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Luminescent Carbon Dots: Bandgap Modulation and Applications 发光碳纳米点的带隙调控及应用
张博涵1,2; 田震1,2; 李迪1; 周鼎1; 鲍鑫1,2; 周正杰1,2; 曲松楠1,3
2019-06-05
Source PublicationFaguang Xuebao/Chinese Journal of Luminescence
ISSN1000-7032
Volume40Issue:6Pages:691-712
Abstract

Carbon dots(CDots) as a novel carbon-based fluorescent nanoparticles have attracted a lot of attention due to their distinctive advantages such as tunable emission, high photostability, biocompatibility, and low cost. In the past decade, preparation and application of CDots have been made great progress. However, the accurate photoluminescence(PL) mechanisms of CDots are controversial due to the diversity of the precursor and the synthetic method. Now it is generally accepted that the optical properties of CDots originate from core state(π-π), surface edge state(n-π), molecular fluorophores or their combination. We will discuss them successively in the following part. In this review, firstly we summarize the photoluminescence origins of CDots, then discuss the methods to modulate the bandgap by particle size modification and surface structure engineering respectively. This is followed by introduction of the enhancement of PLQY. The most effective applications of CDots in optoelectronic devices, information storage, bioimaging and cancer treatment are also mentioned. This review concludes with an outlook on the development and application prospects of CDots.

KeywordBandgap Modulation Bioimaging Carbon Dot Photoluminescence Mechanisms White-light-emitting Devices
DOI10.3788/fgxb20194006.0691
URLView the original
Indexed ByEI
Scopus ID2-s2.0-85069910911
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Document TypeJournal article
CollectionUniversity of Macau
Affiliation1.State Key Laboratory of Luminescence and Applications,Changchun Institute of Optics,Fine Mechanics and Physics,Chinese Academy of Sciences,Changchun,130033,China
2.University of Chinese Academy of Sciences,Beijing,100049,China
3.Joint Key Laboratory of The Ministry of Education,Institute of Applied Physics and Materials Engineering,University of Macau,Macau,999078,Macao
Recommended Citation
GB/T 7714
张博涵,田震,李迪,等. Luminescent Carbon Dots: Bandgap Modulation and Applications 发光碳纳米点的带隙调控及应用[J]. Faguang Xuebao/Chinese Journal of Luminescence,2019,40(6):691-712.
APA 张博涵,田震,李迪,周鼎,鲍鑫,周正杰,&曲松楠.(2019).Luminescent Carbon Dots: Bandgap Modulation and Applications 发光碳纳米点的带隙调控及应用.Faguang Xuebao/Chinese Journal of Luminescence,40(6),691-712.
MLA 张博涵,et al."Luminescent Carbon Dots: Bandgap Modulation and Applications 发光碳纳米点的带隙调控及应用".Faguang Xuebao/Chinese Journal of Luminescence 40.6(2019):691-712.
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