Photoluminescence of Mn2+ Centers in Chalcohalide Glasses

Yan Q, Liu Y, Chen G, Da N, Wondraczek L (2011)

Publication Type: Journal article

Publication year: 2011

Journal

Journal of the American Ceramic Society Wiley-Blackwell

Book Volume: 94

Pages Range: 660-662

Journal Issue: 3

DOI: 10.1111/j.1551-2916.2010.04356.x

Abstract

We report on photoluminescence from Mn2+-doped chalcohalide glasses of the GeS$_2$--Ga$_2$S$_3$--CsCl system. Upon blue excitation at 447 nm, a broad emission band occurs in the green spectral range from 500 to 600 nm, indicating the presence of tetrahedrally coordinated Mn2+ species. When the Mn2+-concentration is increased up to 2 mol%, an increasingly intense secondary emission band evolves at about 610--660 nm. Meanwhile, the intensity of the green band decreases gradually and shifts toward the red, resulting a very flatten luminescence from 500 to 750 nm, which provides a promising white light emitting source. As for the origin of this unique luminescence behavior of Mn2+, it is proposed that the ligand coordination number of Mn2+ in the present chalcohalide glasses experiences a partial change from tetrahedral to octahedral coordination.

Authors with CRIS profile

Ning Da Professur für Werkstoffwissenschaften (Glas und Keramik) Lothar Wondraczek Professur für Werkstoffwissenschaften (Glas und Keramik)

Additional Organisation(s)

Exzellenz-Cluster Engineering of Advanced Materials

Involved external institutions

East China University of Science and Technology (ECUST) CN China (CN)

How to cite

APA:

Yan, Q., Liu, Y., Chen, G., Da, N., & Wondraczek, L. (2011). Photoluminescence of Mn2+ Centers in Chalcohalide Glasses. Journal of the American Ceramic Society, 94(3), 660-662. https://dx.doi.org/10.1111/j.1551-2916.2010.04356.x

MLA:

Yan, Qiqi, et al. "Photoluminescence of Mn2+ Centers in Chalcohalide Glasses." Journal of the American Ceramic Society 94.3 (2011): 660-662.

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