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White upconversion luminescence generation from Ho3+ singly doped chalcohalide glasses SCIE SCOPUS

Title
White upconversion luminescence generation from Ho3+ singly doped chalcohalide glasses
Authors
Zhang, JHLiu, CTao, HZGu, SXZhang, GKZhao, XJHeo, J
Date Issued
2014-07
Publisher
PERGAMON-ELSEVIER SCIENCE LTD
Abstract
Bright white light which compose of blue, green and red emission bands from Ho3+ single doped Ge-Ga-S-CsCl (CsBr) chalcohalide glasses under 900 nm infrared laser excitation were observed and investigated. The calculated color coordinates proved that the light were close to the natural sunlight. The low phonon energy of the local surrounding of Ho3+ ions and short ultra-violet cut-off edge resulted in the strong blue emission, as well as the enhanced green and red upconversion luminescence. It was also found that color coordinates of these white lights were independent on the excitation intensity. The result indicated that Ho3+ ions singly doped chalcohalide glass can be promising candidate for white light source, 3-dimensional display or color tunable visible laser. (C) 2014 Elsevier Ltd. All rights reserved.
URI
https://oasis.postech.ac.kr/handle/2014.oak/27051
DOI
10.1016/J.MATERRESBULL.2014.04.004
ISSN
0025-5408
Article Type
Article
Citation
MATERIALS RESEARCH BULLETIN, vol. 55, page. 102 - 105, 2014-07
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허종HEO, JONG
Div. of Advanced Nuclear Enginrg
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