Fabrication of WO3 photoanode on crystalline Si solar cell for water splitting

Fabrication of WO3 photoanode on crystalline Si solar cell for water splitting
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晶体硅太阳能电池上WO3光阳极的制备用于水分解

DOI:
10.1007/s10854-020-03968-6
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发表时间:
2020-07
期刊:
Journal of Materials Science: Materials in Electronics
影响因子:
--
通讯作者:
Zhu Liu
Zhu Liu
中科院分区:
其他
文献类型:
--
作者:
Yuanfei Feng;Linlin Guan;Junjie Li;Xuan Li;Shuyu Zhang;Yangjing Jiao;Shuangshuang Zhang;Yuting Lin;Yang Ren;Xiaowei Zhou;Zhu Liu

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采用太阳能电池与氧化物半导体集成器件(p-Si fronted solar cell/CoSi_2/WO_3)作为光阳极进行了水的裂解研究。通过在p-Si正面太阳能电池上共电沉积CoW,然后进行退火和酸处理,制备了WO 3。XRD和SEM分析表明,沉积态和处理后的样品均为非晶态结构。XPS和椭偏仪测试表明,CoSi 2和WO 3的带隙分别为1.32 eV和2.67 eV。在没有额外功率的情况下,我们已经证明p-Si正面太阳能电池/CoSi 2/WO 3可以实现约0.046 mA/cm 2的光电流。
An integrated device of solar cell and photocatalysis (p-Si fronted solar cell/ CoSi2/WO3) has been used as photoanode for water splitting. The WO3 had been synthesized by co-electrodeposition of CoW on the p-Si fronted solar cell and followed by the annealing and acid treatment. The XRD and SEM show the amorphous structure for both as-depostion and after treatment samples. After the treatment, XPS and the ellipsometer spectroscopy shows that the CoSi2 and WO3 was formed with the band gap of 1.32 eV and 2.67 eV, respectively. Without additional power, we had demonstrated that the p-Si fronted solar cell/CoSi2/WO3 can achieve ~ 0.046 mA/cm2 photocurrent.
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