Dike I Ijeoma¹ and Chukwu Michael N²*

¹Department of Physics/Electronics, Abia State Polytechnic, Aba, Nigeria
²Department of Food Technology, Abia State Polytechnic, Aba, Nigeria

*Corresponding Author: Chukwu Michael N, Department of Food Technology, Abia State Polytechnic, Aba, Nigeria.

Received: May 26, 2022; Published: August 26, 2022

Abstract

This research focused on investigating the effect of novel Alpirin as a natural light harvesting pigment for sol-gel derived titanium dioxide with silver plasmon. The absorbance, transmittance, refractive index, optical conductivity, band gap, the crystalline sizes and average dislocation density of TiO₂ were investigated. It was observed that these optical properties were improved as a result of doping with Alpirin. Further significant improvement was observed on the addition of AgNPs that was deposited through one successive ionic layer adsorption and reaction (SILAR) cycle. The average crystalline size of Alpirin doped titanium dioxide was  with average dislocation density of  and the band gap of 2.52 eV while that of alpirin +AgNPs doped TiO₂ was  with average dislocation density of  and the band gap of 2.00 eV as against the undoped TiO₂ with average crystalline size of  and average dislocation density of  and band gap of 3.65 eV. The synergy between alpirin + AgNPs show that the incorporation of metal nanoparticle is beneficial for enhanced photoactivity.

Keywords: Alpirin; Photoactivity; Silver; Titanium Dioxide

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Citation

Citation: Dike I Ijeoma and Chukwu Michael N. “Visible Light Activity of Enhanced Screen-printed Titanium Dioxide". Acta Scientific Applied Physics 2.9 (2022): 22-27.

Copyright

Copyright: © 2022 Dike I Ijeoma and Chukwu Michael N. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.