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Tuning the central fused ring and terminal units to improve the photovoltaic performance of Ar(AD) 2 type small molecules in solution-processed organic solar cells

Low band-gap AArA and Ar(AD) 2 type small molecules (SMs) of DPP 2 Py, ThDPP 2 Py and TPADPP 2 Py were designed and synthesized, in which pyrene (Py) and diketopyrrolopyrrole (DPP) were respectively used as central aryl (Ar) and arm acceptor (A) units and 2-octylthiophene (Th) and triphenylamine (TP... Full description

Journal Title: Journal of Materials Chemistry A 2016, Vol.4(13), pp.4952-4961
Main Author: Chen, Jianhua
Other Authors: Duan, Linrui , Xiao, Manjun , Wang, Qiong , Liu, Bin , Xia, Hao , Yang, Renqiang , Zhu, Weiguo
Format: Electronic Article Electronic Article
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ID: DOI: 10.1039/c6ta00416d
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recordid: rscc6ta00416d
title: Tuning the central fused ring and terminal units to improve the photovoltaic performance of Ar(AD) 2 type small molecules in solution-processed organic solar cells
format: Article
creator:
  • Chen, Jianhua
  • Duan, Linrui
  • Xiao, Manjun
  • Wang, Qiong
  • Liu, Bin
  • Xia, Hao
  • Yang, Renqiang
  • Zhu, Weiguo
subjects:
  • Pyren
  • Organische Solarzelle
  • Phenylamin
  • Energieumwandlung
  • Prozessbedingung
  • Stromdichte
  • Füllfaktor
  • Elektrochemie
  • Engineering
ispartof: Journal of Materials Chemistry A, 2016, Vol.4(13), pp.4952-4961
description: Low band-gap AArA and Ar(AD) 2 type small molecules (SMs) of DPP 2 Py, ThDPP 2 Py and TPADPP 2 Py were designed and synthesized, in which pyrene (Py) and diketopyrrolopyrrole (DPP) were respectively used as central aryl (Ar) and arm acceptor (A) units and 2-octylthiophene (Th) and triphenylamine (TPA) were employed as terminal donor (D) units. The effects of the central aryl and terminal units on optical, electrochemical, morphological and photovoltaic properties were primarily investigated. Compared to the reported analogues of DPP 2 Ar, in which Ar respectively represents 1,4-phenylene, 2,6-naphthalene and 2,6-anthracene, both DPP 2 Py and ThDPP 2 Py showed significantly improved photovoltaic performance in solution-processed organic solar cells. Furthermore, ThDPP 2 Py exhibited better photovoltaic performance than DPP 2 Py in these cells under optimized processing conditions. An improved power conversion efficiency (PCE) of 5.88% with a short current density ( J sc ) of 15.35 mA cm 2 and a fill factor (FF) of 57.89% was obtained for the ThDPP 2 Py based OPV cells. Our research result demonstrates that properly extending the central aryl ring and appending terminal units in AArA type SMs can significantly improve the photovoltaic performance of Ar(AD) 2 type SMs.
language:
source:
identifier: DOI: 10.1039/c6ta00416d
fulltext: fulltext
issn:
  • 2050-7488
  • 2050-7496
  • 20507496
  • 20507488
url: Link


