The effect of synthesis conditions on the photokilling activity of TiO2 nanostructures

Author:

Al-Harbi Laila M,Mohamed W SORCID,Ebnalwaled A A,Said Alaa Hassan,Ezzeldien MohammedORCID

Abstract

Abstract In this study, Titanium dioxide nanostructures were hydrothermally synthesized at different temperatures 130, 170 and 200 °C. The structural properties and crystallite size of TiO2 nanostructures were confirmed through XRD analyses. Moreover, the morphologies were confirmed using TEM analyses. These analyses confirmed the formation of single phase TiO2 nanostructures. The average crystallite size for the TiO2 nanostructures synthesized at different hydrothermal temperatures of 130, 170, and 200 °C was found to be 11.5 nm, 5.3 nm, and 5 nm, respectively. The impact of changes in these morphologies on the physical characteristics and photokilling activity of cancer cells has been studied. The results showed that the photokilling activity of TiO2 nanostructures is morphology dependent, with TiO2 nanowires having the highest activity and nanosheets having the lowest under our experimental conditions.

Funder

the Deanship of Scientific Research (DSR), King Abdulaziz University, Jeddah

Publisher

IOP Publishing

Subject

Metals and Alloys,Polymers and Plastics,Surfaces, Coatings and Films,Biomaterials,Electronic, Optical and Magnetic Materials

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