Enhancing Green Product Generation of Photocatalytic NO Oxidation : A Case of WO3 Nanoplate/g-C3N4 S-Scheme Heterojunction

Nitric oxide (NO) removal by photocatalytic oxidation over g-C3N4 has achieved more efficient results. However, there is a concern about the high NO-to-NO2 conversion yield of products, which is not suitable for the photocatalytic NO reaction. In this study, we modify g-C3N4 by WO3 nanoplates for th...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 38(2022), 13 vom: 05. Apr., Seite 4138-4146
1. Verfasser: Van Pham, Viet (VerfasserIn)
Weitere Verfasser: Truong, Thao Kim, Le, Hai Viet, Nguyen, Hoang Thai, Tong, Hien Duy, Cao, Thi Minh
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2022
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article
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520 |a Nitric oxide (NO) removal by photocatalytic oxidation over g-C3N4 has achieved more efficient results. However, there is a concern about the high NO-to-NO2 conversion yield of products, which is not suitable for the photocatalytic NO reaction. In this study, we modify g-C3N4 by WO3 nanoplates for the first time for photocatalytic NO oxidation over a WO3/g-C3N4 composite to enhance the green product selectivity under atmospheric conditions. The results indicate that the photocatalytic efficiency for NO removal by the WO3/g-C3N4 composite is drastically improved and achieves 52.5%, which is approximately 2.1 times higher than that of pure g-C3N4. Significantly, the green product (NO3-) selectivity of the WO3/g-C3N4 composite is 8.7 times higher than that of pure g-C3N4, and the selectivity remained high even after five cycles of photocatalytic tests. We also conclude that the enhanced green product selectivity of photocatalytic NO oxidation by the WO3/g-C3N4 composite is due to the separation and acceleration of the photogenerated charges of the WO3/g-C3N4 S-scheme heterojunction 
650 4 |a Journal Article 
700 1 |a Truong, Thao Kim  |e verfasserin  |4 aut 
700 1 |a Le, Hai Viet  |e verfasserin  |4 aut 
700 1 |a Nguyen, Hoang Thai  |e verfasserin  |4 aut 
700 1 |a Tong, Hien Duy  |e verfasserin  |4 aut 
700 1 |a Cao, Thi Minh  |e verfasserin  |4 aut 
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