期刊
LANGMUIR
卷 26, 期 11, 页码 8756-8761出版社
AMER CHEMICAL SOC
DOI: 10.1021/la904515z
关键词
-
资金
- Center for Nanoscale Materials
- U.S. Department of Energy, Office of Science. Office of Basic Energy Sciences [DE-ACO2-06C1-111357]
Thin films of poly(3-hexylthiophene)-Noek-polylactide block copolymer exhibiting ordered lamellar morphology have been selectively etched to produce structured films that could be used in fabrication of idealized bulk heterojunctions for organic or hybrid solar energy devices. Etched poly(3-hexylthiophene) Films, after being rinsed in water to remove degraded polylactide fragments, were dried using various drying approaches that reduce or alleviate surface tension forces generated during liquid evaporation from the film. As emphasized by atomic force microscopy, X-ray diffraction, and emission photoluminescence, a reduction in domain collapse leads to improved molecular ordering in the plane perpendicular to the substrate and enhanced photoluminescence quenching when paired with fullerene Cm hydroxide electron acceptors.
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