Analyzing pH-dependent structural characteristics and optical transmittance of titanium dioxide-Reference-Cited by-同舟云学术

Analyzing pH-dependent structural characteristics and optical transmittance of titanium dioxide

Published:2023-02-03 Issue:3 Volume:78 Page:297-303
ISSN:0932-0784
Container-title:Zeitschrift für Naturforschung A
language:en
Short-container-title:

Author:

Anwar Nadia¹²,Iqbal Muhammad Aamir³^ORCID,Ahmed Muqarrab⁴,Anwar Bushra⁵,Abbas Iqra⁶,Iqbal Syeda Tehreem²,Anwar Fouzia⁷,Mushahid Nosheen⁸,Capangpangan Rey Y.⁹^ORCID,Alguno Arnold C.¹⁰

Affiliation:

1. School of Materials Science and Engineering, Shaw Technical Science Building , Tsinghua University , Haidian District , Beijing , 100084 , China

2. Department of Physics , The University of Lahore , Lahore , 54000 , Pakistan

3. School of Materials Science and Engineering , Zhejiang University , Hangzhou , 310027 , China

4. State Key Laboratory of Chemical Engineering, Department of Chemical Engineering , Tsinghua University , Beijing , 100084 , China

5. Institute of Entomology , Northwest A&F University , 22 Xinong Road , Yang-ling , Shaanxi , 712100 , China

6. Centre of Excellence in Solid State Physics , University of the Punjab , Lahore , 54590 , Pakistan

7. Faculty of Agriculture, Department of Plant Pathology , University of Agriculture , Faisalabad , 38000 , Pakistan

8. Department of Physics , University of the Punjab , Lahore , 54590 , Pakistan

9. Department of Physical Sciences and Mathematics , College of Marine and Allied Sciences Mindanao State University at Naawan , Poblacion , Naawan , 9023 , Misamis Oriental , Philippines

10. Department of Physics , Premier Research Institute of Science and Mathematics (PRISM) Mindanao State University – Iligan Institute of Technology , Tibanga Highway , Iligan City , 9200 , Philippines

Abstract

AbstractThe use of titanium dioxide (also known as titania) in solar cells, biomaterials, and photocatalytic processes has generated an ever-increasing amount of interest. Titania is widely used in a variety of applications because it is nanocrystalline, chemically stable, has a high refractive index, is mechanically hard, and transmits visible light well. In this work, titania nanoparticles were formed via sol–gel synthesis, wherein the effect of varying pH values such as 3, 5, 7, 9, and 11 has been investigated on the synthesized nanoparticles by studying their structural characteristics and analyzing their optical transmittance. Structural analysis of the synthesized TiO2shows formation of the brookite phase at all pH values under as-synthesized conditions. Moreover, structural parameters including crystallite size, dislocation density, and unit cell volume were also calculated. Cell volume was calculated at various pH levels and measured between 255.7 and 257.2 Å3. Optical analysis shows a transmission increase with a pH increase, and maximum transmission has been observed above 80% for a pH value of 11.

Publisher

Walter de Gruyter GmbH

Subject

Physical and Theoretical Chemistry,General Physics and Astronomy,Mathematical Physics

Link

https://www.degruyter.com/document/doi/10.1515/zna-2022-0249/pdf

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