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- E-ISSN 2288-8985
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Detection of Al3+ by fluorescent turn-on nitrogen/sulphur-binary doped carbon dots
Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
2023, v.36 no.4, pp.161-169
https://doi.org/10.5806/AST.2023.36.4.161
(Department of Environmental Science, University of Mataram)
(Department of Applied Chemistry, Chaoyang University of Technology)
(Department of Physics, National Chung Cheng University)
(Department of Applied Chemistry, Chaoyang University of Technology)
(Department of Physics, National Chung Cheng University)
Siti,
R.
K.
, Chang-Nan,
C.
, &
Tai-Huei,
W.
(2023). Detection of Al3+ by fluorescent turn-on nitrogen/sulphur-binary doped carbon dots. Analytical Science and Technology, 36(4), 161-169, https://doi.org/10.5806/AST.2023.36.4.161
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Abstract
In this study, a straightforward and precise nitrogen/sulphur-codoped carbon dots (N/S-CD) was produced using a microwave irradiation approach. The N/S-CD was formulated from succinic acid (SA), bis- (3-aminopropyl)-amine (BAPA), and sodium thiosulphate (STS) as sources of carbon, nitrogen, and sulphur, respectively. The synthesized N/S-CD established a valuable quantum yield (QY) of 70 % and was sensitive to aluminium ion (Al3+) with a detection limit of 0.21 μM and a linear concentration range of 0-100 μM. When detecting Al3+ in real water samples, the N/S-CD resulted in a satisfactory recovery in the range of 91.14 %- 103.37 %. Thus, the proposed study is very promising for Al3+ detection in environmental water samples.
- keywords
- carbon dots, microwave, aluminium ion, water samples
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