Open-Cage Fullerenes as n-Type Materials in Organic Photovoltaics: Relevance of Frontier Energy Levels, Carrier Mobility and Morphology of Different Sizable Open-Cage Fullerenes with Power Conversion Efficiency in Devices

被引:27
作者
Chen, Chih-Ping [1 ]
Lin, Yu-Wei [2 ]
Horng, Jia-Cherng [3 ]
Chuang, Shih-Ching [2 ]
机构
[1] Ind Technol Res Inst, Mat & Chem Labs, Hsinchu 310, Taiwan
[2] Natl Chiao Tung Univ, Dept Appl Chem, Hsinchu 300, Taiwan
[3] Natl Tsing Hua Univ, Dept Chem, Hsinchu 300, Taiwan
关键词
POLYMER SOLAR-CELLS; OPEN-CIRCUIT VOLTAGE; PERFORMANCE; POLY(THIOPHENE-PHENYLENE-THIOPHENE); DERIVATIVES; DESIGN;
D O I
10.1002/aenm.201100172
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Organic bulk heterojunction (OBHJ) photovoltaics, incorporating open-cage fullerenes with orifice-size of 8, 12, 13, 16 and 20-membered-rings as n-type materials, display power conversion efficiency (PCE) up to 2.9% by the 8-membered-ring fullerene under AM 1.5G irradiation; their PCEs decrease as the orifice-size of open-cage fullerene increases, primarily due to electron-mobility descends as the cage is ruptured to larger holes.
引用
收藏
页码:776 / 780
页数:5
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