Enhanced photovoltaic performances of bis(pyrrolo[3,4-c]pyrrole-1,3-dione)-based wide band gap polymer via the incorporation of an appropriate spacer unit between pyrrolo[3,4-c]pyrrole-1,3-dione units

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• 作者：Vellaiappillai Tamilavan^a ; ^b ; Seungmin Kim^b ; Jiyeong Sung^a ; Dal Yong Lee^b ; Shinuk Cho^c ; Youngeup Jin^d ; Junghyun Jeong^b ; Sung Heum Park^b ; ^{spark@pknu.ac.kr} ; Myung Ho Hyun^a ; ^{mhhyun@pusan.ac.kr}
• 关键词：Polymer solar cells ; Spacer unit effects ; Benzodithiophene-based polymers ; Pyrrolo[3 ; 4-c]pyrrole-1 ; 3-dione-based polymers ; Imide functionalized polymer
• 刊名：Organic Electronics
• 出版年：2017
• 出版时间：March 2017
• 年：2017
• 卷：42
• 期：Complete
• 页码：34-41
• 全文大小：2309 K
• 卷排序：42

文摘

New wide band gap polymer P(BDTT-TTBDPPD) was prepared. The estimated optical band gap was 2.06 eV. The determined HOMO/LUMO levels were −5.42 eV/−3.36 eV. The estimated hole mobility of P(BDTT-PDBT) was 6.21 × 10−4 cm2V−1s−1. The PSCs made from P(BDTT-TTBDPPD) offered a maximum PCE of 5.37%.