Synthesis of carbon quantum dots from Broccoli and their ability to detect silver ions
- Authors
- Arumugam, Nandhini; Kim, Jongsung
- Issue Date
- 15-May-2018
- Publisher
- ELSEVIER SCIENCE BV
- Keywords
- Carbon quantum dots; Broccoli; Environment; Heavy metal; Silver ion detection
- Citation
- MATERIALS LETTERS, v.219, pp.37 - 40
- Journal Title
- MATERIALS LETTERS
- Volume
- 219
- Start Page
- 37
- End Page
- 40
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/3765
- DOI
- 10.1016/j.matlet.2018.02.043
- ISSN
- 0167-577X
- Abstract
- Carbon quantum dots (CQDs) are promising nanomaterials with various industrial applications, including metal ion detection. Herein, a simple, green, and low-cost strategy was developed for the synthesis of fluorescent water-soluble CQDs for selective detection of Ag+ via one-step hydrothermal treatment of edible green plant, Broccoli. The functional group composition, morphology, and pH stability of the synthesized CQDs were investigated. In this study, the silver ions quenched the PL of the CQDs more strongly than other heavy metals, with a limit of detection (LOD) of 0.5 mu M, which indicates that the synthesized CQDs can be effectively used as an Ag+ sensing tool. (C) 2018 Published by Elsevier B.V.
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Collections - 공과대학 > 화공생명공학과 > 1. Journal Articles
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