Synthesis and Photovoltaic Properties of Alternating Conjugated Polymers Derived from Indeno[1,2‐ b ]fluorene and Bithiophene or Thieno[3,2‐ b ]thiophene‐Cored Benzothiadiazole | Zendy

Xia Yangjun | Zendy; He Zhicai | Zendy; Tong Junfeng | Zendy; Li Bin | Zendy; Wang Chenglong | Zendy; Cao Yong | Zendy; Wu Hongbin | Zendy; Woo Han Young | Zendy; Fan Duowang | Zendy

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Synthesis and Photovoltaic Properties of Alternating Conjugated Polymers Derived from Indeno[1,2‐ b ]fluorene and Bithiophene or Thieno[3,2‐ b ]thiophene‐Cored Benzothiadiazole

Author(s) -

Xia Yangjun,

He Zhicai,

Tong Junfeng,

Li Bin,

Wang Chenglong,

Cao Yong,

Wu Hongbin,

Woo Han Young,

Fan Duowang

Publication year - 2011

Publication title -

macromolecular chemistry and physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.57

H-Index - 112

eISSN - 1521-3935

pISSN - 1022-1352

DOI - 10.1002/macp.201000759

Subject(s) - pedot:pss , fluorene , thiophene , materials science , copolymer , conjugated system , energy conversion efficiency , polymer chemistry , band gap , polymer , photovoltaic system , photochemistry , organic chemistry , optoelectronics , chemistry , composite material , ecology , biology

Two narrow bandgap copolymers derived from 6,6′,12,12′‐tetraoctyl‐indeno[1,2‐ b ]fluorene and bithiophene or thieno[3,2‐ b ]thiophene‐cored benzothiadiazole are synthesized and characterized. The copolymers show broad absorption in the range 350–700 nm. The application of the copolymers as photovoltaic cells with configurations ITO/PEDOT:PSS/blend/Al and ITO/PEDOT:PSS/blend/interlayer/Al is investigated. A power conversion efficiency (PCE) of approximately 3.0% is achieved under an AM 1.5G solar simulator (80 mW cm −2 ) for the cells with ITO/PEDOT:PSS/polymer:PC 71 BM([6,6]‐phenyl‐C 71 butyric acid methyl ester) (1:4)/interlayer/Al.

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