Flexible CdS/CdSe quantum dots sensitized solar cells with high performance and durability

被引:8
作者
Ma, Fei [1 ]
Deng, Yunlong [1 ]
Ni, Xia [1 ]
Hou, Juan [2 ,3 ]
Liu, Guohan [4 ]
Peng, Shanglong [1 ,2 ,3 ]
机构
[1] Lanzhou Univ, Sch Phys Sci & Technol, Lanzhou, Peoples R China
[2] Shihezi Univ, Sch Sci, Key Lab Ecophys, Xinjiang, Peoples R China
[3] Shihezi Univ, Sch Sci, Dept Phys, Xinjiang, Peoples R China
[4] Gansu Acad Sci, Inst Sensor Technol, Lanzhou, Peoples R China
来源
NANO SELECT | 2021年 / 2卷 / 07期
基金
中国国家自然科学基金;
关键词
flexible photovoltaic devices; quantum dots; sensitized solar cells; wet-chemical synthesis; LOW-TEMPERATURE; ELECTRODES; FILM;
D O I
10.1002/nano.202000270
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
The research work aimed to explore a serial of facile methods to obtain low-cost, flexible, and high-performance CdS/CdSe QDSSCs. The flexible photoanode was prepared on the ITO/PEN substrate by blade coating. In order to improve the bonding performance between different layers of photovoltaic devices, the introduction of additives in the precursor slurry and the rapid annealing after blade coating were adopted. The flexible CdS/CdSe QDSSCs deliver energy conversion efficiency over 3%. When the tert-butanol additive was introduced, the conversion efficiency of the flexible device was as high as 3.49%. Meanwhile, flexible devices also showed excellent bending stability. When hydrochloric acid additives were introduced, the energy conversion efficiency retention rate of flexible CdS/CdSe QDSSCs was 72.7%, which showed great application potential.
引用
收藏
页码:1347 / 1355
页数:9
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