Naphthodithiophene-2,1,3-benzothiadiazole copolymers for bulk heterojunction solar cells
作者:Bao Wang、Sai-Wing Tsang、Weifeng Zhang、Ye Tao、Man Shing Wong
DOI:10.1039/c1cc13690a
日期:——
Two newly synthesized naphthodithiophene-based copolymers, PNB, exhibit a low optical bandgap of ∼1.64 eV with which the solar cells fabricated from the blend of PNB and PC71BM afforded a power conversion efficiency of 5.3% with external quantum efficiency over 60% in a broad spectral range.
两种新合成的萘二噻吩类共聚物PNB,具有约1.64 eV的低光学带隙,使用PNB和PC71BM混合物制成的太阳能电池获得了5.3%的功率转换效率,并在广泛的频谱范围内实现了超过60%的外部量子效率。