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Separations
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Adsorption and Solar-Powered Decomposition for Removing Pollutants
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Adsorption and Solar-Powered Decomposition for Removing Pollutants

A special issue of Separations (ISSN 2297-8739). This special issue belongs to the section "Environmental Separations".

Deadline for manuscript submissions: 31 August 2024 | Viewed by 808

Special Issue Editor

Dr. Xingming Ning

E-Mail Website
Guest Editor
Shaanxi Key Laboratory for Advanced Energy Devices, Shaanxi Engineering Laboratory for Advanced Energy Technology, School of Materials Science and Engineering, Shaanxi Normal University, Xi’an 710119, China
Interests: solar energy drives catalytic reactions; water splitting; environmental decomposition; interface regulation; construction of functional organic-inorganic materials; oxidation of small organic molecules

Special Issue Information

Dear Colleagues,

The aggravating environmental problems from industrial production have gravely affected people's lives, along with severely damaging the ecological environment, thereby indicating the dire need to efficiently remove existing pollutants. Among the separation processes, adsorption and solar-powered decomposition is a promising techniques for removing a wide range of organic pollutants such as pesticides, herbicides, dyes, antibiotics, micropollutants, etc.

We cordially invite you to submit your manuscripts (original research, communications, perspectives and reviews) to this Special Issue, ‘Adsorption and Solar-Powered Decomposition for Removing Pollutants.’ Areas within our scope include but are not limited to, adsorption decomposition processes for applied solar energy, design of adsorption materials, electrochemical separation and decomposition methods, separation and decomposition technology for new materials, as well as mechanisms of adsorption and decomposition.

Dr. Xingming Ning
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Separations is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • organic pollutants
  • adsorption decomposition
  • solar energy
  • electrochemical separations
  • separation and decomposition technology
  • ecological environment purification

Published Papers (1 paper)

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Research

13 pages, 3922 KiB  
Article
Modulating Interfacial Charge Transfer Behavior through the Construction of a Hetero-Interface for Efficient Photoelectrochemical Water Splitting
by Li Xu, Jingjing Quan, Li Xu, Meihua Li, Chenglong Li, Saqib Mujtaba, Xingming Ning, Pei Chen, Qiang Weng, Zhongwei An and Xinbing Chen
Separations 2024, 11(4), 109; https://doi.org/10.3390/separations11040109 - 01 Apr 2024
Viewed by 600
Abstract
Surface-coupled transition metal oxyhydroxide (TMOOH) on semiconductor (SC)-based photoanodes are effective strategies for improving photoelectrochemical (PEC) performance. However, there is a substantial difference between the current density and theoretical value due to the inevitable interfacial charge recombination of SC/TMOOH. Here, we employ BiVO [...] Read more.
Surface-coupled transition metal oxyhydroxide (TMOOH) on semiconductor (SC)-based photoanodes are effective strategies for improving photoelectrochemical (PEC) performance. However, there is a substantial difference between the current density and theoretical value due to the inevitable interfacial charge recombination of SC/TMOOH. Here, we employ BiVO4/FeNiOOH as a model, constructing the BiVO4/MnOx/CoOx/FeNiOOH integrated system by introducing a novel hetero-interface regulation unit, i.e., MnOx/CoOx. As expected, the optimized integrated system demonstrates a photocurrent density as high as 5.0 mA/cm2 at 1.23 V versus the reversible hydrogen electrode (RHE) under 1 sun AM 1.5G illumination, accompanied by 12-h stability. The detailed electrochemical analysis and intensity modulated photocurrent spectroscopy (IMPS) have confirmed that the high PEC performance mainly originates from the hetero-interface structure, which not only suppresses the interfacial charge recombination by accelerating the photogenerated hole transfer kinetics from BiVO4 to FeNiOOH but promotes the kinetics of surface oxygen evolution reaction (OER). Notably, these findings can also be extended to other structures (CeOx/CoOx), reflecting its universality. This finding has provided a new insight into the highly efficient solar energy conversion in the SC/TMOOH system. Full article
(This article belongs to the Special Issue Adsorption and Solar-Powered Decomposition for Removing Pollutants)
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