期刊
INTERNATIONAL JOURNAL OF APPLIED GLASS SCIENCE
卷 5, 期 2, 页码 104-113出版社
WILEY PERIODICALS, INC
DOI: 10.1111/ijag.12074
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资金
- National Research Foundation of Korea (NRF) - Ministry of Education (MOE) [2009-0094036]
- Fundamental Research Funds for the Central Universities of China [WUT: 2012-IV-022, 2013-II-010]
- Natural Science Foundation of Hubei Province [2012FFA024]
- National Natural Science Foundation of China [51202170]
- Program for New Century Excellent Talents in University [NCET-13-0943]
- Chutian Scholar Program of Hubei Province
- Nippon Sheet Glass Foundation for Materials Science and Engineering
- National Research Foundation of Korea [10Z20130000001, 2009-0094036] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
Distribution and roles of rare earth ions in fluoride nanocrystals and lead chalcogenide quantum dots formed in glasses are reported. High-resolution transmission electron microscopic analysis and electron energy loss spectroscopic (EELS) analysis showed that oxyfluoride glasses initially form crystals with high Er3+ content such as PbErF5 during heating and gradually form crystals with low Er3+ concentration. Amount of PbErF5 crystals depended upon the initial concentration of Er3+ ions in the parent glasses. EELS analysis also showed that Nd3+ ions were formed inside PbS quantum dots, supporting the proposition of the formation of Nd-O clusters.
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