A Novel Ratiometric Probe Based on Nitrogen-Doped Carbon Dots and Rhodamine B Isothiocyanate for Detection of Fe3+ in Aqueous Solution
Joint Authors
Han, Heyou
Liu, Lin
Chen, Lu
Liu, Lingzhi
Liang, Jiangong
Source
Journal of Analytical Methods in Chemistry
Issue
Vol. 2016, Issue 2016 (31 Dec. 2016), pp.1-7, 7 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2016-03-16
Country of Publication
Egypt
No. of Pages
7
Main Subjects
Abstract EN
A ratiometric probe for determining ferric ions (Fe3+) was developed based on nitrogen-doped carbon dots (CDs) and rhodamine B isothiocyanate (RhB), which was then applied to selective detection of Fe3+ in PB buffer solution, lake water, and tap water.
In the sensing system, FePO4 particles deposit on the surface of CDs, resulting in larger particles and surface passivation.
The fluorescence (FL) intensity and the light scattering (LS) intensity of CDs can be gradually enhanced with the addition of Fe3+, while the FL intensity of RhB remains constant.
The ratiometric light intensity of CDs LS and RhB FL was quantitatively in response to Fe3+ concentrations in a dynamic range of 0.01–1.2 μM, with a detection limit as low as 6 nM.
Other metal ions, such as Fe2+, Al3+, K+, Ca2+, and Co2+, had no significant interference on the determination of Fe3+.
Compared with traditional probes based on single-signal probe for Fe3+ detection, this dual-signal-based ratiometric probe exhibits a more reliable and stable response on target concentration and is characterized by easy operation in a simple fluorescence spectrophotometer.
American Psychological Association (APA)
Liu, Lin& Chen, Lu& Liang, Jiangong& Liu, Lingzhi& Han, Heyou. 2016. A Novel Ratiometric Probe Based on Nitrogen-Doped Carbon Dots and Rhodamine B Isothiocyanate for Detection of Fe3+ in Aqueous Solution. Journal of Analytical Methods in Chemistry،Vol. 2016, no. 2016, pp.1-7.
https://search.emarefa.net/detail/BIM-1107322
Modern Language Association (MLA)
Liu, Lin…[et al.]. A Novel Ratiometric Probe Based on Nitrogen-Doped Carbon Dots and Rhodamine B Isothiocyanate for Detection of Fe3+ in Aqueous Solution. Journal of Analytical Methods in Chemistry No. 2016 (2016), pp.1-7.
https://search.emarefa.net/detail/BIM-1107322
American Medical Association (AMA)
Liu, Lin& Chen, Lu& Liang, Jiangong& Liu, Lingzhi& Han, Heyou. A Novel Ratiometric Probe Based on Nitrogen-Doped Carbon Dots and Rhodamine B Isothiocyanate for Detection of Fe3+ in Aqueous Solution. Journal of Analytical Methods in Chemistry. 2016. Vol. 2016, no. 2016, pp.1-7.
https://search.emarefa.net/detail/BIM-1107322
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1107322