Dual plasmonic-enhanced bulk-heterojunction solar cell incorporating gold nanoparticles into solution-processed anode buffer layer and active layer

Li Zhou, Jinya Yang, Ye Zhou, Su Ting Han, Longbiao Huang, Yan Yan, V. A.L. Roy

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)

Abstract

A dual plasmonic resonance effect on the performance of poly(3-hexylthiophene) (P3HT):phenyl C61-butyricacid methyl ester (PC61BM) based polymer solar cells (PSCs) has been demonstrated by selectively incorporating 25 nm colloidal gold nanoparticles (Au NPs) in a solution-processed molybdenum oxide (MoO3) anode buffer layer and 5 nm colloidal Au NPs in the active P3HT:PCBM layer. The devices exhibit up to ∼20% improvement in power conversion efficiency which is attributed to the dual effect of localized surface plasmon resonance (LSPR) of Au NPs with enhanced light absorption and exciton generation. Our report shows a guideline on the usage of dual LSPR effect for the solution-processed polymer solar cells to achieve high efficiencies.

Original languageEnglish
Pages (from-to)115-119
Number of pages5
JournalPhysica Status Solidi - Rapid Research Letters
Volume9
Issue number2
DOIs
Publication statusPublished - 1 Feb 2015
Externally publishedYes

Keywords

  • Gold
  • MoO
  • Nanoparticles
  • Organic solar cells
  • Plasmonics
  • Solution processing

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