6,7-DIALKOXY-2,3-DIPHENYLQUINOXALINE BASED CONJUGATED POLYMERS FOR SOLAR CELLS WITH HIGH OPEN-CIRCUIT VOLTAGE

Zhen Lu; Cui-hong Li; Chun Du; Xue Gong; Zhi-shan Bo

doi:10.1007/s10118-013-1275-y

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6,7-DIALKOXY-2,3-DIPHENYLQUINOXALINE BASED CONJUGATED POLYMERS FOR SOLAR CELLS WITH HIGH OPEN-CIRCUIT VOLTAGE

Special Issue: In Honor of the 80th Birthday of Professor Fosong Wang (Part II) | Updated：2023-01-03

- 6,7-DIALKOXY-2,3-DIPHENYLQUINOXALINE BASED CONJUGATED POLYMERS FOR SOLAR CELLS WITH HIGH OPEN-CIRCUIT VOLTAGE
- Chinese Journal of Polymer Science Vol. 31, Issue 6, Pages: 901-911(2013)
- Affiliations：
  
  a.Beijing Key Laboratory of Energy Conversion and Storage Materials, College of Chemistry, Beijing Normal University, Beijing 100875, China
  b.College of Chemistry and Chemical Engineering, ShanXi DaTong University, DaTong 037009,China
- Author bio：
  
  **Cui-hong Li (李翠红), E-mail: licuihong@bnu.edu.cn
  Zhi-shan Bo (薄志山), E-mail: zsbo@bnu.edu.cn
- Funds：
- DOI：10.1007/s10118-013-1275-y
  CLC：
- Received：04 January 2013，
  
  Revised：2013-01-25，
  
  Accepted：31 January 2013，
  
  Published：2013-06
- Accepted：
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Zhen Lu, Cui-hong Li, Chun Du, et al. 6,7-DIALKOXY-2,3-DIPHENYLQUINOXALINE BASED CONJUGATED POLYMERS FOR SOLAR CELLS WITH HIGH OPEN-CIRCUIT VOLTAGE[J]. Chinese Journal of Polymer Science, 2013, 31(6): 901-911.
DOI：

Zhen Lu, Cui-hong Li, Chun Du, et al. 6,7-DIALKOXY-2,3-DIPHENYLQUINOXALINE BASED CONJUGATED POLYMERS FOR SOLAR CELLS WITH HIGH OPEN-CIRCUIT VOLTAGE[J]. Chinese Journal of Polymer Science, 2013, 31(6): 901-911. DOI： 10.1007/s10118-013-1275-y.

摘要

Abstract

7-Dialkoxy-2

3-diphenylquinoxaline based narrow band gap conjugated polymers

poly[2

7-(9-octyl-9H-carbazole)-

alt

-5

5-(5

8-di-2-thinenyl-(6

7-dialkoxy-2

3-diphenylquinoxaline))] (PCDTQ) and poly[2

7-(9

9-dioctylfluorene)-

alt

-5

5-(5

8-di-2-thinenyl-(6

7-dialkoxy-2

3-diphenylquinoxaline))] (PFDTQ)

have been synthesized by Suzuki polycondensation. Their optical

electrochemical

transport and photovoltaic properties have been investigated in detail. Hole mobilities of PCDTQ and PFDTQ films spin coated from 1

2-dichlorobenzene (DCB) solutions are 1.0 × 10

−4

and 4.1 × 10

−4

−1

respectively. Polymer solar cells were fabricated with the as-synthesized polymers as the donor and PC61BM and PC71BM as the acceptor. Devices based on PCDTQ:PC

BM (1:3) and PFDTQ:PC71BM (1:3) fabricated from DCB solutions demonstrated a power conversion efficiency (PCE) of 2.5% with a

of 0.95 V and a PCE of 2.5% with a

of 0.98 V

respectively

indicating they are promising donor materials.

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