Photoluminescence quenching of graphene oxide by metal ions in aqueous media

Di Yan Wang, Duan Wei Wang, Hsin An Chen, Tin Reui Chen, Shao Sian Li, Yun Chieh Yeh, Tsung Rong Kuo, Jiahn Haur Liao, Yu Ching Chang, Wei Ting Chen, Shih Hsiung Wu, Cho Chun Hu, Chun Wei Chen, Chia Chun Chen

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

The photoluminescence (PL) quenching of water-soluble graphene oxide (GO) solution was systematically investigated in the presence of transition metal ions. Their PL spectra were analyzed by the Stern-Volmer equation, and the trend of the quenching efficiency was Fe2+ > Co2+ > Ni2+ > Cd2+ > Hg2+. The results of the steady-state and time-resolved PL spectra of the GO solution suggested that the PL quenching was related to the new non-radiative optical transitions from the bridging states due to the hybridization of the sp3 orbitals of GO and the 3d orbitals of metal ions, proven by density functional theory calculations. The overall results indicated that the bridging states from the hybridization of GO sp3 and unfilled 3d orbitals (Fe2+) in comparison with filled 3d orbitals (Hg2+) were highly localized, and their energy levels were more suitable for being non-radiative transition states.

Original languageEnglish
Pages (from-to)24-30
Number of pages7
JournalCarbon
Volume82
Issue numberC
DOIs
Publication statusPublished - 2015
Externally publishedYes

Fingerprint

Graphite
Oxides
Graphene
Metal ions
Quenching
Photoluminescence
Optical transitions
Electron energy levels
Transition metals
Density functional theory
Water

ASJC Scopus subject areas

  • Chemistry(all)

Cite this

Wang, D. Y., Wang, D. W., Chen, H. A., Chen, T. R., Li, S. S., Yeh, Y. C., ... Chen, C. C. (2015). Photoluminescence quenching of graphene oxide by metal ions in aqueous media. Carbon, 82(C), 24-30. https://doi.org/10.1016/j.carbon.2014.10.017

Photoluminescence quenching of graphene oxide by metal ions in aqueous media. / Wang, Di Yan; Wang, Duan Wei; Chen, Hsin An; Chen, Tin Reui; Li, Shao Sian; Yeh, Yun Chieh; Kuo, Tsung Rong; Liao, Jiahn Haur; Chang, Yu Ching; Chen, Wei Ting; Wu, Shih Hsiung; Hu, Cho Chun; Chen, Chun Wei; Chen, Chia Chun.

In: Carbon, Vol. 82, No. C, 2015, p. 24-30.

Research output: Contribution to journalArticle

Wang, DY, Wang, DW, Chen, HA, Chen, TR, Li, SS, Yeh, YC, Kuo, TR, Liao, JH, Chang, YC, Chen, WT, Wu, SH, Hu, CC, Chen, CW & Chen, CC 2015, 'Photoluminescence quenching of graphene oxide by metal ions in aqueous media', Carbon, vol. 82, no. C, pp. 24-30. https://doi.org/10.1016/j.carbon.2014.10.017
Wang, Di Yan ; Wang, Duan Wei ; Chen, Hsin An ; Chen, Tin Reui ; Li, Shao Sian ; Yeh, Yun Chieh ; Kuo, Tsung Rong ; Liao, Jiahn Haur ; Chang, Yu Ching ; Chen, Wei Ting ; Wu, Shih Hsiung ; Hu, Cho Chun ; Chen, Chun Wei ; Chen, Chia Chun. / Photoluminescence quenching of graphene oxide by metal ions in aqueous media. In: Carbon. 2015 ; Vol. 82, No. C. pp. 24-30.
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abstract = "The photoluminescence (PL) quenching of water-soluble graphene oxide (GO) solution was systematically investigated in the presence of transition metal ions. Their PL spectra were analyzed by the Stern-Volmer equation, and the trend of the quenching efficiency was Fe2+ > Co2+ > Ni2+ > Cd2+ > Hg2+. The results of the steady-state and time-resolved PL spectra of the GO solution suggested that the PL quenching was related to the new non-radiative optical transitions from the bridging states due to the hybridization of the sp3 orbitals of GO and the 3d orbitals of metal ions, proven by density functional theory calculations. The overall results indicated that the bridging states from the hybridization of GO sp3 and unfilled 3d orbitals (Fe2+) in comparison with filled 3d orbitals (Hg2+) were highly localized, and their energy levels were more suitable for being non-radiative transition states.",
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AU - Wang, Di Yan

AU - Wang, Duan Wei

AU - Chen, Hsin An

AU - Chen, Tin Reui

AU - Li, Shao Sian

AU - Yeh, Yun Chieh

AU - Kuo, Tsung Rong

AU - Liao, Jiahn Haur

AU - Chang, Yu Ching

AU - Chen, Wei Ting

AU - Wu, Shih Hsiung

AU - Hu, Cho Chun

AU - Chen, Chun Wei

AU - Chen, Chia Chun

PY - 2015

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AB - The photoluminescence (PL) quenching of water-soluble graphene oxide (GO) solution was systematically investigated in the presence of transition metal ions. Their PL spectra were analyzed by the Stern-Volmer equation, and the trend of the quenching efficiency was Fe2+ > Co2+ > Ni2+ > Cd2+ > Hg2+. The results of the steady-state and time-resolved PL spectra of the GO solution suggested that the PL quenching was related to the new non-radiative optical transitions from the bridging states due to the hybridization of the sp3 orbitals of GO and the 3d orbitals of metal ions, proven by density functional theory calculations. The overall results indicated that the bridging states from the hybridization of GO sp3 and unfilled 3d orbitals (Fe2+) in comparison with filled 3d orbitals (Hg2+) were highly localized, and their energy levels were more suitable for being non-radiative transition states.

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