Niobium-oxygen octahedra and oxygen interstitial defect emissions in calcium niobate matrix and its color manipulation via doping Pr3+

The luminescent properties of Ca2Nb2O7 matrix and Ca2Nb2O7: Pr3+ were studied in this work. In addition to the emission band from NbO6 octahedra, the orange-red emission aroused by oxygen interstitial defects was observed in Ca2Nb2O7. When Pr3+ was introduced, both of the matrix emission and the cha...

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Main Authors: Chen Wu, Yezhou Li, Hongxia Gong, Jianping Gao, Zhaofeng Wang
Format: Article
Language:English
Published: AIP Publishing LLC 2017-02-01
Series:AIP Advances
Online Access:http://dx.doi.org/10.1063/1.4977967
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spelling doaj-6190947064ed4cd597e36969d966f89d2020-11-25T00:41:47ZengAIP Publishing LLCAIP Advances2158-32262017-02-0172025019025019-610.1063/1.4977967069702ADVNiobium-oxygen octahedra and oxygen interstitial defect emissions in calcium niobate matrix and its color manipulation via doping Pr3+Chen Wu0Yezhou Li1Hongxia Gong2Jianping Gao3Zhaofeng Wang4School of Information Science & Engineering, Gansu University of Chinese Medicine, Lanzhou 730000, ChinaSchool of Information Science & Engineering, Gansu University of Chinese Medicine, Lanzhou 730000, ChinaProvince Key Laboratory for Molecular Medicine of Major Diseases and Prevention and Treatment with Traditional Chinese Medicine of Gansu Colleges and Universities, Gansu University of Chinese Medicine, Lanzhou 730000, ChinaSchool of Information Science & Engineering, Gansu University of Chinese Medicine, Lanzhou 730000, ChinaState Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, Gansu 730000, ChinaThe luminescent properties of Ca2Nb2O7 matrix and Ca2Nb2O7: Pr3+ were studied in this work. In addition to the emission band from NbO6 octahedra, the orange-red emission aroused by oxygen interstitial defects was observed in Ca2Nb2O7. When Pr3+ was introduced, both of the matrix emission and the characteristic Pr3+ luminescence could appear simultaneously under suitable excitation wavelength. By further adjusting the doping concentration, color manipulation from blue-green to pink and red could be realized in Ca2Nb2O7: Pr3+. In particular, a warm white light could be achieved when doping 0.1% Pr3+. Based on the luminescent results, the underlying mechanisms were discussed and proposed. The color manipulation results suggest that Ca2Nb2O7: Pr3+ is promising for various fields related to lighting, displaying, and imaging.http://dx.doi.org/10.1063/1.4977967
collection DOAJ
language English
format Article
sources DOAJ
author Chen Wu
Yezhou Li
Hongxia Gong
Jianping Gao
Zhaofeng Wang
spellingShingle Chen Wu
Yezhou Li
Hongxia Gong
Jianping Gao
Zhaofeng Wang
Niobium-oxygen octahedra and oxygen interstitial defect emissions in calcium niobate matrix and its color manipulation via doping Pr3+
AIP Advances
author_facet Chen Wu
Yezhou Li
Hongxia Gong
Jianping Gao
Zhaofeng Wang
author_sort Chen Wu
title Niobium-oxygen octahedra and oxygen interstitial defect emissions in calcium niobate matrix and its color manipulation via doping Pr3+
title_short Niobium-oxygen octahedra and oxygen interstitial defect emissions in calcium niobate matrix and its color manipulation via doping Pr3+
title_full Niobium-oxygen octahedra and oxygen interstitial defect emissions in calcium niobate matrix and its color manipulation via doping Pr3+
title_fullStr Niobium-oxygen octahedra and oxygen interstitial defect emissions in calcium niobate matrix and its color manipulation via doping Pr3+
title_full_unstemmed Niobium-oxygen octahedra and oxygen interstitial defect emissions in calcium niobate matrix and its color manipulation via doping Pr3+
title_sort niobium-oxygen octahedra and oxygen interstitial defect emissions in calcium niobate matrix and its color manipulation via doping pr3+
publisher AIP Publishing LLC
series AIP Advances
issn 2158-3226
publishDate 2017-02-01
description The luminescent properties of Ca2Nb2O7 matrix and Ca2Nb2O7: Pr3+ were studied in this work. In addition to the emission band from NbO6 octahedra, the orange-red emission aroused by oxygen interstitial defects was observed in Ca2Nb2O7. When Pr3+ was introduced, both of the matrix emission and the characteristic Pr3+ luminescence could appear simultaneously under suitable excitation wavelength. By further adjusting the doping concentration, color manipulation from blue-green to pink and red could be realized in Ca2Nb2O7: Pr3+. In particular, a warm white light could be achieved when doping 0.1% Pr3+. Based on the luminescent results, the underlying mechanisms were discussed and proposed. The color manipulation results suggest that Ca2Nb2O7: Pr3+ is promising for various fields related to lighting, displaying, and imaging.
url http://dx.doi.org/10.1063/1.4977967
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