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Aluminum-Based Surface Polymerization on Carbon Dots with Aggregation-Enhanced Luminescence
Zhao, Yunyang1; He, Bingchen1; Liu, Enshan1; Li, Jielei1; Wang, Liming1; Chen, Shi1; Chen, Yeqing2; Tan, Zhan'ao3; Ng, Kar Wei1; Wang, Shuangpeng1; Tang, Zikang1; Qu, Songnan1
2021-05-20
Source PublicationJournal of Physical Chemistry Letters
ISSN1948-7185
Volume12Issue:19Pages:4530-4536
Abstract

Aggregation-induced luminescence quenching of carbon nanodots (CDs) is the main obstacle for their applications in solid-state light emitting devices. Herein, we developed a one-step synthesis of solid-state emissive CDs with surface aluminum-based polymerization by adding AlCl3 in citric acid and urea via a microwave-heating dehydration process. Due to the strong coordination ability of Al ions with N and O atoms, considerable steric hindrance of Al-based cross-linked polymerization was introduced on the surface of the CDs, which not only avoided aggregation of the green emissive carbon cores but also facilitated efficient energy transfer from the blue emissive polymerized surface to the green emissive carbon cores in aggregates, leading to enhanced green emissions with a photoluminescence quantum yield (PLQY) of 72.7% in the solid state.

DOI10.1021/acs.jpclett.1c01240
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaChemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
WOS SubjectChemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Atomic, Molecular & Chemical
WOS IDWOS:000655640200008
Scopus ID2-s2.0-85106377776
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Cited Times [WOS]:5   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionINSTITUTE OF APPLIED PHYSICS AND MATERIALS ENGINEERING
Corresponding AuthorNg, Kar Wei; Wang, Shuangpeng; Qu, Songnan
Affiliation1.Joint Key Laboratory of the Ministry of Education, Institute of Applied Physics and Materials Engineering, University of Macau, Avenida da Universidade Taipa, 999078, Macao
2.School of Applied Physics and Materials, Wuyi University, Guangdong, Jiangmen, 529020, China
3.Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
First Author AffilicationINSTITUTE OF APPLIED PHYSICS AND MATERIALS ENGINEERING
Corresponding Author AffilicationINSTITUTE OF APPLIED PHYSICS AND MATERIALS ENGINEERING
Recommended Citation
GB/T 7714
Zhao, Yunyang,He, Bingchen,Liu, Enshan,et al. Aluminum-Based Surface Polymerization on Carbon Dots with Aggregation-Enhanced Luminescence[J]. Journal of Physical Chemistry Letters,2021,12(19):4530-4536.
APA Zhao, Yunyang,He, Bingchen,Liu, Enshan,Li, Jielei,Wang, Liming,Chen, Shi,Chen, Yeqing,Tan, Zhan'ao,Ng, Kar Wei,Wang, Shuangpeng,Tang, Zikang,&Qu, Songnan.(2021).Aluminum-Based Surface Polymerization on Carbon Dots with Aggregation-Enhanced Luminescence.Journal of Physical Chemistry Letters,12(19),4530-4536.
MLA Zhao, Yunyang,et al."Aluminum-Based Surface Polymerization on Carbon Dots with Aggregation-Enhanced Luminescence".Journal of Physical Chemistry Letters 12.19(2021):4530-4536.
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