Porous Materials for Photocatalysis

A special issue of Surfaces (ISSN 2571-9637).

Deadline for manuscript submissions: closed (30 September 2024) | Viewed by 1704

Special Issue Editors


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Guest Editor
School of Mechanical Smart and Industrial Engineering, Gachon University, 1342 Seongnam-daero, Seongnam-si, Republic of Korea
Interests: photocatalyst; polymer; CO2 capture; energy

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Guest Editor
Department of Applied Chemistry, Konkuk University, Chungju 27478, Republic of Korea
Interests: nanomaterials; energy conversion and storage; electrochemistry; biosensors; electrocatalysis
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Special Issue Information

Dear Colleagues,

The aims of this Special Issue are to explore photocatalytic processes across domains like energy generation, pollutant reduction, plastic degradation, water splitting, and VOC elimination; focus on wastewater pollutant breakdown for valuable organic product creation, advanced CO2 conversion, and NOX/SO2 removal through photocatalysis; develop advanced materials with defect engineering (anions, cations, surfaces, and interfaces) in compounds like oxides, sulfides, composites, and carbon nitrides; and tailor catalysts by tuning parameters of nanomaterials like crystallite dimensions, surface area, pore structure, and volume. With your expertise in surface science, photochemistry, and materials engineering for green energy and environmental breakthroughs, we would appreciate it if you would join our Special Issue by contributing your insights, research, and impactful results.

Dr. Gazi A. K. M. Rafiqul Bari
Dr. Md. Mahbubur Rahman
Guest Editors

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Keywords

  • photocatalysis
  • nanomaterials
  • carbon capture, utilization, and storage
  • solar energy
  • hydrogen production
  • NOx removal
  • H2O2 production
  • plastic degradation
  • organic degradation
  • photocatalyst

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Published Papers (1 paper)

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Research

16 pages, 3793 KiB  
Article
Exploring Bismuth Oxide Supported Kaolinite for Photocatalytic Application
by Punyanuch Thammaacheep, Pornpraphatson Phetthai, Suthitra Suchai, Panatda Jannoey and Duangdao Channei
Surfaces 2024, 7(3), 698-713; https://doi.org/10.3390/surfaces7030045 - 3 Sep 2024
Viewed by 986
Abstract
Bismuth oxide (Bi2O3) and Bi2O3–supported Kaolin were synthesized using household microwave–assisted methods (350 W, 5 min), with catalyst characteristics analyzed. XRD patterns confirmed the monoclinic structure of Bi2O3. Incorporating 20%w [...] Read more.
Bismuth oxide (Bi2O3) and Bi2O3–supported Kaolin were synthesized using household microwave–assisted methods (350 W, 5 min), with catalyst characteristics analyzed. XRD patterns confirmed the monoclinic structure of Bi2O3. Incorporating 20%w/w Kaolin increased the specific surface area of Bi2O3 from 6.2879 to 16.1345 m2/g, observed in FESEM images showing a hierarchical flower-like morphology resembling French fries alongside Kaolin plates. XRF analysis identified elements in Kaolin contributing to self–doping in band structure of Bi2O3, reducing its band gap and PL intensity. Kaolin/Bi2O3 composites demonstrated enhanced photocatalytic degradation of tetracycline (TC) under visible light, attributed to Bi2O3-generated radicals and increased surface area. The composite photocatalyst can be recycled up to three times. This research not only enhances the photocatalytic activity of Bi2O3 but also increases the value of a local waste material, Kaolin clay. Such enhancements could potentially extend to other metal oxides and abundant waste materials within the country. Full article
(This article belongs to the Special Issue Porous Materials for Photocatalysis)
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