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Issue 3, 2019
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Conjugated HCl-doped polyaniline for photocatalytic oxidative coupling of amines under visible light

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Abstract

HCl-Doped polyaniline (PANI-ES) and PANIs of different oxidation states were prepared by a typical oxidative polymerization and subsequent redox reaction, respectively. The photocatalytic performance of PANIs towards selective benzylamine oxidation reactions under visible light was investigated. PANI-ES containing a polaron structure exhibited the highest light-induced activity (54.9%). The results show that the formation of the surface complex between PANI-ES and adsorbed amine should be responsible for the enhanced visible light activity. The newly formed polaron band in PANI-ES has a greater number of delocalized electrons, which can facilitate electron transfer and thus improve the photoactivity. These results indicate that conjugated conducting polymers can be efficient visible light-responsive nonmetal photocatalysts for green synthesis.

Graphical abstract: Conjugated HCl-doped polyaniline for photocatalytic oxidative coupling of amines under visible light

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Publication details

The article was received on 04 Nov 2018, accepted on 03 Jan 2019 and first published on 03 Jan 2019


Article type: Paper
DOI: 10.1039/C8CY02280A
Citation: Catal. Sci. Technol., 2019,9, 753-761

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    Conjugated HCl-doped polyaniline for photocatalytic oxidative coupling of amines under visible light

    P. Kong, P. Liu, Z. Ge, H. Tan, L. Pei, J. Wang, P. Zhu, X. Gu, Z. Zheng and Z. Li, Catal. Sci. Technol., 2019, 9, 753
    DOI: 10.1039/C8CY02280A

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