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Thermally stable and efficient polymer solar cells based on a novel donor-acceptor copolymer
2016
Nanotechnology
Preserved Fulltext
We report high photovoltaic performance of a novel donor-acceptor (D-A) conjugated polymer poly [2,6[4,8-bis(2-ethyl-hexyl)benzo[1,2-b;4,5-b′]dithiophene-co-2,5-thiophene-co-4,7[5,6-bisoctyloxy-benzo[1,2,5]thiadiazole]-co-2,5-thiophene] (PBDTTBTZT) in bulk heterojunctions with [6,6]-phenyl-C71-butyric acid methyl ester (PC 70 BM). A power conversion efficiency (PCE) of more than 7% is obtained for optimized charge-extracting electrodes. Upon application of thermal stress via annealing, a
doi:10.1088/0957-4484/27/25/254001
pmid:27242024
fatcat:b6dbdaxedbf4joqufzxu542q64