期刊
ANALYTICAL CHEMISTRY
卷 82, 期 5, 页码 1669-1673出版社
AMER CHEMICAL SOC
DOI: 10.1021/ac901992c
关键词
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资金
- National Science Council (NSC), Taiwan [NSC 97-2120-M-002-012, NSC 96-2628-E-007-030-MY2]
- Academia Sinica, Taiwan
In this study, the exciton lifetime images within the photoactive layers of poly(3-hexylthiophene) (P3HT) kind [6,6]-phenyl-C61-butyric acid methyl ester (PCBM) are revealed by confocal optical microscopy combined with the fluorescence module. The images reveal that the active layers during slow solvent evaporation provide 3D pathways for charge transport and the concentration gradient through the film which reflects the better cell performance. This technique offers a great help to investigate the 3D optical-physical property without destroying the blends.
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