Article: Green synthesis and characterisation of TiO2 nanoparticles via Aloe Vera extract application in sunscreen cream cosmetic Journal: International Journal of Nanotechnology (IJNT) 2024 Vol.21 No.7/8/9/10/11/12 pp.637 - 649 Abstract: In this study, titanium dioxide nanoparticles (nano TiO2) have been synthesised using the green method from Aloe vera extract. The advantages of biosynthesis are environmentally friendly, less energy, pressure, and cost-effective nature. Nanoparticles were characterised by scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray diffraction (XRD) and ultraviolet-visible spectrophotometry (UV-Vis). The SEM and TEM analysis show images of the surface of the TiO2 nanocluster, the nanoparticle size in the range from 11.5 nm to 20.9 nm, average particle size approximately 16.6 nm. The sharp peaks XRD pattern shows purity and tetragonal structure with anatase phase. This application of green TiO2 nanoparticles is being explored in facial cream. The results showed that the 20% concentration of nanopowder gave higher UV absorption than the commercial nanopowder. At higher concentrations, the UV absorption efficiency is reduced because the ingredients mixed in the facial cream reduce the photocatalytic ability. Inderscience Publishers - linking academia, business and industry through research

Title: Green synthesis and characterisation of TiO₂ nanoparticles via Aloe Vera extract application in sunscreen cream cosmetic

Authors: An Nang Vu; Kim-Ngan T. Nguyen; Ngoc-Uyen T. Nguyen; Anh Mai Tran

Addresses: Faculty of Materials Science and Technology, University of Science, Vietnam National University, Ho Chi Minh City, 700000, Vietnam ' Faculty of Materials Science and Technology, University of Science, Vietnam National University, Ho Chi Minh City, 700000, Vietnam ' Faculty of Materials Science and Technology, University of Science, Vietnam National University, Ho Chi Minh City, 700000, Vietnam ' Faculty of Materials Science and Technology, University of Science, Vietnam National University, Ho Chi Minh City, 700000, Vietnam

Abstract: In this study, titanium dioxide nanoparticles (nano TiO₂) have been synthesised using the green method from Aloe vera extract. The advantages of biosynthesis are environmentally friendly, less energy, pressure, and cost-effective nature. Nanoparticles were characterised by scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray diffraction (XRD) and ultraviolet-visible spectrophotometry (UV-Vis). The SEM and TEM analysis show images of the surface of the TiO₂ nanocluster, the nanoparticle size in the range from 11.5 nm to 20.9 nm, average particle size approximately 16.6 nm. The sharp peaks XRD pattern shows purity and tetragonal structure with anatase phase. This application of green TiO₂ nanoparticles is being explored in facial cream. The results showed that the 20% concentration of nanopowder gave higher UV absorption than the commercial nanopowder. At higher concentrations, the UV absorption efficiency is reduced because the ingredients mixed in the facial cream reduce the photocatalytic ability.

Keywords: titanium dioxide nanoparticles; aloe vera extract; biosynthesis; facial cream.

DOI: 10.1504/IJNT.2024.146468

International Journal of Nanotechnology, 2024 Vol.21 No.7/8/9/10/11/12, pp.637 - 649

Published online: 30 May 2025 *

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Title: Green synthesis and characterisation of TiO2 nanoparticles via Aloe Vera extract application in sunscreen cream cosmetic

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Title: Green synthesis and characterisation of TiO₂ nanoparticles via Aloe Vera extract application in sunscreen cream cosmetic