Defects on the Surface of Ti-Doped MgAl(2)O(4) Nanophosphor

Ti-doped nano MgAl(2)O(4) for white emission was synthesized by combustion method. Extrinsic Schottky defects, Al vacancies and Ti(4+) dopant in Al sites, which are considered to be responsible for bluish-white emission, were observed by STEM on the surface of Ti-doped nano MgAl(2)O(4) powder. The s...

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Autores principales: Lim, Jaehyuk, Kim, Yongseon, Kim, Sungdae, Kim, Youngwoon, Kang, Shinhoo
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Springer US 2017
Materias:
Nano Express
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5605479/
https://www.ncbi.nlm.nih.gov/pubmed/28929418
http://dx.doi.org/10.1186/s11671-017-2288-1
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author Lim, Jaehyuk
Kim, Yongseon
Kim, Sungdae
Kim, Youngwoon
Kang, Shinhoo
author_facet Lim, Jaehyuk
Kim, Yongseon
Kim, Sungdae
Kim, Youngwoon
Kang, Shinhoo
author_sort Lim, Jaehyuk
collection PubMed
description Ti-doped nano MgAl(2)O(4) for white emission was synthesized by combustion method. Extrinsic Schottky defects, Al vacancies and Ti(4+) dopant in Al sites, which are considered to be responsible for bluish-white emission, were observed by STEM on the surface of Ti-doped nano MgAl(2)O(4) powder. The stabilities of the Schottky defect associates, (Ti(Al) (·)–V(Al)′′′)′′, were demonstrated by DFT calculation. The emission behavior was interpreted with these results.
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spelling pubmed-56054792017-09-27 Defects on the Surface of Ti-Doped MgAl(2)O(4) Nanophosphor Lim, Jaehyuk Kim, Yongseon Kim, Sungdae Kim, Youngwoon Kang, Shinhoo Nanoscale Res Lett Nano Express Ti-doped nano MgAl(2)O(4) for white emission was synthesized by combustion method. Extrinsic Schottky defects, Al vacancies and Ti(4+) dopant in Al sites, which are considered to be responsible for bluish-white emission, were observed by STEM on the surface of Ti-doped nano MgAl(2)O(4) powder. The stabilities of the Schottky defect associates, (Ti(Al) (·)–V(Al)′′′)′′, were demonstrated by DFT calculation. The emission behavior was interpreted with these results. Springer US 2017-09-19 /pmc/articles/PMC5605479/ /pubmed/28929418 http://dx.doi.org/10.1186/s11671-017-2288-1 Text en © The Author(s). 2017 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
Lim, Jaehyuk
Kim, Yongseon
Kim, Sungdae
Kim, Youngwoon
Kang, Shinhoo
Defects on the Surface of Ti-Doped MgAl(2)O(4) Nanophosphor
title Defects on the Surface of Ti-Doped MgAl(2)O(4) Nanophosphor
title_full Defects on the Surface of Ti-Doped MgAl(2)O(4) Nanophosphor
title_fullStr Defects on the Surface of Ti-Doped MgAl(2)O(4) Nanophosphor
title_full_unstemmed Defects on the Surface of Ti-Doped MgAl(2)O(4) Nanophosphor
title_short Defects on the Surface of Ti-Doped MgAl(2)O(4) Nanophosphor
title_sort defects on the surface of ti-doped mgal(2)o(4) nanophosphor
topic Nano Express
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5605479/
https://www.ncbi.nlm.nih.gov/pubmed/28929418
http://dx.doi.org/10.1186/s11671-017-2288-1
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