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Effects of pyridine-like and pyrrolic-like nitrogen on the photoluminescence blue-shift of nitrogen-doped graphene oxide quantum dots
Chen, Junxin1,2; Xu, Xiaofen1,2; Ma, Yuqiu1,2; Qin, Haijun1,2; Liu, Jun1,2; Lv, Fengzhen1,2; Zhu, Changming1,2; Wang, Liguang1,2; Long, Lizhen1,2; Liu, Fuchi1,2; Yang, Yong1,2,3; Kong, Wenjie1,2
2021-07-01
Source PublicationJOURNAL OF LUMINESCENCE
ISSN0022-2313
Corresponding AuthorLiu, Fuchi(liufuchi@gxnu.edu.cn) ; Yang, Yong(yyanglab@issp.ac.cn) ; Kong, Wenjie(wkong@gxnu.edu.cn)
AbstractMaterials with tunable photoluminescence (PL) are highly desirable. It can lead to important applications such as photodetectors, bio-imaging, and broadband modulators. In this work, nitrogen-doped graphene oxide quantum dots (NGOQDs) were synthesized by hydrothermal method. The microstructures as well as optical properties of NGOQDs were studied. The as-prepared NGOQDs present tunable PL and exhibit a maximal PL blue-shift of ca. 88 nm compared to that of the graphene oxide quantum dots (GOQDs). The observed PL blue-shift of the NGOQDs is attributed to the high content of pyridine-like and pyrrolic-like nitrogen atoms doping in the NGOQDs. Our proposed mechanism for the PL blue-shift of the NGOQDs is supported by density functional theory (DFT) calculations.
KeywordPhotoluminescence Blue-shift Pyridine-like nitrogen Pyrrolic-like nitrogen Graphene oxide quantum dots
DOI10.1016/j.jlumin.2021.117983
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China, China[11664003] ; National Natural Science Foundation of China, China[11474285] ; Natural Science Foundation of Guangxi Province, China[2015GXNSFAA139015] ; Natural Science Foundation of Guangxi Province, China[2018GXNSFBA281073] ; Natural Science Foundation of Guangxi Province, China[2018GXNSFAA294021] ; Scientific Research and Technology Development Program of Guilin, China[2016012002] ; Innovation Project of Guangxi Graduate Education, China[YCSW2020099]
Funding OrganizationNational Natural Science Foundation of China, China ; Natural Science Foundation of Guangxi Province, China ; Scientific Research and Technology Development Program of Guilin, China ; Innovation Project of Guangxi Graduate Education, China
WOS Research AreaOptics
WOS SubjectOptics
WOS IDWOS:000641454800006
PublisherELSEVIER
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.hfcas.ac.cn:8080/handle/334002/121977
Collection中国科学院合肥物质科学研究院
Corresponding AuthorLiu, Fuchi; Yang, Yong; Kong, Wenjie
Affiliation1.Guangxi Normal Univ, Coll Phys & Technol, Guilin 541004, Peoples R China
2.Guangxi Normal Univ, Guangxi Key Lab Nucl Phys & Technol, Guilin 541004, Peoples R China
3.Chinese Acad Sci, Inst Solid State Phys, Key Lab Mat Phys, Hefei 230031, Peoples R China
Recommended Citation
GB/T 7714
Chen, Junxin,Xu, Xiaofen,Ma, Yuqiu,et al. Effects of pyridine-like and pyrrolic-like nitrogen on the photoluminescence blue-shift of nitrogen-doped graphene oxide quantum dots[J]. JOURNAL OF LUMINESCENCE,2021,235.
APA Chen, Junxin.,Xu, Xiaofen.,Ma, Yuqiu.,Qin, Haijun.,Liu, Jun.,...&Kong, Wenjie.(2021).Effects of pyridine-like and pyrrolic-like nitrogen on the photoluminescence blue-shift of nitrogen-doped graphene oxide quantum dots.JOURNAL OF LUMINESCENCE,235.
MLA Chen, Junxin,et al."Effects of pyridine-like and pyrrolic-like nitrogen on the photoluminescence blue-shift of nitrogen-doped graphene oxide quantum dots".JOURNAL OF LUMINESCENCE 235(2021).
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