Plasmon-exciton interactions in hybrid structures of Au nanohemispheres and CdS nanowires for improved photoconductive devices

Abbas I. Maaroof, Hyungwoo Lee, Kwang Heo, June Park, Duckhyung Cho, Byung Yang Lee, Maeng Je Seong, Seunghun Hong

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

We developed a method to prepare photoconductive channels of hybrid nanostructures based on Au nanohemispheres (Au NHs) and cadmium sulfide nanowires (CdS NWs) for photoconductive applications. The hybrid nanostructures exhibited enhanced absorbance, which was attributed to the strong electronic coupling between plasmons in Au NHs and excitons in CdS NWs. The photoconductive channels based on the hybrid nanostructures showed an increase in photocurrent level by ∼5× compared to bare CdS NWs. Because our strategy can be utilized to improve the photoconductivity of quite versatile photoconductive channels, it can be a powerful method for the development of various advanced optoelectronic and photovoltaic devices.

Original languageEnglish
Pages (from-to)24543-24548
Number of pages6
JournalJournal of Physical Chemistry C
Volume117
Issue number46
DOIs
Publication statusPublished - 2013 Nov 21

Fingerprint

hybrid structures
Excitons
Nanowires
Nanostructures
nanowires
excitons
Cadmium sulfide
Plasmons
cadmium sulfides
Photoconductivity
interactions
optoelectronic devices
Photocurrents
plasmons
photoconductivity
Optoelectronic devices
photocurrents
electronics
LDS 751

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Electronic, Optical and Magnetic Materials
  • Surfaces, Coatings and Films
  • Energy(all)

Cite this

Plasmon-exciton interactions in hybrid structures of Au nanohemispheres and CdS nanowires for improved photoconductive devices. / Maaroof, Abbas I.; Lee, Hyungwoo; Heo, Kwang; Park, June; Cho, Duckhyung; Lee, Byung Yang; Seong, Maeng Je; Hong, Seunghun.

In: Journal of Physical Chemistry C, Vol. 117, No. 46, 21.11.2013, p. 24543-24548.

Research output: Contribution to journalArticle

Maaroof, Abbas I. ; Lee, Hyungwoo ; Heo, Kwang ; Park, June ; Cho, Duckhyung ; Lee, Byung Yang ; Seong, Maeng Je ; Hong, Seunghun. / Plasmon-exciton interactions in hybrid structures of Au nanohemispheres and CdS nanowires for improved photoconductive devices. In: Journal of Physical Chemistry C. 2013 ; Vol. 117, No. 46. pp. 24543-24548.
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