Issue 18, 2022

Template synthesis of dual-functional porous MoS2 nanoparticles with photothermal conversion and catalytic properties

Abstract

Advanced catalysis triggered by photothermal conversion effects has aroused increasing interest due to its huge potential in environmental purification. In this work, we developed a novel approach to the fast degradation of 4-nitrophenol (4-Nip) using porous MoS2 nanoparticles as catalysts, which integrate the intrinsic catalytic property of MoS2 with its photothermal conversion capability. Using assembled polystyrene-b-poly(2-vinylpyridine) block copolymers as soft templates, various MoS2 particles were prepared, which exhibited tailored morphologies (e.g., pomegranate-like, hollow, and open porous structures). The photothermal conversion performance of these featured particles was compared under near-infrared (NIR) light irradiation. Intriguingly, when these porous MoS2 particles were further employed as catalysts for the reduction of 4-Nip, the reaction rate constant was increased by a factor of 1.5 under NIR illumination. We attribute this catalytic enhancement to the open porous architecture and light-to-heat conversion performance of the MoS2 particles. This contribution offers new opportunities for efficient photothermal-assisted catalysis.

Graphical abstract: Template synthesis of dual-functional porous MoS2 nanoparticles with photothermal conversion and catalytic properties

Supplementary files

Article information

Article type
Paper
Submitted
22 2 2022
Accepted
29 3 2022
First published
05 4 2022
This article is Open Access
Creative Commons BY license

Nanoscale, 2022,14, 6888-6901

Template synthesis of dual-functional porous MoS2 nanoparticles with photothermal conversion and catalytic properties

X. Pan, R. M. Sarhan, Z. Kochovski, G. Chen, A. Taubert, S. Mei and Y. Lu, Nanoscale, 2022, 14, 6888 DOI: 10.1039/D2NR01040B

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