期刊
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
卷 222, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.saa.2019.117141
关键词
N, Zn-CDs; Photoluminescence; Fe3+ sensor; Temperature detection; Real sample analysis
类别
资金
- Kunming University of Science and Technology Post-doctoral fund (Analysis and Testing Foundation of Kunming University of Science and Technology)
- Kunming University of Science and Technology Post-Doctoral fund
- Yunnan Province Post-Doctoral Training Fund
High photoluminescent quantum yield carbon nanomaterials doped with heteroatoms are of profound attention in various fields like bio-imaging, chemical sensors and electronics. Among all heteroatoms, zinc is one of the low toxic significant elements and also involves in various electron-transfer processes. These properties are added advantages to utilize zinc as a dopant in CDs synthesis. In this investigation, our group reports a one-step microwave digestion method to synthesize nitrogen and Zinc doped carbon dots (N, Zn-CDs). The optical properties of N, Zn-CDs were investigated using UV-Vis and fluorescence spectrophotometry and also the N, Zn-CDs structural features were studied with other characterization tools like XPS, TEM, EDX, FTIR and XRD. N, Zn-CDs inherent the appreciable photoluminescent quantum yields about 63.28%. And the synthesized N, Zn-CDs utilized for detection of Fe3+ and temperature. The observed results are promising and exhibited the detection limit of 0.027 mu M. Also, the proposed sensing system was successfully adopted for the detection of Fe3+ in the river and circulating water samples for the practical applications and satisfactory results are observed. The current synthesis methodology and sensing potential might open up a new prospect to develop potential applications in environmental monitoring. (C) 2019 Elsevier B.V. All rights reserved.
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