Interactions between fluorescence of atomically layered graphene oxide and metallic nanoparticles

Yu Wang, Shao Sian Li, Yun Chieh Yeh, Chen Chieh Yu, Hsuen Li Chen, Feng Chieh Li, Yu Ming Chang, Chun Wei Chen

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Graphene oxide (GO) demonstrates interesting photoluminescence (PL) because of its unique heterogeneous atomic structure, which consists of variable sp2- and sp3-bonded carbons. In this study, we report the interaction between the luminescence of GO ranging from a single atomic layer to few-layered thin films and localized surface plasmon resonance (LSPR) from silver nanoparticles (Ag NPs). The photoluminescence of GO in the vicinity of the Ag NPs is enhanced significantly due to the near-field plasmonic effect by coupling electron-hole pairs of GO with oscillating electrons in Ag NPs, leading to an increased PL intensity and a decreased PL decay lifetime. The maxima 30-fold enhancement in PL intensity is obtained with an optimized film thickness of GO, and the luminescence image from a single atomic layer GO sheet is successfully observed with the assistance of the LSPR effect. The results provide an ideal platform for exploring the interactions between the fluorescence of two-dimensional layered materials and the LSPR effect.

Original languageEnglish
Pages (from-to)1687-1691
Number of pages5
JournalNanoscale
Volume5
Issue number4
DOIs
Publication statusPublished - Feb 21 2013
Externally publishedYes

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Oxides
Graphene
Fluorescence
Photoluminescence
Nanoparticles
Surface plasmon resonance
Luminescence
Electrons
Silver
Film thickness
Carbon
Thin films

ASJC Scopus subject areas

  • Materials Science(all)

Cite this

Wang, Y., Li, S. S., Yeh, Y. C., Yu, C. C., Chen, H. L., Li, F. C., ... Chen, C. W. (2013). Interactions between fluorescence of atomically layered graphene oxide and metallic nanoparticles. Nanoscale, 5(4), 1687-1691. https://doi.org/10.1039/c2nr33220e

Interactions between fluorescence of atomically layered graphene oxide and metallic nanoparticles. / Wang, Yu; Li, Shao Sian; Yeh, Yun Chieh; Yu, Chen Chieh; Chen, Hsuen Li; Li, Feng Chieh; Chang, Yu Ming; Chen, Chun Wei.

In: Nanoscale, Vol. 5, No. 4, 21.02.2013, p. 1687-1691.

Research output: Contribution to journalArticle

Wang, Y, Li, SS, Yeh, YC, Yu, CC, Chen, HL, Li, FC, Chang, YM & Chen, CW 2013, 'Interactions between fluorescence of atomically layered graphene oxide and metallic nanoparticles', Nanoscale, vol. 5, no. 4, pp. 1687-1691. https://doi.org/10.1039/c2nr33220e
Wang, Yu ; Li, Shao Sian ; Yeh, Yun Chieh ; Yu, Chen Chieh ; Chen, Hsuen Li ; Li, Feng Chieh ; Chang, Yu Ming ; Chen, Chun Wei. / Interactions between fluorescence of atomically layered graphene oxide and metallic nanoparticles. In: Nanoscale. 2013 ; Vol. 5, No. 4. pp. 1687-1691.
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