Photocatalytic Activities of g-C<sub>3</sub>N<sub>4</sub> (CN) Treated with Nitric Acid Vapor for the Degradation of Pollutants in Wastewater
In this article, we reported a novel setup treatment using nitric acid vapor to treat g-C<sub>3</sub>N<sub>4</sub> (CN). By treatment with nitric acid vapour, the basic structure of the CN has not been destroyed. These adoptive treatments enhanced the photocatalytic performan...
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MDPI AG
2023-03-01
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| Online Access: | https://www.mdpi.com/1996-1944/16/6/2177 |
| _version_ | 1797610486339993600 |
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| author | Ruishuo Li Bingquan Wang Rui Wang |
| author_facet | Ruishuo Li Bingquan Wang Rui Wang |
| author_sort | Ruishuo Li |
| collection | DOAJ |
| description | In this article, we reported a novel setup treatment using nitric acid vapor to treat g-C<sub>3</sub>N<sub>4</sub> (CN). By treatment with nitric acid vapour, the basic structure of the CN has not been destroyed. These adoptive treatments enhanced the photocatalytic performance of CN and were reflected in the elimination of rhodamine B (RhB) as well as tetracycline hydrochloride (TC). In comparison to CN, CN-6 demonstrated the highest photocatalytic yield for the breakdown of RhB (99%, in 20 min). Moreover, the excellent reuse of CN-6 for breaking down RhB was also demonstrated. This clearly demonstrated that treatment with nitric acid vapor promoted a blue shift, positively extended its valence band position, and increased the oxidizability of the holes. This also caused CN to disperse better into the aqueous phase, introducing more oxygen-containing functional groups. Thus, treatment with nitric acid vapor has the potential to be applied to delaminate the CN in order to enhance photocatalytic activity. |
| first_indexed | 2024-03-11T06:14:57Z |
| format | Article |
| id | doaj.art-145f9e4c78e34740bccdeab2d8291638 |
| institution | Directory Open Access Journal |
| issn | 1996-1944 |
| language | English |
| last_indexed | 2024-03-11T06:14:57Z |
| publishDate | 2023-03-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Materials |
| spelling | doaj.art-145f9e4c78e34740bccdeab2d82916382023-11-17T12:18:33ZengMDPI AGMaterials1996-19442023-03-01166217710.3390/ma16062177Photocatalytic Activities of g-C<sub>3</sub>N<sub>4</sub> (CN) Treated with Nitric Acid Vapor for the Degradation of Pollutants in WastewaterRuishuo Li0Bingquan Wang1Rui Wang2School of Environmental Science and Engineering, Shandong University, Qingdao 266237, ChinaSchool of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, ChinaSchool of Environmental Science and Engineering, Shandong University, Qingdao 266237, ChinaIn this article, we reported a novel setup treatment using nitric acid vapor to treat g-C<sub>3</sub>N<sub>4</sub> (CN). By treatment with nitric acid vapour, the basic structure of the CN has not been destroyed. These adoptive treatments enhanced the photocatalytic performance of CN and were reflected in the elimination of rhodamine B (RhB) as well as tetracycline hydrochloride (TC). In comparison to CN, CN-6 demonstrated the highest photocatalytic yield for the breakdown of RhB (99%, in 20 min). Moreover, the excellent reuse of CN-6 for breaking down RhB was also demonstrated. This clearly demonstrated that treatment with nitric acid vapor promoted a blue shift, positively extended its valence band position, and increased the oxidizability of the holes. This also caused CN to disperse better into the aqueous phase, introducing more oxygen-containing functional groups. Thus, treatment with nitric acid vapor has the potential to be applied to delaminate the CN in order to enhance photocatalytic activity.https://www.mdpi.com/1996-1944/16/6/2177g-C<sub>3</sub>N<sub>4</sub>photocatalytic activityrhodamine Btetracycline hydrochloridedegradationwastewater |
| spellingShingle | Ruishuo Li Bingquan Wang Rui Wang Photocatalytic Activities of g-C<sub>3</sub>N<sub>4</sub> (CN) Treated with Nitric Acid Vapor for the Degradation of Pollutants in Wastewater Materials g-C<sub>3</sub>N<sub>4</sub> photocatalytic activity rhodamine B tetracycline hydrochloride degradation wastewater |
| title | Photocatalytic Activities of g-C<sub>3</sub>N<sub>4</sub> (CN) Treated with Nitric Acid Vapor for the Degradation of Pollutants in Wastewater |
| title_full | Photocatalytic Activities of g-C<sub>3</sub>N<sub>4</sub> (CN) Treated with Nitric Acid Vapor for the Degradation of Pollutants in Wastewater |
| title_fullStr | Photocatalytic Activities of g-C<sub>3</sub>N<sub>4</sub> (CN) Treated with Nitric Acid Vapor for the Degradation of Pollutants in Wastewater |
| title_full_unstemmed | Photocatalytic Activities of g-C<sub>3</sub>N<sub>4</sub> (CN) Treated with Nitric Acid Vapor for the Degradation of Pollutants in Wastewater |
| title_short | Photocatalytic Activities of g-C<sub>3</sub>N<sub>4</sub> (CN) Treated with Nitric Acid Vapor for the Degradation of Pollutants in Wastewater |
| title_sort | photocatalytic activities of g c sub 3 sub n sub 4 sub cn treated with nitric acid vapor for the degradation of pollutants in wastewater |
| topic | g-C<sub>3</sub>N<sub>4</sub> photocatalytic activity rhodamine B tetracycline hydrochloride degradation wastewater |
| url | https://www.mdpi.com/1996-1944/16/6/2177 |
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