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Updated: Apr 4, 2026

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Harvesting Solar Energy by Means of Charge-Separating Nanocrystals and Their Solids
Published on: August 23, 2012
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N-Doped nanodots/np(+)-Si photocathodes for efficient photoelectrochemical hydrogen generation
Deliang Chen1, Song Dai, Xiaodong Su
1College of Physics, Optoelectronics and Energy, Collaborative Innovation Center of Suzhou Nano Science and Technology, Photovoltaic Research Institute of Soochow University & Canadian Solar Inc., and Jiangsu Key Laboratory of Thin Films, Soochow University, Suzhou 215006, China. mrshen@suda.edu.cn.
Abstract:
Carbon nanodots treated with N2-plasma are effective catalysts for solar-driven hydrogen-evolved-reaction on np(+)-Si photocathodes and a support for Pt allowing for the reduction in Pt loading by a factor of about 3.5 while improving the photoelectrochemical activity.

