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Issue 31, 2014
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N-doped graphene quantum dots as an effective photocatalyst for the photochemical synthesis of silver deposited porous graphitic C3N4 nanocomposites for nonenzymatic electrochemical H2O2 sensing

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Abstract

In this work, nitrogen-doped graphene quantum dots (N-GQDs) were proved to be an efficient photocatalyst for photochemical synthesis of Ag nanoparticle loaded porous graphitic C3N4 (p-g-C3N4) for the first time. The Ag nanoparticles were well-formed in high yield and closely anchored at the surface of p-g-C3N4 with uniform size distribution. Importantly, the as-prepared Ag/p-g-C3N4 nanocomposites exhibited excellent catalytic activity towards electrocatalytic reduction of hydrogen peroxide (H2O2). The cyclic voltammetry and amperometry results show that the sensor of the as-prepared Ag/p-g-C3N4 composite exhibits excellent analytical response to H2O2 with fast response, wide linear range and low detection limit.

Graphical abstract: N-doped graphene quantum dots as an effective photocatalyst for the photochemical synthesis of silver deposited porous graphitic C3N4 nanocomposites for nonenzymatic electrochemical H2O2 sensing

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Publication details

The article was received on 21 Jan 2014, accepted on 24 Mar 2014 and first published on 25 Mar 2014


Article type: Paper
DOI: 10.1039/C4RA00601A
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Citation: RSC Adv., 2014,4, 16163-16171

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    N-doped graphene quantum dots as an effective photocatalyst for the photochemical synthesis of silver deposited porous graphitic C3N4 nanocomposites for nonenzymatic electrochemical H2O2 sensing

    D. Jiang, Y. Zhang, H. Chu, J. Liu, J. Wan and M. Chen, RSC Adv., 2014, 4, 16163
    DOI: 10.1039/C4RA00601A

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