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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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含有呋喃衍生物的窄带隙共轭聚合物的合成及光伏性能研究
DOI: 10.11777/j.issn1000-3304.2014.14145, PP. 1687-1692
Keywords: 苯并二呋喃,窄带隙,光伏,共轭聚合物
Abstract:
通过Stille法将呋喃衍生物苯并二呋喃(BDF)引入共轭主链,合成了苯并二呋喃-呋喃-苯并恶二唑共聚物(Polymer1,简称P1).以紫外吸收光谱分析了聚合物溶液及其膜的基本光谱特征,通过理论计算进行了分子模拟,并用电化学循环伏安法测定了其基本的电化学性质.采用此材料为给体,PC71BM为受体制备了本体异质结型的有机太阳能电池器件,同时研究了不同给/受体重量比的情况下以及1,8-二碘辛烷作为添加剂的情况下的光伏器件性能.结果表明,P1聚合物在可见光区具有较大吸收.由P1所制得的光伏器件,在AM1.5的模拟太阳光照射条件下最高的转化效率为2.96%,表明BDF基团的引入可实现窄带隙的光电聚合物.
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