Synthesis of PANi nanoarrays anchored on 2D BiOCl nanoplates for photodegradation of Congo Red in visible light region

Namdarian, A. and Goljanian Tabrizi, A. and Arsalani, N. and Khataee, A. and Mohammadi, A. (2020) Synthesis of PANi nanoarrays anchored on 2D BiOCl nanoplates for photodegradation of Congo Red in visible light region. Journal of Industrial and Engineering Chemistry, 81. pp. 228-236.

Synthesis-of-PANi-nanoarrays-anchored-on-2D-BiOCl-nanoplates-for-photodegradation-of-Congo-Red-in-visible-light-region2020Journal-of-Industrial-and-Engineering-Chemistry (1).pdf

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Photocatalytic processes have attained considerable attention of late years, especially for environmental remediation. Despite extensive research in this area, the need for safer, more efficient, and cost-effective processes has encouraged researchers to develop novel photocatalysis. However, the low active surface area and narrow bandgap limit their photocatalytic performances. In the present research, the 2D BiOCl sheets were successfully synthesized by a new hydrothermal method and decorated by PANi nanoarrays through in-situ oxidative polymerization of aniline. The UV�vis diffuse-re�ectance and photoluminescence spectroscopy revealed the synergistic effects between PANi nanoarrays and 2D BiOCl by enhancing the absorption in the visible light region and reduction of bandgap down to 2.9 eV. Furthermore, the morphology analysis showed the proper decoration of PANi nanoarrays on 2D BiOCl nanoplates. The synthesized nanocomposite with different weight loadings of PANi was taken to evaluate the decolorization efficiency of it. The result exhibited an optimum value of 88.35 at 60 min irradiation under visible light in the photodegradation of Congo Red (CR). Moreover, the probable photocatalytic mechanism for degradation of CR by PANi/BiCOl photocatalyst was proposed based on the scavenger experiments. The outcomes indicated that the PANi promoted the absorption intensity of the pure BiOCl in the visible region. To that, the well-arranged array and considerably high specific surface area of PANi could encourage the transfer of electrons witch generated by the photo to 2D BiOCl substrate and repel the recombination of electron-hole pairs. © 2019 The Korean Society of Industrial and Engineering Chemistry

Item Type: Article
Additional Information: cited By 2
Uncontrolled Keywords: Aniline; Azo dyes; Chlorine compounds; Cost effectiveness; Energy gap; Light; Morphology; Nanostructures; Nickel compounds; Photocatalysts; Photoluminescence spectroscopy; Polyaniline, BiOCl; Congo red; Decolorization; Environmental remediation; High specific surface area; Photocatalytic performance; Situ oxidative polymerization; Visible light, Bismuth compounds
Subjects: QT Physiology
Depositing User: eprints admin
Date Deposited: 02 Sep 2020 07:04
Last Modified: 02 Sep 2020 07:04

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