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Fe3+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

李正顺, 王岩, 王雷, 王海宇. Fe3+对石墨烯氧化物荧光淬灭机理的研究[J]. 中国光学, 2016, 9(5): 569-578. doi: 10.3788/CO.20160905.0569
引用本文: 李正顺, 王岩, 王雷, 王海宇. Fe3+对石墨烯氧化物荧光淬灭机理的研究[J]. 中国光学, 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

Fe3+对石墨烯氧化物荧光淬灭机理的研究

doi: 10.3788/CO.20160905.0569
基金项目: 

国家自然科学基金资助项目 21473077

详细信息
    作者简介:

    李正顺(1990-), 男, 山东枣庄人, 硕士研究生, 主要从事超快光电转换方面的研究.E-mail:1220580786@qq.com

    通讯作者:

    王海宇(1967-), 男, 吉林长春人, 教授, 博士生导师, 主要从事超快光谱技术方面的研究.E-mail:haiyu_wang@jlu.edu.cn

  • 中图分类号: TN249

Fluorescence quenching mechanism of graphene oxide by Fe3+

Funds: 

Supported by National Natural Science Foundation of China 21473077

More Information
  • 摘要: 采用改进的Humer法合成了石墨烯氧化物,利用搭建的时间分辨光谱探测系统详细探究了Fe3+(浓度为0.5、1、2 mmol/L)对石墨烯氧化物荧光淬灭物理机制。稳态荧光发射光谱中,随着Fe3+浓度的增加,石墨烯氧化物的荧光强度急剧减弱。时间分辨荧光光谱和飞秒瞬态吸收光谱研究证实,加入不同浓度Fe3+的GO其动力学衰减曲线基本没有任何变化。结果表明,Fe3+对石墨烯氧化物的荧光淬灭主要是静态的荧光淬灭过程。
  • 图  1  时间分辨光谱探测系统结构示意图

    Figure  1.  Schematic diagram of time-resolved spectroscopy probe system

    图  2  加入不同浓度Fe3+的GO的稳态吸收光谱

    Figure  2.  Steady-state absorption spectra of GO with different Fe3+ concentrations

    图  3  加入不同浓度Fe3+的GO的荧光发射光谱

    Figure  3.  Steady-state emission spectra of GO with different Fe3+ concentrations

    图  4  加入不同浓度Fe3+的GO的时间分辨发射光谱

    Figure  4.  $Time-resolved emission spectra of GO with different Fe3+ concentrations

    图  5  加入不同浓度Fe3+的GO在400 nm激发下的瞬态吸收光谱

    Figure  5.  Transient absorption spectra of GO with different Fe3+ concentrations at 400 nm excitation

    图  6  加入不同浓度Fe3+的GO在530 nm激发下的瞬态吸收光谱

    Figure  6.  Transient absorption spectra of GO with different Fe3+ concentrations at 530 nm excitation

    图  7  400 nm激发下加入不同浓度Fe3+的GO测量的动力学衰减曲线

    Figure  7.  Dynamic decay curves of GO with different Fe3+ concentrations at 400 nm excitation

    图  8  530 nm激发下加入不同浓度Fe3+的GO测量的动力学衰减曲线

    Figure  8.  Dynamic decay curves of GO with different Fe3+ concentrations at 530 nm excitation

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出版历程
  • 收稿日期:  2016-04-18
  • 修回日期:  2016-05-20
  • 刊出日期:  2016-10-01

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