Mohammed, Abdussamad Mukhtar and Mohtar, Safia Syazana and Aziz, Farhana and Aziz, Madzlan and Ul-Hamid, Anwar and Wan Salleh, Wan Norharyati and Yusof, Norhaniza and Jaafar, Juhana and Ismail, Ahmad Fauzi (2021) Ultrafast degradation of Congo Red dye using a facile one-pot solvothermal synthesis of cuprous oxide/titanium dioxide and cuprous oxide/zinc oxide p-n heterojunction photocatalyst. Materials Science in Semiconductor Processing, 122 . p. 105481. ISSN 1369-8001
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Official URL: http://dx.doi.org/10.1016/j.mssp.2020.105481
Abstract
The photodegradation of Congo red (CR) dye was studied with pure Cu2O, Cu2O/TiO2 (CT), and Cu2O/ZnO (CZ) heterojunctions photocatalysts. A facile one-pot solvothermal method with absolute ethanol as a solvent and reducing agent was used to prepare the photocatalysts. CT and CZ showed excellent adsorption properties and ultrafast photocatalytic activities on CR, especially CZ. The optimized CZ (1.5–1.5) resulted in an incredible photocatalytic activity by completely degrading 30 ppm CR within 10 min. The configuration of p-n heterojunction between Cu2O, TiO2, and ZnO successfully promoted the photogenerated electron-hole pairs separation for enhanced CR dye degradation in aqueous solution.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | Congo Red, Photocatalyst |
| Subjects: | T Technology > TP Chemical technology |
| Divisions: | Chemical and Energy Engineering |
| ID Code: | 96012 |
| Deposited By: | Widya Wahid |
| Deposited On: | 01 Jul 2022 08:23 |
| Last Modified: | 01 Jul 2022 08:23 |
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