Journal
NANO ENERGY
Volume 2, Issue 6, Pages 1337-1346Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.nanoen.2013.06.016
Keywords
Silicon nanowires; Molybdenum sulfide; Hydrogen production
Categories
Funding
- National Natural Science Foundation of China [61006049, 61274105, 50925207]
- Ministry of Science and Technology of China [2009DFA50620, 2011DFG52970]
- Ministry of Education of China [IRT1064]
- Jiangsu Innovation Research Team, the Education Department of Jiangsu [10KJB430004]
- Jiangsu University [09JDG043]
- Jiangsu University (Outstanding Youth Project)
- Shanghai Municipal Education Commission [06ZZ31]
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The composite of silicon nanowires (SiNWs) and MoS3 (SiNWs@MoS3) was fabricated by a convenient method. In comparison with SiNWs, SiNWs MoS3 exhibits remarkably enhanced photocurrent during photoelectrochemical hydrogen production. The photoelectrochemical performance of SiNWs MoS3 is comparable to that of the composite of SiNWs and Pt nanoparticles (SiNWs@PtNPs). Electrochemical impedance spectroscopy experiments suggest that the enhanced performance of SiNWs MoS3 can be attributed to small charge transfer resistance (i.e. fast H+ reduction kinetics) at SiNWs MoS3/electrolyte interface, and the large electrochemically active surface area of SiNWs MoS3. (C) 2013 Elsevier Ltd. All rights reserved.
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