Unconventional Luminescent Centers in Metastable Phases Created by Topochemical Reduction Reactions
Liu, BM; Zhang, ZG; Zhang, K; Kuroiwa, Y; Moriyoshi, C; Yu, HM; Li, C; Zheng, LR; Li, LN; Yang, G; Zhou, Y; Fang, YZ; Hou, JS; Matsushita, Y; Sun, HT; Sun, HT (reprint author), Soochow Univ, Coll Chem Chem Engn & Mat Sci, Suzhou 215123, Peoples R China.
2016
发表期刊ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
ISSN1433-7851
卷号55期号:16页码:4967—4971
文章类型期刊文献
摘要A low-temperature topochemical reduction strategy is used herein to prepare unconventional phosphors with luminescence covering the biological and/or telecommunications optical windows. This approach is demonstrated by using Bi-III-doped Y2O3 (Y2-xBixO3) as a model system. Experimental results suggest that topochemical treatment of Y2-xBixO3 using CaH2 creates randomly distributed oxygen vacancies in the matrix, resulting in the change of the oxidation states of Bi to lower oxidation states. The change of the Bi coordination environments from the [BiO6] octahedra in Y2-xBixO3 to the oxygen-deficient [BiO6-z] polyhedra in reduced phases leads to a shift of the emission maximum from the visible to the near-infrared region. The generality of this approach was further demonstrated with other phosphors. Our findings suggest that this strategy can be used to explore Bi-doped or other classes of luminescent systems, thus opening up new avenues to develop novel optical materials.
关键词Metal Oxide-hydride Extended Oxide Silica Glass Iron-oxide Photoluminescence Transition Anion Transformation Lasrcoo3h0.7 Batio3
DOI10.1002/anie.201601191
收录类别SCI
语种英语
WOS记录号WOS:000374496100016
引用统计
被引频次:12[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/25882
专题中科院上海应用物理研究所2011-2018年
通讯作者Sun, HT (reprint author), Soochow Univ, Coll Chem Chem Engn & Mat Sci, Suzhou 215123, Peoples R China.
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GB/T 7714
Liu, BM,Zhang, ZG,Zhang, K,et al. Unconventional Luminescent Centers in Metastable Phases Created by Topochemical Reduction Reactions[J]. ANGEWANDTE CHEMIE-INTERNATIONAL EDITION,2016,55(16):4967—4971.
APA Liu, BM.,Zhang, ZG.,Zhang, K.,Kuroiwa, Y.,Moriyoshi, C.,...&Sun, HT .(2016).Unconventional Luminescent Centers in Metastable Phases Created by Topochemical Reduction Reactions.ANGEWANDTE CHEMIE-INTERNATIONAL EDITION,55(16),4967—4971.
MLA Liu, BM,et al."Unconventional Luminescent Centers in Metastable Phases Created by Topochemical Reduction Reactions".ANGEWANDTE CHEMIE-INTERNATIONAL EDITION 55.16(2016):4967—4971.
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