期刊
ENERGY & ENVIRONMENTAL SCIENCE
卷 6, 期 9, 页码 2706-2713出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3ee41321g
关键词
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资金
- CEA
- French National Research Agency
- European Research Council under the European Union's Seventh Framework Programme [306398]
An organic solar cell based on a poly-3-hexylthiophene (P3HT): phenyl-C-61-butyric acid (PCBM) bulk heterojunction was directly coupled to molybdenum sulfide resulting in the design of a new type of photocathode for the production of hydrogen. Both the light-harvesting system and the catalyst were deposited by low-cost solution-processed methods, i.e. spin coating and spray coating respectively. Spray-coated MoS3 films are catalytically active in strongly acidic aqueous solutions with the best efficiencies for thicknesses of 40 to 90 nm. The photocathodes display photocurrents higher than reference samples, without a catalyst or without coupling with a solar cell. Gas chromatography analysis confirms the light-induced hydrogen evolution. The addition of titanium dioxide in the MoS3 film enhances electron transport and collection within thick films and therefore the performance of the photocathode.
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