摘要
SmallVolume 11, Issue 23 p. 2768-2773 Communication Y2O3:Yb3+/Er3+ Hollow Spheres with Controlled Inner Structures and Enhanced Upconverted Photoluminescence Lingbo Zong, Lingbo Zong Department of Physical Chemistry, School of Metallurgical & Ecological Engineering, University of Science and Technology Beijing, Beijing, 100083 ChinaSearch for more papers by this authorPengfei Xu, Pengfei Xu Department of Physical Chemistry, School of Metallurgical & Ecological Engineering, University of Science and Technology Beijing, Beijing, 100083 ChinaSearch for more papers by this authorYunji Ding, Yunji Ding Department of Physical Chemistry, School of Metallurgical & Ecological Engineering, University of Science and Technology Beijing, Beijing, 100083 ChinaSearch for more papers by this authorKun Zhao, Kun Zhao Department of Physical Chemistry, School of Metallurgical & Ecological Engineering, University of Science and Technology Beijing, Beijing, 100083 ChinaSearch for more papers by this authorZumin Wang, Zumin Wang Department of Physical Chemistry, School of Metallurgical & Ecological Engineering, University of Science and Technology Beijing, Beijing, 100083 ChinaSearch for more papers by this authorXuecheng Yan, Xuecheng Yan Queensland Micro- and Nanotechnology Centre, Griffith University, Nathan Campus, QLD, 4111 AustraliaSearch for more papers by this authorRanbo Yu, Corresponding Author Ranbo Yu Department of Physical Chemistry, School of Metallurgical & Ecological Engineering, University of Science and Technology Beijing, Beijing, 100083 ChinaE-mail: [email protected]Search for more papers by this authorJun Chen, Jun Chen Department of Physical Chemistry, School of Metallurgical & Ecological Engineering, University of Science and Technology Beijing, Beijing, 100083 ChinaSearch for more papers by this authorXianran Xing, Xianran Xing Department of Physical Chemistry, School of Metallurgical & Ecological Engineering, University of Science and Technology Beijing, Beijing, 100083 ChinaSearch for more papers by this author Lingbo Zong, Lingbo Zong Department of Physical Chemistry, School of Metallurgical & Ecological Engineering, University of Science and Technology Beijing, Beijing, 100083 ChinaSearch for more papers by this authorPengfei Xu, Pengfei Xu Department of Physical Chemistry, School of Metallurgical & Ecological Engineering, University of Science and Technology Beijing, Beijing, 100083 ChinaSearch for more papers by this authorYunji Ding, Yunji Ding Department of Physical Chemistry, School of Metallurgical & Ecological Engineering, University of Science and Technology Beijing, Beijing, 100083 ChinaSearch for more papers by this authorKun Zhao, Kun Zhao Department of Physical Chemistry, School of Metallurgical & Ecological Engineering, University of Science and Technology Beijing, Beijing, 100083 ChinaSearch for more papers by this authorZumin Wang, Zumin Wang Department of Physical Chemistry, School of Metallurgical & Ecological Engineering, University of Science and Technology Beijing, Beijing, 100083 ChinaSearch for more papers by this authorXuecheng Yan, Xuecheng Yan Queensland Micro- and Nanotechnology Centre, Griffith University, Nathan Campus, QLD, 4111 AustraliaSearch for more papers by this authorRanbo Yu, Corresponding Author Ranbo Yu Department of Physical Chemistry, School of Metallurgical & Ecological Engineering, University of Science and Technology Beijing, Beijing, 100083 ChinaE-mail: [email protected]Search for more papers by this authorJun Chen, Jun Chen Department of Physical Chemistry, School of Metallurgical & Ecological Engineering, University of Science and Technology Beijing, Beijing, 100083 ChinaSearch for more papers by this authorXianran Xing, Xianran Xing Department of Physical Chemistry, School of Metallurgical & Ecological Engineering, University of Science and Technology Beijing, Beijing, 100083 ChinaSearch for more papers by this author First published: 10 March 2015 https://doi.org/10.1002/smll.201402320Citations: 35Read the full textAboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Graphical Abstract Multishell Y2O3:Yb3+/Er3+ hollow spheres with uniform morphologies and controllable inner structures are prepared successfully by using a glucose-template hydrothermal process followed by temperature-programmed calcination. Much enhanced upconverted photoluminescence of these Y2O3:Yb3+/Er3+ are observed, which are due to the multiple reflections and the enhanced light-harvesting efficiency of the NIR light resulting from the special features of the multishell structures. References 1F. Auzel, Chem. Rev. 2004, 104, 139. 2a) R. Scheps, Prog. Quantum Electron, 1996, 20, 271; b) F. Heine, E. Heumann, T. Danger, T. Schweizer, G. Huber, Appl. Phys. Lett. 1994, 65, 383; c) E. Downing, L. Hesselink, J. Ralston, R. Macfarlane, Science 1996, 273, 1185; d) L. L. Liang, Y. M. Liu, C. H. Bu, K. M. Guo, W. W. Sun, N. Huang, T. Peng, B. Sebo, M. M. Pan, W. Liu, S. S. Guo, X. Z. Zhao, Adv. Mater. 2013, 25, 2174. 3a) F. Zhang, Q. H. Shi, Y. C. Zhang, Y. F. 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