Evaluation of the characteristics of the organic thin film solar cell fabricated by poly[4,8-bis(2-ethylhexyloxy)-benzo[1,2-b:4,5-′b] dithiophene-2,6-diyl-alt-(4-octanoyl-5-fluoro-thieno[3,4-b] thiophene-2-carboxylate)-2,6-diyl]/[6,6]-phenyl-C71-butyric acid methyl ester

被引：0
|
作者：
Komura, Tatsushi [1 ]
Santhakumar, Kannappan [1 ]
Kumar, Palanisamy [1 ]
Shin, Paik-Kyun [2 ]
Kojima, Kenzo [1 ]
Ochiai, Shizuyasu [1 ]
机构：
[1] Aichi Inst Technol, Dept Elect Engn, Toyota 4700392, Japan
[2] Inha Univ, Sch Elect Engn, Incheon 402751, South Korea
来源：
ORGANIC PHOTOVOLTAICS XIII | 2012年 / 8477卷
关键词：
organic solar cell; conducting polymer; PBDTTT-CF; PC71BM; AFM; CONJUGATED POLYMER; EFFICIENCY;
D O I：
10.1117/12.928681
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：
Solar energy is the most abundant and reliable source of energy and we have to provide for the multi-terawatt challenge we are facing. In recent years organic photovoltaic's have become one of the most interesting research areas due to their potential towards a cheap and broad applicability. We report the optical and electrical properties of PBDTTT-CF:PC71BM bulk hetero-junction (BHJ) solar cell. The devices were prepared by spin coating technique with the device structure of Glass/ITO/PEDOT:PSS/Active layer/Al. The ratio of polymer donor and fullerene acceptor varied between 1:1 to 1:4. Optical absorption spectroscopy measurements of the films indicated absorption peaks in the range from 500-800 nm which were attributed to PBDTTT-CF. The surface morphology of the active layers deposited was examined using Atomic Force Microscopy. The current density (J)-voltage (V) characteristics of the PBDTTT-CF:PC71BM bulk hetero-junction solar cells were studied. The devices fabricated using the selective active layer show overall power conversion efficiency of 3%.
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页数：8
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