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Article

Trace Amounts of Co3O4 Nano-Particles Modified TiO2 Nanorod Arrays for Boosted Photoelectrocatalytic Removal of Organic Pollutants in Water

1
College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, China
2
Key Laboratory of Evidence Science Techniques Research and Application, Gansu University of Political Science and Law, Lanzhou 730070, China
3
College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou 730000, China
*
Authors to whom correspondence should be addressed.
These authors contributed equally to this work.
Nanomaterials 2021, 11(1), 214; https://doi.org/10.3390/nano11010214
Received: 30 November 2020 / Revised: 2 January 2021 / Accepted: 4 January 2021 / Published: 15 January 2021
Trace amounts of Co3O4 modified TiO2 nanorod arrays were successfully fabricated through the photochemical deposition method without adding any nocuous reagents. The Co3O4/TiO2 nanorod arrays fabricated in acid solution had the highest photo-electrochemical activity. We elaborated on the mechanism of Co3O4-TiO2 fabricated in different pH value solutions. The Co3O4-TiO2 had a more remarkable photo-electrochemical performance than the pure TiO2 nanorod arrays owing to the heterojunction between Co3O4 and TiO2. The degradation of methylene blue and hydroquinone was selected as the model reactions to evaluate the photo-electrochemical performance of Co3O4-TiO2 nanorod arrays. The Co3O4/TiO2 nanorod arrays had great potential in waste water treatment. View Full-Text
Keywords: photocatalytic degradation; photo-electrocatalysis; Co3O4-TiO2; dyes; organic pollutants photocatalytic degradation; photo-electrocatalysis; Co3O4-TiO2; dyes; organic pollutants
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MDPI and ACS Style

Du, Y.; Zheng, Z.; Chang, W.; Liu, C.; Bai, Z.; Zhao, X.; Wang, C. Trace Amounts of Co3O4 Nano-Particles Modified TiO2 Nanorod Arrays for Boosted Photoelectrocatalytic Removal of Organic Pollutants in Water. Nanomaterials 2021, 11, 214. https://doi.org/10.3390/nano11010214

AMA Style

Du Y, Zheng Z, Chang W, Liu C, Bai Z, Zhao X, Wang C. Trace Amounts of Co3O4 Nano-Particles Modified TiO2 Nanorod Arrays for Boosted Photoelectrocatalytic Removal of Organic Pollutants in Water. Nanomaterials. 2021; 11(1):214. https://doi.org/10.3390/nano11010214

Chicago/Turabian Style

Du, Yongling, Zhixiang Zheng, Wenzhuo Chang, Chunyan Liu, Zhiyong Bai, Xinyin Zhao, and Chunming Wang. 2021. "Trace Amounts of Co3O4 Nano-Particles Modified TiO2 Nanorod Arrays for Boosted Photoelectrocatalytic Removal of Organic Pollutants in Water" Nanomaterials 11, no. 1: 214. https://doi.org/10.3390/nano11010214

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