Improving CNT-Si solar cells by metal chloride-to-oxide transformation

查看全文 作　　者：Huaisheng [1]Wu;Xuewei [1]Zhao;Yizeng [1]Wu;Qinghuan [1]Ji;Linxiu [1]Dai;Yuanyuan [2]Shang;Anyuan [1]Cao

机构地区：[1]Department of Materials Science and Engineering,College of Engineering,Peking University,Beijing 100871,China;[2]School of Physical and Microelectronics,Zhengzhou University,Zhengzhou 450052,China

出　　处：《Nano Research》索引2020年第13卷第2期,共8页

基　　金：This work was supported by the National Natural Science Foundation of China(NSFC)(No.51672005). 摘　　要：Transitional metal oxides(TMOs)are important functional materials in silicon-based and thin-film optoelectronics.Here,TMOs areapplied in carbon nanotube(CNT)-Si solar cells by spin-coating solutions of metal chlorides that undergo favorable transformation in ambient conditions.An unconventional change in solar cell behavior is observed after coating two particular chlorides(MoCl,and WCls,respectively),characterized by an initial severe degradation followed by gradual recovery and then well surpassing the original performance.Detailed analysis reveals that the formation of correspondina oxides(MoOa and WO.)enables two primary functions on both CNTs(p-type doping)and Si(inducing inversion layer),leading to significant improvement in open-circuit voltage and fill factor,with power conversion efficiencies up to 13.0%(MoOg)and 13.4%(WOg).Further combining with other chlorides to increase the short-circuit current,ultimate cells efficiencies achieve>16%with over 90%retention after 24 h,which are among the highes stable efficiencies reported for CNT-Si solar cells.The transformation of functional layers as demonstrated here has profoundinfluence on the device characteristics,and represents a potential strategy in low-cost manufacturing of next-generation high efficiency photovoltaics. 关键词：carbon nanotube(CNT)-Si solar cell chloride to oxide transformation MoO3 and WO3 inversion layer

相关文献

参考文献（47）
引证文献（4）
耦合文献（0）

参考文献(47)

引证文献(4)

互联网出版许可证新出网证(渝)字10号全国400电话 - 免长途话费

Improving CNT-Si solar cells by metal chloride-to-oxide transformation

参考文献(47)

引证文献(4)

用户提示