Fe<sup>3+</sup>对石墨烯氧化物荧光淬灭机理的研究

李正顺; 王岩; 王雷; 王海宇

doi:10.3788/CO.20160905.0569

Volume 9 Issue 5

Sep. 2016

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Article Contents

Chinese Optics > 2016 > 9(5): 569-578.

LI Zheng-shun, WANG Yan, WANG Lei, WANG Hai-yu. Fluorescence quenching mechanism of graphene oxide by Fe3+[J]. Chinese Optics, 2016, 9(5): 569-578. doi: 10.3788/CO.20160905.0569

Citation:

LI Zheng-shun, WANG Yan, WANG Lei, WANG Hai-yu. Fluorescence quenching mechanism of graphene oxide by Fe³⁺[J]. Chinese Optics, 2016, 9(5): 569-578. doi: 10.3788/CO.20160905.0569

LI Zheng-shun, WANG Yan, WANG Lei, WANG Hai-yu. Fluorescence quenching mechanism of graphene oxide by Fe3+[J]. Chinese Optics, 2016, 9(5): 569-578. doi: 10.3788/CO.20160905.0569

Citation:

LI Zheng-shun, WANG Yan, WANG Lei, WANG Hai-yu. Fluorescence quenching mechanism of graphene oxide by Fe³⁺[J]. Chinese Optics, 2016, 9(5): 569-578. doi: 10.3788/CO.20160905.0569

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Fluorescence quenching mechanism of graphene oxide by Fe³⁺

doi: 10.3788/CO.20160905.0569

College of Electronic Science and Engineering, Jilin University, Changchun 130012, China

Funds:

Supported by National Natural Science Foundation of China 21473077

More Information

Corresponding author: E-mail:haiyu_wang@jlu.edu.cn
Received Date: 18 Apr 2016
Rev Recd Date: 20 May 2016
Publish Date: 01 Oct 2016

Abstract

Abstract

The graphene oxide(GO) is synthesized by the improved Hummer method. The fluorescence quenching mechanism of graphene oxide by Fe³⁺(0.5, 1, 2 mmol/L) in detail is studied using the time-resolved spectrometry probe system. From the steady photoluminescence emitting spectra, the fluorescence intensity of GO decreased dramatically as the Fe³⁺ concentration increased. From the time-resolved fluorescence spectra and femtosecond transient absorption spectra, the dynamic decay curves have no extinctive changes for GO with different Fe³⁺ concentrations. It is proved that the fluorescence quenching mechanism of GO by Fe³⁺ is mainly ascribed to the static fluorescence quenching.
- graphene oxide,
- static fluorescence quenching,
- transient absorption,
- dynamic decay

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References(21)

References

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