Phase transformation and room temperature stabilization of various Bi2O3 nano-polymorphs: effect of oxygen-vacancy defects and reduced surface energy due to adsorbed carbon species-Reference-Cited by-同舟云学术

Phase transformation and room temperature stabilization of various Bi2O3 nano-polymorphs: effect of oxygen-vacancy defects and reduced surface energy due to adsorbed carbon species

Published:2020 Issue:47 Volume:12 Page:24119-24137
ISSN:2040-3364
Container-title:Nanoscale
language:en
Short-container-title:Nanoscale

Author:

Gandhi Ashish Chhaganlal¹²³⁴^ORCID,Lai Chi-Yuan¹²³⁴,Wu Kuan-Ting¹²³⁴,Ramacharyulu P. V. R. K.¹²³⁴^ORCID,Koli Valmiki B.¹²³⁴,Cheng Chia-Liang¹²³⁴,Ke Shyue-Chu¹²³⁴^ORCID,Wu Sheng Yun¹²³⁴^ORCID

Affiliation:

1. Department of Physics

2. National Dong Hwa University

3. Hualien 97401

4. Taiwan

Abstract

The air annealing induced grain growth from nano to microscale and a transformation sequence from Bi → β-Bi₂O₃ → γ-Bi₂O₃ → α-Bi₂O₃ was evident. All the annealed samples are oxygen-deficient, resulting in the appearance of a strong red emission band.

Funder

Ministry of Science and Technology

Publisher

Royal Society of Chemistry (RSC)

Subject

General Materials Science

Link

http://pubs.rsc.org/en/content/articlepdf/2020/NR/D0NR06552H

Reference155 articles.

1. Bi2O3–BiFeO3 Glass-Ceramic: Controllable β-/γ-Bi2O3 Transformation and Application as Magnetic Solar-Driven Photocatalyst for Water Decontamination

2. Highly nanotextured β-Bi2O3 pillars by electrostatic spray deposition as photoanodes for solar water splitting

3. Transformation of Bismuth and β-Bi2O3 Nanoparticles into (BiO)2CO3 and (BiO)4(OH)2CO3 by Capturing CO2: The Role of Halloysite Nanotubes and “Sunlight” on the Crystal Shape and Size