Ga和Cu/In衬底上电沉积金属Ga

引用本文: 张超, 敖建平, 王利, 姜韬, 孙国忠, 何青, 周志强, 孙云. Ga和Cu/In衬底上电沉积金属Ga[J]. 物理化学学报, 2012, 28(08): 1913-1922. doi: 10.3866/PKU.WHXB201205153 shu

Citation: ZHANG Chao, AO Jian-Ping, WANG Li, JIANG Tao, SUN Guo-Zhong, HE Qing, ZHOU Zhi-Qiang, SUN Yun. Electrodepositied Gallium on Gallium and Copper/Indium Substratess[J]. Acta Physico-Chimica Sinica, 2012, 28(08): 1913-1922. doi: 10.3866/PKU.WHXB201205153 shu

Ga和Cu/In衬底上电沉积金属Ga

基金项目:
教育部博士点基金(20090031110031)资助项目 (20090031110031)

摘要:

在酸性水溶液中,分别在金属Ga和Cu/In衬底上进行了Ga电沉积的研究。用循环伏安法研究了导电盐、pH值对电沉积Ga的影响。系统研究了Ga的沉积过程,发现Ga会逐渐向薄膜内部扩散,在Cu/In界面上与CuIn合金反应生成CuGa₂合金。针对Cu/In薄膜和Ga薄膜是活泼金属的特点,在溶液中加入三乙醇胺有效地保护了Cu/In薄膜和Ga金属薄膜不被氧化,并且提高了Ga沉积的电流效率。在Cu/In薄膜上制备出了均匀光亮的金属Ga薄膜。对电沉积出Cu-In-Ga预置层进行了硒化处理,得到了质量较好的Cu(In_1-xGa_x)Se₂(CIGS)薄膜,并制备了太阳电池。电池效率达到了9.42%。

关键词:

English

Electrodepositied Gallium on Gallium and Copper/Indium Substratess

1.
Key Laboratory of Optoelectronic Information Technology, Ministry of Education, Tianjin Key Laboratory of Photo-Electronic Thin Film Devices and Technology, Institute of Photo-Electronic Thin FilmDevices and Technique, Nankai University, Tianjin 300071, P. R. China
Received Date: 29 March 2012
Available Online: 10 July 2012
Fund Project:
教育部博士点基金(20090031110031)资助项目

Abstract:

We investigate the electrodeposition of gallium metallic precursor on gallium and Cu/In substrates from acidic aqueous solutions. The effect of the supporting electrolyte and the solution pH value for the electrodeposition of Ga is investigated by cyclic voltammetry. During Ga electrodeposition, gallium gradually diffuses into the film, and reacts with CuIn alloy to produce CuGae₂ at the Cu/In interface. We use triethanolamine to protect the Cu/In and Ga films from being oxidized, and thus this improves the current efficiency of Ga-electrodeposition. The Cu-In-Ga films are annealed in an Se atmosphere to produce In_1-xGa_xSee₂(CIGS) thin films with high quality, and the efficiency of the solar cell prepared using these films is 9.42%.

Key words:

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1.
沈阳化工大学材料科学与工程学院沈阳 110142

Ga和Cu/In衬底上电沉积金属Ga

English

Electrodepositied Gallium on Gallium and Copper/Indium Substratess

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Ga和Cu/In衬底上电沉积金属Ga

English

Electrodepositied Gallium on Gallium and Copper/Indium Substratess

CCS Chemistry：嵌段共聚物自组装成 “三明治”二维有机材料，实现纳米级压力传感功能

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CCS Chemistry：工作高效不疲劳，只须让催化剂动起来

CCS Chemistry：静电组装导向聚合- 聚电解质纳米凝胶量化制备新策略

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