Fabrication and properties of P3HT: PCBM/Cu2SnSe3 (CTSe) nanocrystals based inverted hybrid solar cells

被引：22
作者：
Dwivedi, Shailendra Kumar [1 ,2 ]
Tiwari, D. C. [1 ,2 ]
Tripathi, Santosh K. [3 ]
Dwivedi, Prabhat K. [4 ]
Dipak, P. [2 ]
Chandel, Tarun [2 ]
Prasad, N. Eswara [3 ]
机构：
[1] Jiwaji Univ, Sch Studies Elect, Gwalior, MP, India
[2] Jiwaji Univ, Sch Studies Phys, Gwalior, MP, India
[3] Def Mat & Stores Res & Dev Estab, Kanpur, Uttar Pradesh, India
[4] Indian Inst Technol, Ctr Nanosci, Kanpur, Uttar Pradesh, India
来源：
SOLAR ENERGY | 2019年 / 187卷 / 167-174期
关键词：
P3HT:PCBM; Cu2SnSe3; nanocrystals; EIS; Hybrid solar cell; POLYMER PHOTOVOLTAIC CELLS; OPTICAL-PROPERTIES; SELF-ORGANIZATION; PERFORMANCE; BLENDS; ELECTROLYTE; CU2SNSE3; LAYERS;
D O I：
10.1016/j.solener.2019.05.012
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
Thin film solar cells with ITO/ZnO/P3HT:PCM:CTSe NCs/Ag structure were fabricated employing a fast and cost-effective procedure using blended solution of P3HT:PCBM:CTSe NCs deposited by spin casting, followed by thermal annealing steps. The CTSe NCs are prepared via solvothermal method. An inverted architecture of device with structure ITO/ZnO/P3HT: PCBM:CTSe NCs/Ag have been fabricated with different concentration of CTSe NCs in poly(3-hexyle thiophene) (P3HT): [6,6]phenyl-C61-butyric-acid-methyl-ester (PCBM) matrix. The effect of CTSe NCs on the performance of hybrid solar cell with optimized blend ratio of P3HT:PCBM and CTSe NCs has been investigated for optimum power conversion. The charge carrier extraction and recombination at the interface of donor-acceptor material were studied using Electrochemical impedance spectroscopy (EIS) under dark condition. EIS study has demonstrated that the charge transfer rate was higher for the device having optimized wt% of CTSe NCs (10 wt%) in P3HT:PCBM active layer. A significant improvement in the device performances was observed on incorporation of CTSe NCs. The device exhibited open circuit voltage (V-oc) of 0.475 V, short circuit current density (J(sc)) of 6.95 mA/cm(2), fill factor (FF) of 0.41 and power conversion efficiency (PCE) of 1.35%.
引用
收藏
页码：167 / 174
页数：8
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