Gold nanorod enhanced organic photovoltaics

The importance of morphology effects

Robert C. Wadams, Chun Wan Yen, Dennis P. Butcher, Hilmar Koerner, Michael F. Durstock, Laura Fabris, Christopher E. Tabor

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

Organic photovoltaic devices with a 30% improvement in power conversion efficiency are achieved when gold nanorods (Au NR) are incorporated into the active bulk heterojunction (BHJ) layer. Detailed analysis of the system is provided through microscopy, device characterization, and spectroscopy, demonstrating that the enhancement effects are predominantly caused by induced morphology changes in the BHJ film rather than plasmonic effects. Wide angle X-ray diffraction provides evidence that the nanorods loaded into the BHJ film have an effect on polymer crystal orientation, leading to a systematic performance increase in the devices as a result of both internal and external efficiency improvements.

Original languageEnglish
Pages (from-to)1448-1457
Number of pages10
JournalOrganic Electronics: physics, materials, applications
Volume15
Issue number7
DOIs
Publication statusPublished - 2014

Fingerprint

Nanorods
Gold
nanorods
Heterojunctions
heterojunctions
gold
Crystal orientation
Conversion efficiency
Microscopic examination
Polymers
Spectroscopy
microscopy
X ray diffraction
augmentation
polymers
diffraction
spectroscopy
crystals
x rays

Keywords

  • Bulk heterojunction
  • Nanoparticle
  • Nanorod
  • Organic photovoltaics
  • Plasmon

ASJC Scopus subject areas

  • Biomaterials
  • Electronic, Optical and Magnetic Materials
  • Materials Chemistry
  • Electrical and Electronic Engineering
  • Chemistry(all)
  • Condensed Matter Physics

Cite this

Gold nanorod enhanced organic photovoltaics : The importance of morphology effects. / Wadams, Robert C.; Yen, Chun Wan; Butcher, Dennis P.; Koerner, Hilmar; Durstock, Michael F.; Fabris, Laura; Tabor, Christopher E.

In: Organic Electronics: physics, materials, applications, Vol. 15, No. 7, 2014, p. 1448-1457.

Research output: Contribution to journalArticle

Wadams, Robert C. ; Yen, Chun Wan ; Butcher, Dennis P. ; Koerner, Hilmar ; Durstock, Michael F. ; Fabris, Laura ; Tabor, Christopher E. / Gold nanorod enhanced organic photovoltaics : The importance of morphology effects. In: Organic Electronics: physics, materials, applications. 2014 ; Vol. 15, No. 7. pp. 1448-1457.
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