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Journals
Photochem
Special Issues
New Trends in Metal-Doped Photocatalytic Materials
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New Trends in Metal-Doped Photocatalytic Materials

A special issue of Photochem (ISSN 2673-7256).

Deadline for manuscript submissions: closed (15 July 2023) | Viewed by 3275

Special Issue Editors

Dr. Danilo Russo

E-Mail Website1 Website2
Guest Editor
1. Department of Chemical Engineering and Biotechnology, University of Cambridge, Cambridge CB3 0AS, UK
2. Department of Chemical Engineering, Materials, and Industrial Production, University of Naples "Federico II", 80138 Napoli, Italy
Interests: advanced oxidation processes of micropollutants in aqueous solution; kinetic modeling; heterogeneous photocatalysis; continuous-flow microreactors
Special Issues, Collections and Topics in MDPI journals
Dr. Marica Muscetta

E-Mail Website
Guest Editor
Department of Chemical Engineering, Materials and Industrial Production, University of Naples Federico II, 80138 Napoli, Italy
Interests: photocatalysis; heterogeneous photocatalysis; metal recovery; leaching; photocatalytic hydrogen production; solar photoreforming; wastewater treatment
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Roberto Andreozzi

E-Mail Website
Guest Editor
Department of Chemical Engineering, Materials, and Industrial Production, University of Naples "Federico II", 80138 Napoli, Italy
Interests: photocatalysis; hydrogen storage; metal recovery; metal-based photocatalysts; sustainable energy production; circular economy; industrial safety

Special Issue Information

Dear Colleagues,

Photocatalysts represent a large class of materials used in a wide range of applications, such as industrial synthesis, drug delivery, energy storage, and wastewater treatment. However, the photocatalytic efficiency of bare photocatalysts is relatively low; metal doping is a fundamental and an effective technique used for band-gap engineering, consequently improving photocatalytic performances.

Potential topics of interest for this Special Issue include, but are not limited to, the following aspects:

  • Synthesis and characterization of novel metal-doped photocatalysts;
  • Processes intensification using metal doping;
  • Metal-doped photo-materials in wastewater and air treatment;
  • Metal-doped photocatalytic materials for sustainability;
  • Reactor and plant design for metal-doped catalysts;
  • Reviews on metal-doped photocatalysts.

Dr. Danilo Russo
Dr. Marica Muscetta
Prof. Dr. Roberto Andreozzi
Guest Editors

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. Photochem is an international peer-reviewed open access quarterly 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 1000 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

  • photocatalysis
  • metal doping
  • catalyst synthesis
  • characterization
  • wastewater treatment
  • materials
  • doping
  • sustainability
  • photocatalysts

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Published Papers (1 paper)

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Research

21 pages, 5212 KiB  
Article
Bismuth Vanadate-Nanostructured Graphite Electrodes for Rhodamine B Photoelectrochemical Degradation
by Bruna Guimarães Isecke, Arthur Saldanha Guimarães, Guilhermina Ferreira Teixeira, Flavio Colmati, Aparecido Ribeiro de Souza, Isaac Yves Lopes de Macêdo, Lucas Mattos Duarte, Sergio Botelho de Oliveira, André Gabriel Carmo Costa, Vernon Sydwill Somerset and Eric de Souza Gil
Photochem 2023, 3(1), 38-58; https://doi.org/10.3390/photochem3010003 - 13 Jan 2023
Viewed by 2594
Abstract
Electrocatalysis is a promising way to treat water contaminated by harmful organic compounds. The combination of nanoparticles supported on a conductive substrate allows degradation to occur under less energetic conditions. This work evaluated the effect of deposition of bismuth vanadate (BVO) particles on [...] Read more.
Electrocatalysis is a promising way to treat water contaminated by harmful organic compounds. The combination of nanoparticles supported on a conductive substrate allows degradation to occur under less energetic conditions. This work evaluated the effect of deposition of bismuth vanadate (BVO) particles on pencil-type graphite electrodes. BVO particles were obtained by ultrasonic irradiation with coprecipitation. Then, they were deposited on the surface of a graphite electrode by the impregnation method. A 23-design was used to optimize electrode fabrication. Matter Dispersion Spectroscopy (SEM/EDS), X-Ray Diffraction (XRD) and Dynamic Light Scattering (DLS) were used for characterization. Electrochemical characterization was performed by electrochemical impedance spectroscopy (EIS) and cyclic voltammetry (CV). The results confirmed the synthesis of BVO@C (BVO/graphite). Furthermore, BVO@C significantly increased the electroactive surface area of the electrode, decreased the electron transfer resistance, and significantly increased the electron transfer rate to a greater extent than the electrode without any modification. To prove that the performance of BVO@C is better than the pure electrode, photoelectrocatalysis (PEC) and electrocatalysis (EC) were performed in a rhodamine B (RhB) solution. The results showed that in 5 min of treatment with unmodified electrode, BVO@C EC system and BVO@C PEC system, there was degradation of 31.53%, 46.09% and 58.17% respectively, reaching 95%, 98% and 99.64%, respectively, in 30 min. The reaction rate constants were calculated and to be found k = 0.10272 m−1, k = 0.12221 m−1 and k= 0.15022 m−1 for the unmodified graphite, BVO@C EC System and BVO@C PEC system, respectively. These results demonstrate that the BVO@C electrodes are efficient for application in a wide range of treatments, including the treatment of organic pollutants. Full article
(This article belongs to the Special Issue New Trends in Metal-Doped Photocatalytic Materials)
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