https://scholars.lib.ntu.edu.tw/handle/123456789/576277
標題: | Pollutant degradation with mediator Z-scheme heterojunction photocatalyst in water: A review | 作者: | Lai Y.-J Lee D.-J. DUU-JONG LEE |
關鍵字: | Heterojunction; Organic pollutant; Photocatalyst; Redox energy | 公開日期: | 2021 | 卷: | 282 | 來源出版物: | Chemosphere | 摘要: | The Z-scheme heterojunction is a photocatalyst with narrow band gap and sufficiently high oxidization and reduction powers for degradation of pollutants in waters. This review firstly summarizes the fundamentals of photocatalysis, and explains the need to develop Z-scheme heterojunctions to harvest energy from sunlight effectively. Secondly, contemporary reports of degradation wastewater pollutants, including organic dyes, antibiotics, and other chemicals are reviewed and discussed. A challenge in the selection of an appropriate Z-scheme for removing a specific pollutant is the lack of available energy levels that are offered by the catalyst and the lack of redox energy levels that are required to break down essential chemical bonds of the pollutants. With reference to the redox energy levels offered by the active photocatalytic species, the redox energy levels of specific pollutants studied in literature are estimated. Challenges and prospects concerning the use of the Z-scheme to degrade recalcitrant pollutants under irradiation by sunlight are outlined at the end of this review. © 2021 Elsevier Ltd |
URI: | https://www.scopus.com/inward/record.uri?eid=2-s2.0-85107420486&doi=10.1016%2fj.chemosphere.2021.131059&partnerID=40&md5=cf61cde66997ed08ed8ca4e92ccb2c37 https://scholars.lib.ntu.edu.tw/handle/123456789/576277 |
ISSN: | 456535 | DOI: | 10.1016/j.chemosphere.2021.131059 | SDG/關鍵字: | Bond strength (chemical); Energy gap; Heterojunctions; Organic chemicals; Photocatalysts; Water pollution; Water treatment; % reductions; Degradation of pollutants; Energy; Narrow bandgap; Organics; Oxidization; Pollutant degradation; Power; Redox energy; Wastewater pollutants; Organic pollutants; antibiotic agent; dye; water; coloring agent; water; catalysis; catalyst; degradation; detection method; pollutant removal; redox conditions; wastewater; wastewater treatment; water treatment; Article; catalyst; chemical bond; degradation; oxidation reduction reaction; photocatalysis; sunlight; water pollutant; catalysis; pollutant; wastewater; Catalysis; Coloring Agents; Environmental Pollutants; Waste Water; Water |
顯示於: | 化學工程學系 |
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