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Fabrication and Photocatalytic Property of Novel SrTiO(3)/Bi(5)O(7)I Nanocomposites

The novel SrTiO(3)/Bi(5)O(7)I nanocomposites were successfully fabricated by a thermal decomposition approach. The as-prepared samples were characterized by XRD, XPS, SEM, EDS, FTIR, DRS and PL spectra. The results show that the SrTiO(3)/Bi(5)O(7)I nanocomposites are composed of perovskite SrTiO(3)...

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Detalles Bibliográficos
Autores principales: Xia, Yongmei, He, Zuming, Su, Jiangbin, Liu, Ya, Tang, Bin
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Springer US 2018
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5948192/
https://www.ncbi.nlm.nih.gov/pubmed/29752595
http://dx.doi.org/10.1186/s11671-018-2558-6
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author Xia, Yongmei
He, Zuming
Su, Jiangbin
Liu, Ya
Tang, Bin
author_facet Xia, Yongmei
He, Zuming
Su, Jiangbin
Liu, Ya
Tang, Bin
author_sort Xia, Yongmei
collection PubMed
description The novel SrTiO(3)/Bi(5)O(7)I nanocomposites were successfully fabricated by a thermal decomposition approach. The as-prepared samples were characterized by XRD, XPS, SEM, EDS, FTIR, DRS and PL spectra. The results show that the SrTiO(3)/Bi(5)O(7)I nanocomposites are composed of perovskite SrTiO(3) nanoparticles and tetragonal Bi(5)O(7)I nanorods. The SrTiO(3)/Bi(5)O(7)I nanocomposites exhibit an excellent photocatalytic performance for the degradation of RhB solution under simulated solar light irradiation, which is superior to that of pristine Bi(5)O(7)I and SrTiO(3). In particular, the 30 wt% SrTiO(3)/Bi(5)O(7)I nanocomposite is found as the optimal composites, over which the dye degradation reaches 89.6% for 150 min of photocatalysis. The photocatalytic degradation rate of the 30 wt% SrTiO(3)/Bi(5)O(7)I nanocomposite is found to be 3.97 times and 12.5 times higher than that of bare Bi(5)O(7)I and SrTiO(3), respectively. The reactive species trapping experiments suggest that [Formula: see text] and holes are the main active species responsible for the RhB degradation. In addition, the PL spectra elucidate the effective separation of photoinduced electron-hole pairs. Further, the possible photocatalytic mechanism of the SrTiO(3)/Bi(5)O(7)I nanocomposites is also elucidated based on the experimental evidences.
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spelling pubmed-59481922018-05-17 Fabrication and Photocatalytic Property of Novel SrTiO(3)/Bi(5)O(7)I Nanocomposites Xia, Yongmei He, Zuming Su, Jiangbin Liu, Ya Tang, Bin Nanoscale Res Lett Nano Express The novel SrTiO(3)/Bi(5)O(7)I nanocomposites were successfully fabricated by a thermal decomposition approach. The as-prepared samples were characterized by XRD, XPS, SEM, EDS, FTIR, DRS and PL spectra. The results show that the SrTiO(3)/Bi(5)O(7)I nanocomposites are composed of perovskite SrTiO(3) nanoparticles and tetragonal Bi(5)O(7)I nanorods. The SrTiO(3)/Bi(5)O(7)I nanocomposites exhibit an excellent photocatalytic performance for the degradation of RhB solution under simulated solar light irradiation, which is superior to that of pristine Bi(5)O(7)I and SrTiO(3). In particular, the 30 wt% SrTiO(3)/Bi(5)O(7)I nanocomposite is found as the optimal composites, over which the dye degradation reaches 89.6% for 150 min of photocatalysis. The photocatalytic degradation rate of the 30 wt% SrTiO(3)/Bi(5)O(7)I nanocomposite is found to be 3.97 times and 12.5 times higher than that of bare Bi(5)O(7)I and SrTiO(3), respectively. The reactive species trapping experiments suggest that [Formula: see text] and holes are the main active species responsible for the RhB degradation. In addition, the PL spectra elucidate the effective separation of photoinduced electron-hole pairs. Further, the possible photocatalytic mechanism of the SrTiO(3)/Bi(5)O(7)I nanocomposites is also elucidated based on the experimental evidences. Springer US 2018-05-11 /pmc/articles/PMC5948192/ /pubmed/29752595 http://dx.doi.org/10.1186/s11671-018-2558-6 Text en © The Author(s). 2018 Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
spellingShingle Nano Express
Xia, Yongmei
He, Zuming
Su, Jiangbin
Liu, Ya
Tang, Bin
Fabrication and Photocatalytic Property of Novel SrTiO(3)/Bi(5)O(7)I Nanocomposites
title Fabrication and Photocatalytic Property of Novel SrTiO(3)/Bi(5)O(7)I Nanocomposites
title_full Fabrication and Photocatalytic Property of Novel SrTiO(3)/Bi(5)O(7)I Nanocomposites
title_fullStr Fabrication and Photocatalytic Property of Novel SrTiO(3)/Bi(5)O(7)I Nanocomposites
title_full_unstemmed Fabrication and Photocatalytic Property of Novel SrTiO(3)/Bi(5)O(7)I Nanocomposites
title_short Fabrication and Photocatalytic Property of Novel SrTiO(3)/Bi(5)O(7)I Nanocomposites
title_sort fabrication and photocatalytic property of novel srtio(3)/bi(5)o(7)i nanocomposites
topic Nano Express
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5948192/
https://www.ncbi.nlm.nih.gov/pubmed/29752595
http://dx.doi.org/10.1186/s11671-018-2558-6
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