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

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

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

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 71BM([6,6]-phenyl-C71 butyric acid methyl ester) (1:4)/interlayer/Al. Two narrow bandgap alternating copolymers derived from 6,6′,12,12′-tetraoctylindeno[1,2-b]fluorene and bithiophene or thieno[3,2-b]thiophene-cored benzothiadiazole, named PIF-DDBT and PIF-DTBT, are synthesized and characterized. The application of the copolymers for PVCs, with device configurations ITO/PEDOT:PSS/blend/Al and ITO/PEDOT:PSS/blend/interlayer/ Al, is investigated.

Original languageEnglish
Pages (from-to)1193-1201
Number of pages9
JournalMacromolecular Chemistry and Physics
Volume212
Issue number11
DOIs
Publication statusPublished - 2011 Jun 1
Externally publishedYes

Fingerprint

Thiophenes
Conjugated polymers
Thiophene
thiophenes
ITO (semiconductors)
copolymers
Copolymers
polymers
synthesis
interlayers
Energy gap
solar simulators
Butyric acid
Butyric Acid
butyric acid
Photovoltaic cells
photovoltaic cells
configurations
Polyvinyl Chloride
Polyvinyl chlorides

Keywords

  • conjugated polymers
  • indeno[1,2-b]fluorene
  • photovoltaic solar cells, synthesis

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Physical and Theoretical Chemistry
  • Polymers and Plastics
  • Organic Chemistry
  • Materials Chemistry

Cite this

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

In: Macromolecular Chemistry and Physics, Vol. 212, No. 11, 01.06.2011, p. 1193-1201.

Research output: Contribution to journalArticle

Xia, Yangjun ; He, Zhicai ; Tong, Junfeng ; Li, Bin ; Wang, Chenglong ; Cao, Yong ; Wu, Hongbin ; Woo, Han Young ; Fan, Duowang. / 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. In: Macromolecular Chemistry and Physics. 2011 ; Vol. 212, No. 11. pp. 1193-1201.
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AU - He, Zhicai

AU - Tong, Junfeng

AU - Li, Bin

AU - Wang, Chenglong

AU - Cao, Yong

AU - Wu, Hongbin

AU - Woo, Han Young

AU - Fan, Duowang

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AB - 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 71BM([6,6]-phenyl-C71 butyric acid methyl ester) (1:4)/interlayer/Al. Two narrow bandgap alternating copolymers derived from 6,6′,12,12′-tetraoctylindeno[1,2-b]fluorene and bithiophene or thieno[3,2-b]thiophene-cored benzothiadiazole, named PIF-DDBT and PIF-DTBT, are synthesized and characterized. The application of the copolymers for PVCs, with device configurations ITO/PEDOT:PSS/blend/Al and ITO/PEDOT:PSS/blend/interlayer/ Al, is investigated.

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