CuTe Nanoparticles/Carbon Nanotubes as Back Contact for CdTe Solar Cells

被引：9
|
作者：
Li, Chunxiu [1 ]
Xu, Hang [1 ]
Li, Kang [1 ]
Ma, Xiao [1 ]
Wu, Lili [1 ]
Wang, Wenwu [1 ]
Zhang, Jingquan [1 ]
Li, Wei [1 ]
Li, Bing [1 ]
Feng, Lianghuan [1 ]
机构：
[1] Sichuan Univ, Coll Mat Sci & Engn, Chengdu 610065, Sichuan, Peoples R China
来源：
JOURNAL OF ELECTRONIC MATERIALS | 2018年 / 47卷 / 02期
基金：
国家高技术研究发展计划(863计划);
关键词：
CuTe nanoparticles; carbon nanotubes; CdTe solar cells; back contact; thin film; POLYCRYSTALLINE CDTE; FILM; TEMPERATURE; DEGRADATION; BARRIER;
D O I：
10.1007/s11664-017-5897-7
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The Schottky barrier between the CdTe layer and metal electrode has opposite polarity to the CdS/CdTe cell junction, which can greatly degrade cell performance. Adding a back contact (BC) layer can reduce the Schottky barrier at metal/p-CdTe interfaces. Paste including CuTe nanoparticles and carbon nanotubes (CuTe NPs/CNTs) was used as a BC in thin-film CdTe solar cells. The effect of the mass of carbon nanotubes (CNTs) in the paste and the BC annealing temperature on cell performance was explored. Cu film and paste including Cu nanoparticles and carbon nanotubes (Cu NPs/CNTs) were fabricated as the BC for CdTe solar cells. The performance of CdTe solar cells based on different kinds of Cu-containing BCs studied. The fill factor and open-circuit voltage (V (OC)) of devices with CuTe NPs/CNTs BC were greatly improved by optimizing the mass of CNTs in the paste and the annealing temperature. The carrier concentration in the CdTe layer was improved by one order of magnitude. The CuTe NPs/CNTs BC showed the best effect on cell efficiency for the Cu-containing BC.
引用
收藏
页码：1250 / 1258
页数：9
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