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Poly(sodium 4-styrenseulfonate)-modified monolayer graphene for anode applications of organic photovoltaic cells

  • Yongfang Zhou
  • , Min Wang
  • , Liang Wang
  • , Shuli Liu
  • , Shufen Chen
  • , Kun Cao
  • , Wenjuan Shang
  • , Jiangquan Mai
  • , Baomin Zhao
  • , Jing Feng
  • , Xinhui Lu
  • , Wei Huang
  • Nanjing University of Posts and Telecommunications
  • Nanjing Tech University
  • Chinese University of Hong Kong
  • Jilin University

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

Abstract

An insulated poly(sodium 4-styrenseulfonate) (PSS) was used to modify monolayer graphene for anode applications of organic photovoltaics (OPVs). With this PSS interfacial modification layer, the OPVs showed a significant increase of 56.4% in efficiency due to an improved work function and hydrophilic feature of graphene and an enlarged recombination resistance of carriers/excitons. Doping a highly contorted 1,2,5-thiadiazole-fused 12-ring polyaromatic hydrocarbon into the active layer to form ternary blended OPVs further enlarged the recombination resistance of carriers/excitons and improved light absorption of the active layer, with which a high power conversion efficiency of 6.29% was acquired.

Original languageEnglish
Article number113302
JournalApplied Physics Letters
Volume111
Issue number11
DOIs
StatePublished - 11 Sep 2017
Externally publishedYes

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 7 - Affordable and Clean Energy
    SDG 7 Affordable and Clean Energy

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