Journal
MICROCHIMICA ACTA
Volume 185, Issue 11, Pages -Publisher
SPRINGER WIEN
DOI: 10.1007/s00604-018-3049-2
Keywords
Trinitrophenol; Nitroaromatic explosive; Synthesis; Quantum yield; Environmental analysis; Enhancement; Inner filter effect; Water sample
Categories
Funding
- National Natural Science Foundation of China [81773684, 21505053, 21675158]
- Guangdong Natural Science Funds for Distinguished Young Scholars [2018B030306033]
- Pearl River S&T Nova Program of Guangzhou [201806010060]
- Science and Technology Planning Project of Guangdong Province, China [2016A030310089]
- Medical Scientific Research Foundation of Guangdong Province of China [A2018133]
- Fundamental Research Funds for the Central Universities [21618407]
- Basic Research Project of Knowledge Innovation Program of Shenzhen City [JCYJ20160229165250876]
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This paper describes the synthesis of fluorescent copper nanoclusters (CuNC) with a fluorescence quantum yield as high as 2.3% after modification with cysteamine. The modified CuNC are shown to be viable probes for the determination of picric acid (PA). Fluorescence drops with increasing concentration of PA Which can be detected fluorometrically with a 0.14 mu Mlimit of detection. This is much lower than required by the People's Republic of China Surface Water Environmental Quality Standard (2.2 mu M). The probe was successfully applied to the determination of PA in spiked tap water, lake water and river water.
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