Journal
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY
Volume 20, Issue 10, Pages 6475-6481Publisher
AMER SCIENTIFIC PUBLISHERS
DOI: 10.1166/jnn.2020.18591
Keywords
N-Doped SrTiO3 Nanoparticles; FE-SEM; Methylene Blue
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Funding
- King Saud University, Riyadh, Saudi Arabia [RSP-2019/141]
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Highly crystalline bare and N-doped SrTiO3 nanoparticles were effectively synthesized with strontium acetate, titanium isopropoxide, hexamethylenetetramine as precursor via citric acid assisted hydrothermal process followed by calcination. The hydrothermally synthesized bare and N-doped SrTiO3 NPs possessed monodispersity throughout with particle size diameter 50 +/- 5 nm but because of annealing at 750 degrees C temperature the synthesized NPs got agglomerate which created rough surface and induces oxygen vacancy in the NPs. Introducing N3- ions impurity into SrTiO3 lattice tailored the electronic band structure of SrTiO3 and extends its absorption into the visible region. It would display the p-type conductivity and facilitate the photoinduced electron-hole pairs towards respective site which diminishes the chances of recombination of electron-hole pairs that enhances photocatalytic degradation reaction. The results showed MB degraded about similar to 88 in just 140 min and followed first order reaction kinetics with rate constant k = 0.01489 mint(-1).
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