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A chemiluminescence resonance energy transfer for the determination of indolyl acetic acid using luminescent nitrogen-doped carbon dots as acceptors

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Abstract

A chemiluminescence resonance energy transfer (CRET) method was fabricated for the determination of indolyl acetic acid (IAA) by using Ce(IV)–Na2SO3 in a chemiluminescence (CL) reaction as the donor and luminescent nitrogen-doped carbon dots (N-CDs) as the acceptor. The CL intensity from the redox reaction of Ce(IV) and Na2SO3 in acidic medium increased significantly in the presence of N-CDs because the absorption band of N-CDs perfectly overlapped with the luminescence spectra of excited SO2 from the reaction of Ce(IV)–Na2SO3. Further, IAA was observed to inhibit the CL signal of the N-CDs–Ce(IV)–Na2SO3 system, which made it applicable for the determination of IAA. The linear range was 2.0 × 10−8–1.0 × 10−6 mol L−1 and the detection limit was 5.6 × 10−9 mol L−1. This work is not only of importance for gaining a better understanding of the unique optical and physical chemistry properties of doping carbon dots with heteroatoms but also has great potential to find CL applications in many fields.

Graphical abstract: A chemiluminescence resonance energy transfer for the determination of indolyl acetic acid using luminescent nitrogen-doped carbon dots as acceptors

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Publication details

The article was received on 01 Nov 2017, accepted on 17 Nov 2017 and first published on 20 Nov 2017


Article type: Paper
DOI: 10.1039/C7NJ04215A
Citation: New J. Chem., 2018, Advance Article
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    A chemiluminescence resonance energy transfer for the determination of indolyl acetic acid using luminescent nitrogen-doped carbon dots as acceptors

    Y. Liu and S. Han, New J. Chem., 2018, Advance Article , DOI: 10.1039/C7NJ04215A

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