10.1007/s40089-019-0267-5

Inorganic–organic nanohybrid of MoS2-PANI for advanced photocatalytic application

  1. Center for Nanoscience and Nanotechnology, Jamia Millia Islamia, New Delhi, 110125, IN
  2. Advanced Materials and Devices Division, CSIR-National Physical Laboratory (NPL), New Delhi, 110012, IN
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Published in Issue 2019-03-02

How to Cite

Saha, S., Chaudhary, N., Mittal, H., Gupta, G., & Khanuja, M. (2019). Inorganic–organic nanohybrid of MoS2-PANI for advanced photocatalytic application. International Nano Letters, 9(2 (June 2019). https://doi.org/10.1007/s40089-019-0267-5

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Abstract

Abstract In this work, the fabrication of MoS 2 -Polyaniline (PANI) nanocomposites, by in situ polymerization, has been described and its application as a photocatalyst for the degradation of organic pollutants such as methylene blue (MB) and 4-chlorophenol (4-CP), has been reported. The disadvantages of MoS 2 such as poor electronic conductivity and agglomeration between the nanosheets, was overcome by intercalating 2D MoS 2 layers with 1D conducting polymer, Polyaniline (PANI). The composite material was characterised by SEM, TEM, BET, XRD, FTIR, UV–Vis spectroscopy and XPS, indicating proper intercalation between MoS 2 nanosheets and PANI. Consequently, the synthesized composites were used for the degradation of MB and 4-CP, followed by kinetic investigations to determine the rate kinetics. The photoactivity of the nanocomposite is explained by the transfer of photogenerated electrons from PANI to the CB of MoS 2 , thus preventing the direct recombination of electrons and holes. Hence, a positive synergistic effect between MoS 2 and PANI resulted in efficient photocatalytic degradation of organic dyes like MB.

Keywords

  • Hydrothermal,
  • MoS2-PANI hybrid,
  • Photocatalysis,
  • Pseudo first order rate kinetics

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