Distorted asymmetric cubic nanostructure of soluble fullerene crystals in efficient polymer:fullerene solar cells.
Distorted asymmetric cubic nanostructure of soluble fullerene crystals in efficient polymer:fullerene solar cells.
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DOI：
10.1021/nn900798m
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发表时间：
2009-09
期刊：
影响因子：
17.1
通讯作者：
Youngkyoo Kim;J. Nelson;Tong Zhang;S. Cook;J. Durrant;Hwajeong Kim;Jiho Park;Minjung Shin;Sungho Nam;M. Heeney;I. McCulloch;C. Ha;D. Bradley
中科院分区：
文献类型：
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作者：
Youngkyoo Kim;J. Nelson;Tong Zhang;S. Cook;J. Durrant;Hwajeong Kim;Jiho Park;Minjung Shin;Sungho Nam;M. Heeney;I. McCulloch;C. Ha;D. Bradley
We found that 1-(3-methoxycarbonyl)propyl-1-phenyl-(6,6)C(61) (PCBM) molecules make a distorted asymmetric body-centered cubic crystal nanostructure in the bulk heterojunction films of reigoregular poly(3-hexylthiophene) and PCBM. The wider angle of distortion in the PCBM nanocrystals was approximately 96 degrees , which can be assigned to the influence of the attached side group to the fullerene ball of PCBM to bestow solubility. Atom concentration analysis showed that after thermal annealing the PCBM nanocrystals do preferentially distribute above the layer of P3HT nanocrystals inside devices.
