CIOMP OpenIR
Ultra-Sensitive water detection based on NaErF4@NaYF4 high-level-doping upconversion nanoparticles
J. Zuo; W. Wang; D. X. Zhang; X. K. Wang; Y. L. Ma; P. T. Li; Y. F. Li; W. Sun; Y. L. Zhang; L. P. Tu; Y. L. Chang; Q. Q. Li and H. Zhang
2022
Source PublicationApplied Surface Science
ISSN0169-4332
Volume575Pages:7
AbstractWater-sensitive detection plays a vital role in our society and life, such as the chemical industry, environmental monitoring, and food inspection. In this work water sensitivity as high as 5 ppm (0.0005 vol%) is realized based on a novel upconversion nanophosphor. Different from the popularly employed low-doping strategies, an efficient high-level-doping nanostructure, i.e., NaErF4@NaYF4, is tailored for the desired upconversion emission, resulting in more than one order of magnitude enhancement of the sensitivity compared to the record of the low-doped counterparts. The superiority of this structure is determined to come from the robust interactions between the Er3+ ions and the water molecules adsorbed on the particle surface. This design offers a new strategy of nanophosphor structures for ultrasensitive water sensing and sheds light on further optimization of nanophosphor based sensors.
DOI10.1016/j.apsusc.2021.151701
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Indexed Bysci ; ei
Language英语
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Document Type期刊论文
Identifierhttp://ir.ciomp.ac.cn/handle/181722/67213
Collection中国科学院长春光学精密机械与物理研究所
Recommended Citation
GB/T 7714
J. Zuo,W. Wang,D. X. Zhang,et al. Ultra-Sensitive water detection based on NaErF4@NaYF4 high-level-doping upconversion nanoparticles[J]. Applied Surface Science,2022,575:7.
APA J. Zuo.,W. Wang.,D. X. Zhang.,X. K. Wang.,Y. L. Ma.,...&Q. Q. Li and H. Zhang.(2022).Ultra-Sensitive water detection based on NaErF4@NaYF4 high-level-doping upconversion nanoparticles.Applied Surface Science,575,7.
MLA J. Zuo,et al."Ultra-Sensitive water detection based on NaErF4@NaYF4 high-level-doping upconversion nanoparticles".Applied Surface Science 575(2022):7.
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