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All Journal Molekul: Jurnal Ilmiah Kimia
Wei, Tai-Huei
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Biochemistry, Genetics & Molecular Biology Chemistry Materials Science & Nanotechnology

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Fluorescent Turn-off Probe of Ni2+ Based Nitrogen-Doped Carbon Dots Kamali, SIti Raudhatul; Chen, Chang-Nan; Agrawal, Dinesh Chandra; Wei, Tai-Huei
Molekul Vol 19 No 2 (2024)
Publisher : Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.jm.2024.19.2.9964

Abstract

ABSTRACT: An effective and facile method of generating nitrogen-doped carbon dots (N-CD) by microwave irradiation is presented in this study. A precursor, succinic acid (SA), and a nitrogen source, bis-(3-aminopropyl)-amine (BAPA), were used to obtain N-CD. A precious quantum yield (QY) of 49.0% was obtained from the preparation of N-CD, which was well-soluble in water. The N-CD material was highly selective and sensitive for the detection of nickel ion (Ni2+), with a detection limit of 0.26 μM and a linear concentration range of 5-175 μM. The quenching of the N-CD by the presence of Ni2+ was referred to formation of complexes because of the interaction of Ni2+ on the N-CD. Hence, the proposed study has great promise regarding Ni2+ detection in broad applications. Keywords: Microwave, Ni2+, nitrogen-doped carbon dots.
Co-Authors Agrawal, Dinesh Chandra Chen, Chang-Nan Siti Raudhatul Kamali