A Novel Benzo[1,2-b:4,5-b′]dithiophene-Based Conjugated Polymer with a Pendant Diketopyrrolopyrrole Unit for High-Performance Solar Cells

被引:72
作者
Tan, Hua [1 ]
Deng, Xianping [1 ]
Yu, Junting [1 ]
Zhao, Baofeng [2 ]
Wang, Yafei [1 ]
Liu, Yu [1 ]
Zhu, Weiguo [1 ]
Wu, Hongbin [2 ]
Cao, Yong [2 ]
机构
[1] Xiangtan Univ, Key Lab Environm Friendly Chem & Applicat, Minist Educ, Coll Chem, Xiangtan 411105, Peoples R China
[2] S China Univ Technol, Inst Polymer Optoelect Mat & Devices, State Key Lab Luminescent Mat & Devices, Guangzhou 510640, Guangdong, Peoples R China
基金
中国国家自然科学基金; 湖南省自然科学基金;
关键词
PHOTOVOLTAIC PROPERTIES; SIDE-CHAIN; ACCEPTOR GROUPS; EFFICIENT; BANDGAP; COPOLYMERS; CARBAZOLE; DITHIENOTHIOPHENE; TRIPHENYLAMINE; THIOPHENE;
D O I
10.1021/ma302243r
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
A novel conjugated polymer of PBDT-TDPP-S was synthesized, which contains a donor unit of benzo[1,2-b:4,5-b']dithiophene in main chain and an acceptor unit of diketopyrrolopyrrole in side chain. This kind of side-chain donor-acceptor (D-A) polymer exhibited better solution processability, lower HOMO level (-5.34 eV), and more balanced carrier mobility relative to its corresponding main-chain D-A conjugated polymers. Using PBDT-TDPP-S as electron donor and [6,6]-phenyl-C-71-butyric acid methyl ester (PC71BM) as electron acceptor, the resulting polymer solar cells exhibited outstanding photovoltaic properties with a power conversion efficiency of 4.89%, an open-circuit voltage of 0.84 V, a short-circuit current of 10.04 mA cm(-2), and a fill factor of 56.0%.
引用
收藏
页码:113 / 118
页数:6
相关论文
共 50 条
  • [31] Synthesis and Photovoltaic Properties of Conjugated Copolymers with Benzo[1,2-b:4,5-b′]dithiophene and Bis(thiophene)phthalimide Units
    Zhang, Guobing
    Fu, Yingying
    Zhang, Qing
    Xie, Zhiyuan
    MACROMOLECULAR CHEMISTRY AND PHYSICS, 2010, 211 (24) : 2596 - 2601
  • [32] Synergistically boosting performances of organic solar cells from dithieno[3,2-b]benzo[1,2-b;4,5-b′]dithiophene-based copolymers via side chain engineering and radical polymer additives
    Xu, Husen
    Guo, Pengzhi
    Wang, Qian
    He, Xin
    Zhou, Anqi
    Sun, Xiaowei
    Wang, Ergang
    Woo, Han Young
    Wu, Hongbin
    Xia, Yangjun
    JOURNAL OF MATERIALS CHEMISTRY C, 2024, 12 (10) : 3644 - 3653
  • [33] A copolymer based on benzo[1,2-b:4,5-b′]dithiophene and quinoxaline derivative for photovoltaic application
    Wu, Haimei
    Qu, Bo
    Cong, Zhiyuan
    Liu, Hongli
    Tian, Di
    Gao, Bowen
    An, Zhongwei
    Gao, Chao
    Xiao, Lixin
    Chen, Zhijian
    Liu, Huanhuan
    Gong, Qihuang
    Wei, Wei
    REACTIVE & FUNCTIONAL POLYMERS, 2012, 72 (11) : 897 - 903
  • [34] A new benzo[1,2-b:4,5-b′]difuran-based copolymer for efficient polymer solar cells
    Chen, Xuewen
    Liu, Bo
    Zou, Yingping
    Xiao, Lu
    Guo, Xiuping
    He, Yuehui
    Li, Yongfang
    JOURNAL OF MATERIALS CHEMISTRY, 2012, 22 (34) : 17724 - 17731
  • [35] An alkylthieno-2-yl flanked dithieno[2,3-d: 2′,3′-d′]-benzo[1,2-b:4,5-b′]dithiophene-based low band gap conjugated polymer for high performance photovoltaic solar cells
    Guo, Pengzhi
    Xia, Yangjun
    Huang, Fei
    Luo, Guoping
    Li, Jianfeng
    Zhang, Peng
    Zhu, Yuancheng
    Yang, Chunyan
    Wu, Hongbin
    Cao, Yong
    RSC ADVANCES, 2015, 5 (17): : 12879 - 12885
  • [36] Conjugated polymers based on modified benzo[1,2-b:4,5-b′]dithiophene and perylene diimide derivatives: Good optical properties and tunable electrochemical performance
    Fang, Kun
    Huang, Yawen
    Chang, Guanjun
    Yang, Junxiao
    Shen, Yueqin
    Ye, Xu
    MACROMOLECULAR RESEARCH, 2015, 23 (06) : 545 - 551
  • [37] Dithieno[2,3-d:2',3'-d']benzo[1,2-b:4,5-b']dithiophene (DTBDAT)-based copolymers for high-performance organic solar cells
    Lee, Ye Seul
    Song, Seyeong
    Yoon, Yung Jin
    Lee, Yun-Ji
    Kwon, Soon-Ki
    Kim, Jin Young
    Kim, Yun-Hi
    JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY, 2016, 54 (19) : 3182 - 3192
  • [38] A fluorine-functionalized alternating polymer with benzo[1,2-b:4,5-b′]dithiophene and quinoxaline segments for photovoltaic devices
    Gao, Zhi
    Qu, Bo
    Wu, Haimei
    Yang, Hongsheng
    Gao, Chao
    Zhang, Lipei
    Xiao, Lixin
    Chen, Zhijian
    Wei, Wei
    Gong, Qihuang
    SYNTHETIC METALS, 2013, 172 : 69 - 75
  • [39] Impact of linker positions for thieno[3,2-b]thiophene in wide band gap benzo[1,2-b:4,5-b′]dithiophene-based photovoltaic polymers
    Zhang, Mingjing
    Zhang, Xiaofang
    Guo, Pengzhi
    Lv, Jie
    Wang, Xunchang
    Tong, Junfeng
    Xia, Yangjun
    JOURNAL OF MATERIALS RESEARCH, 2019, 34 (12) : 2057 - 2066
  • [40] Synthesis and Photovoltaic Properties of a Copolymer of Benzo[1,2-b:4,5-b′]dithiophene and Bithiazole
    Zhang, Maojie
    Fan, Haijun
    Guo, Xia
    He, Youjun
    Zhang, Zhi-Guo
    Min, Jie
    Zhang, Jing
    Zhao, Guangjin
    Zhan, Xiaowei
    Li, Yongfang
    MACROMOLECULES, 2010, 43 (21) : 8714 - 8717