Journal
NATURE COMMUNICATIONS
Volume 10, Issue -, Pages -Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/s41467-019-08358-z
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Funding
- National Basic Research Programs of China [2018YFA0306004, 2017YFA0303200]
- National Natural Science Foundation [21872071, 11674163, 11874204, 61574080, 61505085, 11404162]
- Natural Science Foundation of Jiangsu Province [BK20171332, BK20161117]
- Fundamental Research Funds for the Central Universities [0204-14380066, 0204-14380083]
- High Performance Computing Center of Nanjing University
- Postgraduate Research and Practice Innovation Program of Jiangsu Province [KYCX17_0036]
- High Performance Computing Center of Shenzhen
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The exploitation of the stable and earth-abundant electrocatalyst with high catalytic activity remains a significant challenge for hydrogen evolution reaction. Being different from complex nanostructuring, this work focuses on a simple and feasible way to improve hydrogen evolution reaction performance via manipulation of intrinsic physical properties of the material. Herein, we present an interesting semiconductor-metal transition in ultrathin troilite FeS nanosheets triggered by near infrared radiation at near room temperature for the first time. The photogenerated metal-phase FeS nanosheets demonstrate intrinsically high catalytic activity and fast carrier transfer for hydrogen evolution reaction, leading to an overpotential of 142 mV at 10 mA cm(-2) and a lower Tafel slope of 36.9 mV per decade. Our findings provide new inspirations for the steering of electron transfer and designing new-type catalysts.
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