Optimization of thermally evaporated small molecule ternary organic solar cells

被引：2

作者：

Madduri, Suresh ^{[1
]}

Kodange, Vaibhavi G. ^{[2
]}

Raavi, Sai Santosh Kumar ^{[2
]}

Singh, Shiv Govind ^{[1
]}

机构：

[1] Indian Inst Technol Hyderabad, Dept Elect Engn, Sangareddy, Telangana, India

[2] Indian Inst Technol Hyderabad, Dept Phys, Sangareddy, Telangana, India

来源：

2021 IEEE 48TH PHOTOVOLTAIC SPECIALISTS CONFERENCE (PVSC) | 2021年

关键词：

small molecules; vacuum deposition; annealing; concentration ratios; ternary OPVs; EFFICIENT;

D O I：

10.1109/PVSC43889.2021.9518836

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：

Organic solar cells in ternary architecture have gained recent importance owing to their superior photovoltaic performances. In this work, we report fabrication and characterization of thermally evaporated small molecule based ternary bulk hetero junction (BHJ) organic photovoltaic (OPV) cells. To this we have used DTDCTB as a donor material, ICBA and C70 are used as electron acceptors in the active layer. The fabricated ternary OPV devices were tested under AM 1.5 solar irradiation. The fabricated devices were optimized for better performance at different annealing temperatures. Ternary device DTDCTB:C-70: ICBA (1:0.2:1) presented the best efficiency of 4.68% when annealed at 90 degrees C for 30 minutes. The obtained ternary OPV results were compared with the binary host system and reported efficient ternary OPVs and they are batch to batch reproducible.

引用

页码：732 / 736

页数：5

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