| 氧化石墨烯猝灭罗丹明6G荧光的机理研究 |
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| 引用本文： | 陈鹿,张雷,江申龙,张群.氧化石墨烯猝灭罗丹明6G荧光的机理研究[J].化学物理学报,2018,31(2):165-170. |
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| 作者姓名： | 陈鹿 张雷 江申龙 张群 |
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| 作者单位： | 中国科学技术大学化学物理系, 合肥微尺度物质科学国家研究中心, 量子信息与量子科技协同创新中心, 合肥 230026,中国科学技术大学化学物理系, 合肥微尺度物质科学国家研究中心, 量子信息与量子科技协同创新中心, 合肥 230026,中国科学技术大学化学物理系, 合肥微尺度物质科学国家研究中心, 量子信息与量子科技协同创新中心, 合肥 230026,中国科学技术大学化学物理系, 合肥微尺度物质科学国家研究中心, 量子信息与量子科技协同创新中心, 合肥 230026 |
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| 基金项目： | This work was supported by the Ministry of Science and Technology of China (No.2016YFA0200602), the National Natural Science Foundation of China (No.21573211 and No.21633007), and the Fundamental Research Funds for the Central Universities (No.WK2340000063). |
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| 收稿时间： | 2017/10/29 0:00:00 |
| 修稿时间： | 2018/1/8 0:00:00 |
Mechanistic Insights into the Fluorescence Quenching of Rhodamine 6G by Graphene Oxide |
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| Lu Chen,Lei Zhang,Shen-long Jiang and Qun Zhang.Mechanistic Insights into the Fluorescence Quenching of Rhodamine 6G by Graphene Oxide[J].Chinese Journal of Chemical Physics,2018,31(2):165-170. |
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| Authors: | Lu Chen Lei Zhang Shen-long Jiang and Qun Zhang |
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| Institution: | Department of Chemical Physics, Hefei National Laboratory for Physical Sciences at the Microscale, Synergetic Innovation Center of Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei 230026, China,Department of Chemical Physics, Hefei National Laboratory for Physical Sciences at the Microscale, Synergetic Innovation Center of Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei 230026, China,Department of Chemical Physics, Hefei National Laboratory for Physical Sciences at the Microscale, Synergetic Innovation Center of Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei 230026, China and Department of Chemical Physics, Hefei National Laboratory for Physical Sciences at the Microscale, Synergetic Innovation Center of Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei 230026, China |
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| Abstract: | The fluorescence quenching of Rhodamine 6G (R6G) by graphene oxide (GO) was interrogated by R6G fluorescence measurements using a set of controlled GO samples with varied C/O ratios as the quencher.The carbonyl groups on the GO nanosheet turned to play a dominant role in quenching the R6G fluorescence.The quenching in the static regime can be described by the "sphere of action" model.The significant absorption of the R6G fluorescence by the ground-state complex formed between R6G and GO was identified to be responsible for the static quenching.This work offers helpful insights into the fluorescence quenching mechanisms in the R6G/GO system. |
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| Keywords: | Graphene oxide Rhodamine 6G Fluorescence Carbonyl group Static quenching Sphere of action Ground-state complex |
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