Synthesis, applications and potential photoluminescence mechanism of spectrally tunable carbon dots

Bo Zhi; XiaoXiao Yao; Yi Cui; Galya Orr; Christy L. Haynes

doi:10.1039/C9NR05028K

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Synthesis, applications and potential photoluminescence mechanism of spectrally tunable carbon dots

Bo Zhi,

†^a XiaoXiao Yao,

†^a Yi Cui,

‡^b Galya Orr

^b and Christy L. Haynes

*^a

Author affiliations

* Corresponding authors

^a Department of Chemistry, University of Minnesota – Twin Cities, USA
E-mail: chaynes@umn.edu

^b Environmental Molecular Sciences Laboratory, Pacific Northwest National Laboratory, Richland, WA 99354, USA

Abstract

Due to the prominent characteristics of carbon-based luminescent nanostructures (known colloquially as carbon dots), such as inexpensive precursors, excellent hydrophilicity, low toxicity, and intrinsic fluorescence, these nanomaterials are regarded as potential candidates to replace traditional quantum dots in some applications. As such, research in the field of carbon dots has been increasing in recent years. In this mini-review, we summarize recent progress in studies of multicolor carbon dots focusing on potential photoluminescence (PL) mechanisms, strategies for effective syntheses, and applications in ion/molecule and temperature sensing, light emitting diodes and high-resolution bioimaging techniques.

This article is part of the themed collection: Recent Review Articles

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DOI: https://doi.org/10.1039/C9NR05028K
Article type: Minireview
Submitted: 13 Jun 2019
Accepted: 07 Oct 2019
First published: 15 Oct 2019

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Nanoscale, 2019,11, 20411-20428

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Synthesis, applications and potential photoluminescence mechanism of spectrally tunable carbon dots

B. Zhi, X. Yao, Y. Cui, G. Orr and C. L. Haynes, Nanoscale, 2019, 11, 20411 DOI: 10.1039/C9NR05028K

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Synthesis, applications and potential photoluminescence mechanism of spectrally tunable carbon dots

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Synthesis, applications and potential photoluminescence mechanism of spectrally tunable carbon dots

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