Solar cells based on poly(3-alkyl)thiophenes and [60]fullerene: a comparative study

被引:49
作者
Camaioni, N
Garlaschelli, L
Geri, A
Maggini, M
Possamai, G
Ridolfi, G
机构
[1] Ist Frae, CNR, I-40129 Bologna, Italy
[2] Univ Pavia, Dipartimento Chim Organ, I-27100 Pavia, Italy
[3] Univ Padua, Dipartimento Chim Organ, I-35131 Padua, Italy
关键词
D O I
10.1039/b201338j
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
Photovoltaic cells made, at ambient conditions, from blends of regioregular poly(3-alkylthiophenes) and soluble fullerene derivatives are compared. It is shown that the cell performance is affected by the length of the donor side-chain, as it occurs in devices based on pure polythiophenes. The highest value of power conversion efficiency (0.84%) were obtained by using poly(3-hexylthiophene) and a fullerene concentration of 33-40% by weight. We anticipate a significant further improvement in power conversion efficiency upon a mild thermal treatment of the cells.
引用
收藏
页码:2065 / 2070
页数:6
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