Application research of CdS:Eu3+ quantum dots-sensitized TiO2 nanotube solar cells

被引：19
作者：
Chen, Qian [1 ]
Song, Jiahui [1 ]
Zhou, Chunyan [1 ]
Pang, Qi [1 ]
Zhou, Liya [1 ]
机构：
[1] Guangxi Univ, Sch Chem & Chem Engn, Guangxi Key Lab Petrochem Resource Proc & Proc In, Nanning 530004, Peoples R China
来源：
MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING | 2016年 / 46卷
基金：
中国国家自然科学基金;
关键词：
Quantum dots; Nanotubes; Solar cells; PHOTOELECTROCHEMICAL PERFORMANCE; VISIBLE-LIGHT; CDS; ARRAYS; NANOPARTICLES; MN; PHOTOSENSITIZATION; PHOTOLUMINESCENCE; EFFICIENCY;
D O I：
10.1016/j.mssp.2016.02.005
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：
Trivalent Eu3+-doped CdS quantum dot (CdS: Eu3+ QD)-sensitized TiO2 nanotube arrays (TNTAs) solar cells are prepared by using the direct adsorption method. The influences of sensitization time, sensitization temperature, and Eu3+ ion concentrations are investigated systematically. The photo-current of the CdS: Eu3+ QDs/TiO2 nanotubes appear at the main absorption region of 320-480 nm, and the maximum incident photon to the current conversion efficiency (IPCE) value is 21% at 430 nm when the sensitization condition is 4% doping Eu3+ concentration, 60 degrees C sensitization temperature, 8 h sensitization time. Compared with the un-doped CdS QD-sensitized TNTAs, the conversion efficiency and IPCE of CdS: Eu3+ QDs/TNTAs are two times and three times than that of un-doped CdS QDs sensitized TNTAs. This scenario exhibits the potential applications of rare earth elements in QD-sensitized solar cells. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：53 / 58
页数：6
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