Flexible cupric oxide photocathode with enhanced stability for renewable hydrogen energy production from solar water splitting.
Flexible cupric oxide photocathode with enhanced stability for renewable hydrogen energy production from solar water splitting.
复制标题
柔性氧化铜光电阴极具有增强的稳定性,可用于太阳能水分解生产可再生氢能
DOI:
10.1039/c9ra00865a
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发表时间:
2019-03-12
期刊:
影响因子:
3.9
通讯作者:
Luo, Kai
中科院分区:
文献类型:
--
作者:
Li, Yang;Luo, Kai
CuO is a promising but unstable photocathode in solar water splitting. Herein, a flexible CuO photocathode is prepared and its degradation mechanisms and stabilization strategies have been discussed. Briefly, we find alkali environment and low light intensity are the critical factors in the stabilization of the CuO photocathode. For practical usage, a composite semiconductor layer, composed of TiO2, La2O3 and NiO, is deposited on the CuO photocathode, which is proved to be effective for enhancing the stabilization of the CuO photocathode. 100% of the photocurrent density has been retained after 20 minutes of continuous illumination. The optimized stable photocurrent density is measured as 0.3 mA cm−2 at 0.5 VRHE.
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