总体上模拟太阳光下串联电池的光电化学水分解。
Overall Photoelectrochemical Water Splitting using Tandem Cell under Simulated Sunlight.
机构信息
School of Environmental Science&Engineering, Pohang University of Science and Technology (POSTECH), Pohang, 790-784, South Korea.
Department of Chemical System Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan.
出版信息
ChemSusChem. 2016 Jan 8;9(1):61-6. doi: 10.1002/cssc.201501401. Epub 2015 Dec 15.
A stand-alone photoelectrochemical (PEC) water-splitting system driven only by sunlight was demonstrated with a tandem-scheme of Pt/CdS/CuGa3 Se5 /(Ag,Cu)GaSe2 photocathode and NiOOH/FeOOH/Mo:BiVO4 photoanode in a neutral phosphate buffer solution as an electrolyte. The as-prepared semi-transparent Mo:BiVO4 layer allows sunlight to pass through the top photoanode and reach the bottom photocathode. Consequently, the tandem cell showed stoichiometric hydrogen and oxygen evolution with a solar-to-hydrogen (STH) conversion efficiency of 0.67 % over 2 h without degradation. The stability and STH efficiency are the highest among similar configuration of PEC tandem cells.
一种独立的光电化学（PEC）水分解系统仅由阳光驱动，其采用 Pt/CdS/CuGa3Se5 /(Ag,Cu)GaSe2 光电阴极和 NiOOH/FeOOH/Mo:BiVO4 光阴极的串联方案在中性磷酸盐缓冲溶液中作为电解质来实现。所制备的半透明 Mo:BiVO4 层允许阳光透过顶部光阴极到达底部光电阴极。因此，串联电池在 2 小时内表现出化学计量的氢气和氧气的产生，并且没有降解，其太阳能到氢气（STH）的转换效率为 0.67%。在类似配置的 PEC 串联电池中，该系统具有最高的稳定性和 STH 效率。
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