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876409318: ½ð±Ò+5, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸ 2013-07-02 09:57:36
yaolan123: ½ð±Ò+1, ¸ÐлӦÖú£¬½±ÀøÒ»Ï 2013-07-03 08:45:26
876409318: ½ð±Ò+5, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸ 2013-07-02 09:57:36
yaolan123: ½ð±Ò+1, ¸ÐлӦÖú£¬½±ÀøÒ»Ï 2013-07-03 08:45:26
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Accession number: 20130315910455 Title: Preparation and up-conversion efficiencies of Yb3+, Er3+ Co-doped BaGd2ZnO5 Authors: Yang, Yan-Min1 ; Jiao, Fu-Yun1; Su, Hong-Xin1 ; Li, Zi-Qiang1; Jiao, Jin-Peng2; Liu, Yun-Feng3; Li, Zhi-Qiang1 Author affiliation: 1 College of Science and Technology, Hebei University, Baoding 071002, China 2 Aerospace Long March Launch Vehicle Technology CO., LTD., Beijing 100176, China 3 Industrial and Commercial College, Hebei University, Baoding 071002, China Corresponding author: Su, H.-X. (yangym@163.com) Source title: Faguang Xuebao/Chinese Journal of Luminescence Abbreviated source title: Faguang Xuebao Volume: 33 Issue: 12 Issue date: December 2012 Publication year: 2012 Pages: 1319-1323 Language: Chinese ISSN: 10007032 CODEN: FAXUEW Document type: Journal article (JA) Publisher: Chines Academy of Sciences, Southeast Lake Heading on 16th, Chungchun City, 130033, China Abstract: BaGd2ZnO5 phosphors with different doping concentrations of Yb3+, Er3+ were prepared by using the sol-gel method. Up-conversion fluorescence powers and efficiencies were measured under different excitation density. The obtained data show that each sample has a maximum value in emission power. Among those sample, the sample of doping Yb3+ (4%), Er3+ (1%) has the highest power of 20 mW. Each sample had a maximum value of up-conversion absolute fluorescence efficiency. This value shifts to the lower exciting density with the increasing content of Yb3+ and Er3+. The highest efficiency is 3.2% for Yb3+ (9%) and Er3+ (3%) sample, and the highest fluorescence efficiency is 6.9%. Number of references: 17 Main heading: Erbium Controlled terms: Conversion efficiency - Efficiency - Fluorescence - Sol-gel process - Ytterbium - Zinc oxide Uncontrolled terms: Co-doped - Doping concentration - Emission power - Excitation density - Fluorescence efficiency - Oxidate - Up-conversion - Up-conversion efficiency - ZnO Classification code: 525.5 Energy Conversion Issues - 547.2 Rare Earth Metals - 741.1 Light/Optics - 804.2 Inorganic Compounds - 813.1 Coating Techniques - 913.1 Production Engineering DOI: 10.3788/fgxb20123312.1319 Database: Compendex Compilation and indexing terms, © 2013 Elsevier Inc. |
2Â¥2013-07-01 21:23:24
4Â¥2013-07-02 10:01:00
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