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Modulation of red-light emission from carbon quantum dots in acid-based environment and the detection of chromium (III) ions

文献类型：期刊论文

作者Tang, Ju2,3; Zhang, Jin2,3; Zhang, Weizuo2,3; Xiao, Yiming2,3; Shi, Yanli2,3; Kong, Fanquan2,3; Xu, Wen1,2,3
刊名JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
出版日期2021-08-30
卷号83
ISSN号1005-0302
关键词Red emitting carbon quantum dots Photoluminescence pH sensor Chromium (III) ion detection
DOI10.1016/j.jmst.2020.11.072
通讯作者Zhang, Jin(zhangjin@ynu.edu.cn) ; Xu, Wen(wenxu_issp@aliyun.com)
英文摘要In this study, the carbon quantum dots, which can emit sharp red light (R-CQDs) under optical excitation, were synthesized via simple heat treatment of wine lees. The features of the photoluminescence (PL) emission from R-CQDs in solutions with different pH values and with metal ions were examined. The intensity of the PL emission from R-CQDs depends sensitively on the pH values of the solutions with the R-CQDs. Interestingly, the pH-response of the PL intensity is reversible and can be enhanced linearly in the pH value range from 4 to 12, indicating that the R-CQDs can be applied for the pH sensor. Furthermore, the quench of the PL emission from R-CQDs can be observed when adding chromium (III) ions into the solution with R-CQDs. This effect can be utilized for selective and quick detection of chromium (III) ions in solutions simply via the standard PL measurement. The interesting and important findings from this work can be applied to explore more practical applications of the CQDs prepared cheaply and easily. (C) 2021 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.
WOS关键词THERMAL-DECOMPOSITION ; FLUORESCENT ; PH ; GREEN ; STATE ; CARBONIZATION ; BRIGHT ; RICH
资助项目National Natural Science Foundation of China[11664044] ; National Natural Science Foundation of China[12064049] ; National Natural Science Foundation of China[U1930116] ; National Natural Science Foundation of China[U1832153] ; Department of Education of Yunnan Province[2020Y0038] ; Department of Education of Yunnan Province[2018JS010] ; Department of Education of Yunnan Province[S201910673051] ; Department of Science and Technology of Yunnan Province[2018ZI002]
WOS研究方向Materials Science ; Metallurgy & Metallurgical Engineering
语种英语
出版者JOURNAL MATER SCI TECHNOL
WOS记录号WOS:000661886200006
资助机构National Natural Science Foundation of China ; Department of Education of Yunnan Province ; Department of Science and Technology of Yunnan Province
源URL[http://ir.hfcas.ac.cn:8080/handle/334002/123884]  
专题中国科学院合肥物质科学研究院
通讯作者Zhang, Jin; Xu, Wen
作者单位1.Chinese Acad Sci, Inst Solid State Phys, Key Lab Mat Phys, HFIPS, Hefei 230031, Peoples R China
2.Yunnan Univ, Key Lab Quantum Informat Yunnan Prov, Kunming 650091, Yunnan, Peoples R China
3.Yunnan Univ, Sch Phys & Astron, Kunming 650091, Yunnan, Peoples R China
推荐引用方式
GB/T 7714		 Tang, Ju,Zhang, Jin,Zhang, Weizuo,et al. Modulation of red-light emission from carbon quantum dots in acid-based environment and the detection of chromium (III) ions[J]. JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,2021,83.
APA Tang, Ju.,Zhang, Jin.,Zhang, Weizuo.,Xiao, Yiming.,Shi, Yanli.,...&Xu, Wen.(2021).Modulation of red-light emission from carbon quantum dots in acid-based environment and the detection of chromium (III) ions.JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,83.
MLA Tang, Ju,et al."Modulation of red-light emission from carbon quantum dots in acid-based environment and the detection of chromium (III) ions".JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY 83(2021).

入库方式： OAI收割

来源：合肥物质科学研究院

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