Upconversion nanoparticles/carbon dots (UCNPs@CDs) composite for simultaneous detection and speciation of divalent and trivalent iron ions
Sun, Yi-Lin1; Zhang, Xiao-Ping1; Zhao, Chen-Xi1; Liu, Xiangju2; Shu, Yang1; Wang, Jian-Hua1; Liu, Nazhen2
2021-10-23
发表期刊ANALYTICA CHIMICA ACTA
ISSN0003-2670
卷号1183页码:7
通讯作者Wang, Jian-Hua(jianhuajrz@mail.neu.edu.cn) ; Liu, Nazhen(liunazhen@qdio.ac.cn)
摘要In this study, the application of carbon dots (CDs) modified NaYF4:Yb, Er nanoparticles (UCNPs@CDs) as the fluorescent nanoprobe for simultaneous detection of Fe2+ and Fe3+ was investigated. Fe3+ quanti-fication (5-80 mu mol L-1) was achieved, as a result of Fe3+ induced fluorescence quenching of UCNPs@CDs at 434 nm (under the 336 nm excitation). The chelate (Fe2+-phen) formed by Fe2+ and 1,10-phenanthroline had a broad absorption centered at 510 nm, due to inner filter effect (IFE), Fe2+ quantification (4-120 mu mol L-1) was achieved as a result of (Fe2+-phen) induced fluorescence quenching of UCNPs@CDs at 545 nm (under the 980 nm excitation). The resultant UCNPs@CDs probe, with excellent anti-interference capability, favorable fluorescence stability, and convincing performance in real sample analysis, showed promising application in simultaneous detection of Fe2+ and Fe3+. (C) 2021 Elsevier B.V. All rights reserved.
关键词Simultaneous detection Speciation Fe2+ Fe3+ Composite nanomaterials
DOI10.1016/j.aca.2021.338973
收录类别SCI
语种英语
资助项目National Natural Science Foundation of China[21974018] ; National Natural Science Foundation of China[21727811] ; National Natural Science Foundation of China[22074011] ; Fundamental Research Funds for the Central Univer-sities[N2005015] ; Fundamental Research Funds for the Central Univer-sities[N2005027] ; Liaoning Revitalization Tal-ents Program[XLYC1907191] ; Liaoning Revitalization Tal-ents Program[XLYC1802016]
WOS研究方向Chemistry
WOS类目Chemistry, Analytical
WOS记录号WOS:000692331500016
出版者ELSEVIER
引用统计
被引频次:6[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/176243
专题海洋环境腐蚀与生物污损重点实验室
通讯作者Wang, Jian-Hua; Liu, Nazhen
作者单位1.Northeastern Univ, Dept Chem, Coll Sci, Shenyang 110819, Peoples R China
2.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Environm Corros & Biofouling, Qingdao 266071, Peoples R China
通讯作者单位中国科学院海洋研究所
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GB/T 7714
Sun, Yi-Lin,Zhang, Xiao-Ping,Zhao, Chen-Xi,et al. Upconversion nanoparticles/carbon dots (UCNPs@CDs) composite for simultaneous detection and speciation of divalent and trivalent iron ions[J]. ANALYTICA CHIMICA ACTA,2021,1183:7.
APA Sun, Yi-Lin.,Zhang, Xiao-Ping.,Zhao, Chen-Xi.,Liu, Xiangju.,Shu, Yang.,...&Liu, Nazhen.(2021).Upconversion nanoparticles/carbon dots (UCNPs@CDs) composite for simultaneous detection and speciation of divalent and trivalent iron ions.ANALYTICA CHIMICA ACTA,1183,7.
MLA Sun, Yi-Lin,et al."Upconversion nanoparticles/carbon dots (UCNPs@CDs) composite for simultaneous detection and speciation of divalent and trivalent iron ions".ANALYTICA CHIMICA ACTA 1183(2021):7.
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