Photocatalytic Removal of Dyes

A special issue of Catalysts (ISSN 2073-4344). This special issue belongs to the section "Photocatalysis".

Deadline for manuscript submissions: closed (30 April 2022) | Viewed by 3282

Special Issue Editor

Department of Materials Science and Engineering, National Cheng Kung University, Tainan 70101, Taiwan
Interests: functional nanomaterials and devices; photocatalysts; metamaterials; semiconductor processing; solar cells; optical sensing
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Contaminated water from industrial dyes is a growing environmental concern. Among different wastewater pollutants, organic dyes are recognized as dominant contaminants that can cause serious health hazards even when their concentrations are low. In this regard, the key to a successful photocatalysis process is employing a suitable photocatalytic material that leads to the complete mineralization of dyes to environmental benign CO2, H2O, nitrates, etc. In addition, high photocatalytic activity, stability, low cost, and nontoxicity are essential for photocatalysts.

This Special Issue aims to cover the most recent progress and advances in the field of photocatalytic study correlated with materials, processes, and functional applications. This includes, but is not limited to, the synthesis and characterizations of heterostructure photocatalysts, understanding of the photocatalytic mechanism, reliability of dye degradation, and the employment of new technology for the removal of organic dyes.
 
Prof. Dr. Chia-Yun Chen
Guest Editor

Manuscript Submission Information

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Keywords

  • photocatalysts
  • organic dyes
  • kinetic study
  • dye degradation

Published Papers (1 paper)

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Research

13 pages, 1735 KiB  
Article
Optical Management of CQD/AgNP@SiNW Arrays with Highly Efficient Capability of Dye Degradation
Catalysts 2021, 11(3), 399; https://doi.org/10.3390/catal11030399 - 22 Mar 2021
Cited by 9 | Viewed by 2498
Abstract
The facile synthetic method for the preparation of incorporated carbon quantum dots (CQDs)/Ag nanoparticles (AgNPs) with well-aligned silicon nanowire (SiNW) arrays is demonstrated, offering the superior photodegradation capabilities covering UV to visible wavelength regions. By examining the morphology, microstructure, crystallinity, chemical feature, surface [...] Read more.
The facile synthetic method for the preparation of incorporated carbon quantum dots (CQDs)/Ag nanoparticles (AgNPs) with well-aligned silicon nanowire (SiNW) arrays is demonstrated, offering the superior photodegradation capabilities covering UV to visible wavelength regions. By examining the morphology, microstructure, crystallinity, chemical feature, surface groups, light-emitting, and reflection characteristics, these hybrid heterostructures are systematically identified. Moreover, the involving degradation kinetics, band diagram, cycling capability, and underlying mechanism of photodegradation are investigated, validating their remarkable and reliable photocatalytic performances contributed from the strongly reduced light reflectivity, superior capability of charge separation, and sound wettability with dye solutions. Full article
(This article belongs to the Special Issue Photocatalytic Removal of Dyes)
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