Self-powered light-induced plating of metals on crystalline silicon solar cells

被引:2
|
作者
Luo, Xiaobin [1 ]
Li, Junjie [1 ]
Chen, Xu [1 ]
Sajjad, Muhammad [1 ]
He, Taoling [1 ]
Li, Xuan [1 ]
Wu, Lijuan [1 ]
Liu, Yongjun [2 ]
Sun, Li [3 ,4 ]
Ren, Yang [1 ]
Zhou, Xiaowei [1 ]
Liu, Zhu [1 ]
机构
[1] Yunnan Univ, Sch Phys Sci & Astron, Kunming 650091, Yunnan, Peoples R China
[2] Yunnan Univ, Adv Anal & Measurement Ctr, Kunming 650091, Yunnan, Peoples R China
[3] Univ Houston, Dept Mech Engn, Houston, TX 77204 USA
[4] Univ Houston, Texas Ctr Superconduct TcSUH, Houston, TX 77204 USA
关键词
Self-powered electrochemical reaction; Electrolyte/Si interface; Light-induced plating; Silicon solar cells; NICKEL; NI; ELECTRODEPOSITION; SILICIDATION; ALLOYS; DEVICE; PACK;
D O I
10.1016/j.solener.2018.07.044
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
Light induced deposition of metallic Zn, Fe, Co, Ni, Bi, and Cu on crystalline Si solar cell cathodes has been studied as a part of developing self-powered devices. The direct metal deposition relies on the relative position of Si Fermi level and the equilibrium potential of the metal/ion and H+/H-2 in electrolyte. Direct deposition of above mentioned metals shows three types of light-induced plating (LIP) behavior. Even with a relative large potential barrier, Cu2+ /Cu and Bi3+ /Bi could be deposited by the induced plating of the hydrogen evolution. The current density of the Co2+/Co and Ni2+/Ni have been reduced by the light absorption of the electrolyte impact on the solar cell. This work demonstrated the Si solar cells can be used to provide self-powered for metal deposition which can be used in the heavy metal treatment for the polluted water.
引用
收藏
页码:277 / 282
页数:6
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