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Microwave-assisted: In situ large scale synthesis of a carbon dots@g-C3N4 composite phosphor for white light-emitting devices
Li Meng1,2; Elena V. Ushakova3; Zhengjie Zhou1,2; Enshan Liu4; Di Li1; Ding Zhou1; Zhanao Tan5; Songnan Qu4; Andrey L. Rogach3,6
2019-12-24
Source PublicationMaterials Chemistry Frontiers
ISSN2052-1537
Volume4Issue:2Pages:517-523
Other Abstract

Sustainable, environment-friendly phosphors produced from cheap and readily available precursor materials using green preparation processes are in high demand for lighting applications. Herein, a composite phosphor comprising carbon dots (CDs) and graphitic carbon nitride (g-CN) is prepared on a large scale from citric acid and urea in water, through a green microwave assisted in situ heating method. An optimized CDs@g-CN composite with a 1 wt% loading of CDs shows a strong green emission under 410 nm excitation, with a photoluminescence quantum yield of 62% in the solid state. Using this composite as a phosphor in the color conversion layer, a white light emitting diode with a power efficiency of up to 42 lm W is fabricated.

DOI10.1039/c9qm00659a
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaChemistry ; Materials Science
WOS SubjectChemistry, Multidisciplinary ; Materials Science, Multidisciplinary
WOS IDWOS:000513242900013
Scopus ID2-s2.0-85079405967
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Cited Times [WOS]:7   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionINSTITUTE OF APPLIED PHYSICS AND MATERIALS ENGINEERING
Corresponding AuthorSongnan Qu
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.Center of Information Optical Technologies,ITMO University,Saint-Petersburg,197101,Russian Federation
4.Joint Key Laboratory of the Ministry of Education,Institute of Applied Physics and Materials Engineering,University of Macau,Taipa,Macao
5.Beijing Advanced Innovation Center for Soft Matter Science and Engineering,Beijing University of Chemical Technology,Beijing,100029,China
6.Department of Materials Science and Engineering,Centre for Functional Photonics,City University of Hong Kong,Kowloon,83 Tat Chee Avenue,Hong Kong
Corresponding Author AffilicationINSTITUTE OF APPLIED PHYSICS AND MATERIALS ENGINEERING
Recommended Citation
GB/T 7714
Li Meng,Elena V. Ushakova,Zhengjie Zhou,et al. Microwave-assisted: In situ large scale synthesis of a carbon dots@g-C3N4 composite phosphor for white light-emitting devices[J]. Materials Chemistry Frontiers,2019,4(2):517-523.
APA Li Meng,Elena V. Ushakova,Zhengjie Zhou,Enshan Liu,Di Li,Ding Zhou,Zhanao Tan,Songnan Qu,&Andrey L. Rogach.(2019).Microwave-assisted: In situ large scale synthesis of a carbon dots@g-C3N4 composite phosphor for white light-emitting devices.Materials Chemistry Frontiers,4(2),517-523.
MLA Li Meng,et al."Microwave-assisted: In situ large scale synthesis of a carbon dots@g-C3N4 composite phosphor for white light-emitting devices".Materials Chemistry Frontiers 4.2(2019):517-523.
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