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HomeSolid State PhenomenaSolid State Phenomena Vol. 352Silver Nanoparticles/Titanium Dioxide Nanowires...

Silver Nanoparticles/Titanium Dioxide Nanowires Photocatalyst Formation for Microplastic Removal Using Ultraviolet Radiation

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Abstract:

Microplastic is the most problematic persistent pollutants in the environment despite of its unique properties for various life application. The objective is to investigate the feasibility and practicability of the nanostructured TiO₂ coupling with noble metal in removal polypropylene (PP) microplastics. The TiO₂ nanowires (NWs) were synthesized by thermal oxidation of Ti foil under various mixed oxidation environments. TiO₂ NWs were successfully grown uniformly and with full coverage over the foil under the condition of ramping in KOH mist and soaking in water vapour at 700 °C for 120 minutes. Heterojunction photocatalyst of Ag/TiO₂ NWs was formed using wet impregnation method. Small quantity of Ag nanoparticles (NPs) was attached onto the TiO₂ nanowires. The photocatalytic efficiency of the synthesized Ag/TiO₂ NWs photocatalyst was tested upon removal of PP microplastic from non-static water bodies under UV irradiation. Coupling Ag NPs with TiO₂ NWs have better photocatalytic performance than those without Ag NPs from the reduction of weight loss and the possibility of presence of carbonyl group.

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Periodical:

Solid State Phenomena (Volume 352)

Pages:

67-74

DOI:

https://doi.org/10.4028/p-aS0wOb

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Online since:

October 2023

Authors:

Lim Ruo Xuen, Norain Isa, Khairunisak Abdul Razak, Mariatti Jaafar, Zainovia Lockman*

Keywords:

Degradation, Microplastic, Photocatalytic, TiO₂ Nanowires, UV Radiation

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© 2023 Trans Tech Publications Ltd. All Rights Reserved

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* - Corresponding Author

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