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Nano Research 2021, 14(7): 2231-2240 https://doi.org/10.1007/s12274-020-3204-z
Research Article | Issue | Published: 05 July 2021

Self-exothermic reaction driven large-scale synthesis of phosphorescent carbon nanodots

Show Author's Information Shi-Yu Song1,§,  Lai-Zhi Sui2,§,  Kai-Kai Liu1( ),  Qing Cao1,  Wen-Bo Zhao1,  Ya-Chuan Liang1,  Chao-Fan Lv1,  Jin-Hao Zang1,  Yuan Shang1,3( ),  Qing Lou1,  Xi-Gui Yang1,  Lin Dong1,  Kai-Jun Yuan2,  Chong-Xin Shan1( )
Henan Key Laboratory of Diamond Optoelectronic Materials and Devices, School of Physics and Microelectronics, Zhengzhou University, Zhengzhou 450052, China
State Key Laboratory of Molecular Reaction Dynamics, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian 116023, China
Super Computer Center, Smart City Institute, Zhengzhou University, Zhengzhou 450001, China

§ Shi-Yu Song and Lai-Zhi Sui contributed equally to this work.

Keywords:
carbon nanodots, phosphorescence, large scale, self-exothermic reaction
Topics:
Nanodots
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Song S-Y, Sui L-Z, Liu K-K, et al. Self-exothermic reaction driven large-scale synthesis of phosphorescent carbon nanodots. Nano Research, 2021, 14(7): 2231-2240. https://doi.org/10.1007/s12274-020-3204-z
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Abstract Full text Electronic supplementary material About this article

Phosphorescent carbon nanodots (CNDs) have various attractive properties and potential applications, but it remains a formidable challenge to achieve large-scale phosphorescent CNDs limited by current methods. Herein, a large-scale synthesis method for phosphorescent CNDs has been demonstrated via precursors’ self-exothermic reaction at room temperature. The as-prepared CNDs show fluorescence and phosphorescence property, which are comparable with that synthesized by solvothermal and microwave method. Experimental and computational studies indicate that exotic atom doped sp2 hybridized carbon core works as an emissive center, which facilities the intersystem crossing from singlet state to triplet state. The CNDs show phosphorescence with tunable lifetimes from 193 ms to 1.13 s at different temperatures. The demonstration of large-scale synthesis of phosphorescent CNDs at room temperature opens up a new window for room temperature fabrication phosphorescent CNDs.


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Electronic supplementary material
About this article

Self-exothermic reaction driven large-scale synthesis of phosphorescent carbon nanodots

Show Author's information Shi-Yu Song1,§, Lai-Zhi Sui2,§, Kai-Kai Liu1( ), Qing Cao1, Wen-Bo Zhao1, Ya-Chuan Liang1, Chao-Fan Lv1, Jin-Hao Zang1, Yuan Shang1,3( ), Qing Lou1, Xi-Gui Yang1, Lin Dong1, Kai-Jun Yuan2, Chong-Xin Shan1( )
Henan Key Laboratory of Diamond Optoelectronic Materials and Devices, School of Physics and Microelectronics, Zhengzhou University, Zhengzhou 450052, China
State Key Laboratory of Molecular Reaction Dynamics, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian 116023, China
Super Computer Center, Smart City Institute, Zhengzhou University, Zhengzhou 450001, China

§ Shi-Yu Song and Lai-Zhi Sui contributed equally to this work.

Abstract

Phosphorescent carbon nanodots (CNDs) have various attractive properties and potential applications, but it remains a formidable challenge to achieve large-scale phosphorescent CNDs limited by current methods. Herein, a large-scale synthesis method for phosphorescent CNDs has been demonstrated via precursors’ self-exothermic reaction at room temperature. The as-prepared CNDs show fluorescence and phosphorescence property, which are comparable with that synthesized by solvothermal and microwave method. Experimental and computational studies indicate that exotic atom doped sp2 hybridized carbon core works as an emissive center, which facilities the intersystem crossing from singlet state to triplet state. The CNDs show phosphorescence with tunable lifetimes from 193 ms to 1.13 s at different temperatures. The demonstration of large-scale synthesis of phosphorescent CNDs at room temperature opens up a new window for room temperature fabrication phosphorescent CNDs.

Keywords: carbon nanodots, phosphorescence, large scale, self-exothermic reaction

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Publication history
Copyright
Acknowledgements

Publication history

Received: 26 August 2020
Revised: 14 October 2020
Accepted: 16 October 2020
Published: 05 July 2021
Issue date: July 2021

Copyright

© Tsinghua University Press and Springer-Verlag GmbH Germany, part of Springer Nature 2021

Acknowledgements

This work was supported by the National Natural Science Foundation of China (Nos. 11904326, U1804155, and U1604263), China Postdoctoral Science Foundation (Nos. 2019TQ0287, and 2019M662510), the Chemical Dynamics Research Center (No. 21688102), the Key Technology Team of the Chinese Academy of Sciences (No. GJJSTD20190002).

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