Ni, Co, Zn) nanocrystals synthesized by hot-injection method.•CMTSs firstly investigated for the dye sensitized photocatalytic hydrogen evolution.•CNTS and CCTS nanocrystals serve as a highly efficient and stable catalysts.•CMTSs are as an alternative to noble metals (such as Pt) for hydrogen evolution.•CMTSs can be used in the fields of another energy conversion systems.

A low cost and environment-friendly Cu2ZnSnS4, Cu2CoSnS4 and Cu2NiSnS4 nanocrystals have been used as a catalyst instead of noble metal Pt for the photocatalytic hydrogen evolution in the presence of triethanolamine and eosin Y as a sacrificial reducing agent and a photosensitizer, respectively under visible light irradiation. Cu2NiSnS4 and Cu2CoSnS4 nanocrystals exhibit a longer photostability and a higher hydrogen evolution rate of 1200 μmolg−1 h−1, 900 μmolg−1 h−1, respectively, compared to that of Cu2ZnSnS4 by producing hydrogen 670 μmolg−1 h−1.

Graphical abstractCu2ZnSnS4, Cu2CoSnS4 and Cu2NiSnS4 nanocrystals have been used as a catalyst instead of noble metal Pt for the photocatalytic hydrogen evolution in the presence of eosin Y and triethanolamine as a photosensitizer and a sacrificial reducing agent, respectively under visible light irradiation.Figure optionsDownload full-size imageDownload as PowerPoint slide

Keywords
Nanocrystals; Hydrogen evolution; Cu2ZnSnS4; Cu2CoSnS4; Cu2NiSnS4
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Photocatalytic hydrogen evolution based on Cu2ZnSnS4, Cu2NiSnS4 and Cu2CoSnS4 nanocrystals
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis B: Environmental - Volume 198, 5 December 2016, Pages 67–73
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
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Price was $35.95
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Price after discount Only $4.95
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