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titleTuning the central fused ring and terminal units to improve the photovoltaic performance of Ar(AD) 2 type small molecules in solution-processed organic solar cells
creatorChen, Jianhua ; Duan, Linrui ; Xiao, Manjun ; Wang, Qiong ; Liu, Bin ; Xia, Hao ; Yang, Renqiang ; Zhu, Weiguo
ispartofJournal of Materials Chemistry A, 2016, Vol.4(13), pp.4952-4961
identifierDOI: 10.1039/c6ta00416d
descriptionLow band-gap AArA and Ar(AD) 2 type small molecules (SMs) of DPP 2 Py, ThDPP 2 Py and TPADPP 2 Py were designed and synthesized, in which pyrene (Py) and diketopyrrolopyrrole (DPP) were respectively used as central aryl (Ar) and arm acceptor (A) units and 2-octylthiophene (Th) and triphenylamine (TPA) were employed as terminal donor (D) units. The effects of the central aryl and terminal units on optical, electrochemical, morphological and photovoltaic properties were primarily investigated. Compared to the reported analogues of DPP 2 Ar, in which Ar respectively represents 1,4-phenylene, 2,6-naphthalene and 2,6-anthracene, both DPP 2 Py and ThDPP 2 Py showed significantly improved photovoltaic performance in solution-processed organic solar cells. Furthermore, ThDPP 2 Py exhibited better photovoltaic performance than DPP 2 Py in these cells under optimized processing conditions. An improved power conversion efficiency (PCE) of 5.88% with a short current density ( J sc ) of 15.35 mA cm 2 and a fill factor (FF) of 57.89% was obtained for the ThDPP 2 Py based OPV cells. Our research result demonstrates that properly extending the central aryl ring and appending terminal units in AArA type SMs can significantly improve the photovoltaic performance of Ar(AD) 2 type SMs.
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subjectPyren ; Organische Solarzelle ; Phenylamin ; Energieumwandlung ; Prozessbedingung ; Stromdichte ; Füllfaktor ; Elektrochemie ; Engineering;
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titleTuning the central fused ring and terminal units to improve the photovoltaic performance of Ar(AD) 2 type small molecules in solution-processed organic solar cells
descriptionLow band-gap AArA and Ar(AD) 2 type small molecules (SMs) of DPP 2 Py, ThDPP 2 Py and TPADPP 2 Py were designed and synthesized, in which pyrene (Py) and diketopyrrolopyrrole (DPP) were respectively used as central aryl (Ar) and arm acceptor (A) units and 2-octylthiophene (Th) and triphenylamine (TPA) were employed as terminal donor (D) units. The effects of the central aryl and terminal units on optical, electrochemical, morphological and photovoltaic properties were primarily investigated. Compared to the reported analogues of DPP 2 Ar, in which Ar respectively represents 1,4-phenylene, 2,6-naphthalene and 2,6-anthracene, both DPP 2 Py and ThDPP 2 Py showed significantly improved photovoltaic performance in solution-processed organic solar cells. Furthermore, ThDPP 2 Py exhibited better photovoltaic performance than DPP 2 Py in these cells under optimized processing conditions. An improved power conversion efficiency (PCE) of 5.88% with a short current density ( J sc ) of 15.35 mA cm 2 and a fill factor (FF) of 57.89% was obtained for the ThDPP 2 Py based OPV cells. Our research result demonstrates that properly extending the central aryl ring and appending terminal units in AArA type SMs can significantly improve the photovoltaic performance of Ar(AD) 2 type SMs.
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titleTuning the central fused ring and terminal units to improve the photovoltaic performance of Ar(AD) 2 type small molecules in solution-processed organic solar cells
authorChen, Jianhua ; Duan, Linrui ; Xiao, Manjun ; Wang, Qiong ; Liu, Bin ; Xia, Hao ; Yang, Renqiang ; Zhu, Weiguo
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abstractLow band-gap AArA and Ar(AD) 2 type small molecules (SMs) of DPP 2 Py, ThDPP 2 Py and TPADPP 2 Py were designed and synthesized, in which pyrene (Py) and diketopyrrolopyrrole (DPP) were respectively used as central aryl (Ar) and arm acceptor (A) units and 2-octylthiophene (Th) and triphenylamine (TPA) were employed as terminal donor (D) units. The effects of the central aryl and terminal units on optical, electrochemical, morphological and photovoltaic properties were primarily investigated. Compared to the reported analogues of DPP 2 Ar, in which Ar respectively represents 1,4-phenylene, 2,6-naphthalene and 2,6-anthracene, both DPP 2 Py and ThDPP 2 Py showed significantly improved photovoltaic performance in solution-processed organic solar cells. Furthermore, ThDPP 2 Py exhibited better photovoltaic performance than DPP 2 Py in these cells under optimized processing conditions. An improved power conversion efficiency (PCE) of 5.88% with a short current density ( J sc ) of 15.35 mA cm 2 and a fill factor (FF) of 57.89% was obtained for the ThDPP 2 Py based OPV cells. Our research result demonstrates that properly extending the central aryl ring and appending terminal units in AArA type SMs can significantly improve the photovoltaic performance of Ar(AD) 2 type SMs.
doi10.1039/c6ta00416d
pages4952-4961