窄带隙聚合物材料因能与太阳光谱更好地匹配而备受重视,是聚合物太阳能电池的研究热点.按照窄带隙聚合物给体单元的结构分类,总结了含芴、硅芴、咔唑、环戊二烯并双噻吩、三苯胺和吩噻嗪给体单元的太阳能电池材料的设计以及器件性能,介绍了聚合物的HOMO和LUMO能隙值对其光谱和光电转换效率的影响,并指出了该研究领域目前存在的问题及今后的发展方向.
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