Journal
OPTICAL MATERIALS
Volume 77, Issue -, Pages 258-263Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.optmat.2018.01.048
Keywords
Carbon quantum dots; Vitamin B1; Sensing; Fe3+ ion
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Funding
- National Natural Science Foundation of China [21601142, 20902071]
- Natural Science Foundation of Hubei Province [2017CFB689]
- Wuhan Science and Technology Talent Training Program of Chenguang Project [2015070404010190]
- Key Project of Scientific Research Project of Hubei Provincial Department of Education [D20141506]
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Carbon quantum dots (CQDs) are remarkable nanomaterials due to their promising excellent properties. Herein, a facile, economical and straight forward hydrothermal strategy has been developed to prepare fluorescent sulfur-doped carbon quantum dots from Vitamin B1. The as-prepared B1-CQDs have an average size of 3.2 nm and exhibit excitation-dependent PL behavior with a fluorescence quantum yield of 4.4%. Furthermore, the B1-CQDs could be applied as an efficient fluorescent probe for sensitively and selectively detection of Fe3+ with the detection limit as low as 177 nM. (C) 2018 Elsevier B.V. All rights reserved.
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