Fabrication and Characterization of Bulk Heterojunction Solar Cells Based on Liquid-Crystal Semiconductive Polymer
Fabrication and Characterization of Bulk Heterojunction Solar Cells Based on Liquid-Crystal Semiconductive Polymer作者机构：Department of Materials Science The University of Shiga Prefecture Hikone Japan
出 版 物：《Energy and Power Engineering》 (能源与动力工程（英文）)
年 卷 期：2012年第4卷第6期
页 面：459-464页
主 题：Liquid Crystal Polymer Bulk Heterojunction Solar Cell Photovoltaic Property Optical Property
摘 要：Bulk heterojunction solar cells based on poly poly(9,9-dioctylfluorene-co-bithiophene) (F8T2) as liquid crystal semiconductive polymer and C60 as electron acceptor were fabricated and characterized. Thermal treatment of the bulk heterojunction films at annealing in the range of glass temperature and liquid crystal transition was performed for tuning optimization with improving the photovoltaic and optical properties. The photovoltaic performance was depended on morphological behavior in active layer at crystal state below glass temperature. The F8T2 thin film worked for electron-donor layer as p-type semiconductor to support charge transfer in active layer. Mechanisms of the photovoltaic properties were discussed on the basis of experimental results.
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