Long wavelength Eu2+ emission in Eu-doped Y-Si-Al-O-N glasses

D. Graaf, de; H.T.J.M. Hintzen; S. Hampshire; G. With, de

doi:10.1016/S0955-2219%2802%2900236-4

Long wavelength Eu2+ emission in Eu-doped Y-Si-Al-O-N glasses

D. Graaf, de, H.T.J.M. Hintzen, S. Hampshire, G. With, de

Materials and Interface Chemistry

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Abstract

A no. of (Eu,Y)-doped Si-Al-O-N glasses were prepd. and their optical properties examd. Eu was found to be present in the divalent instead of the trivalent state due to a reaction between the Eu3+ and the chem. incorporated N3- during the prepn. of the glasses. The luminescence characteristics were found to be negligibly influenced by the O/N and Si/Al ratio, but appear to be strongly dependent on the concn. and type of modifying cations (Eu,Y). As a function of the cationic compn. the emission shifts from wavelengths below 500 nm to wavelengths as long as 640 nm, which is very unusual for Eu2+ contg. compds. This shift to longer wavelengths is ascribed to a combination of energy transfer between the different sites and change of the Eu2+ site distribution.

Original language	English
Pages (from-to)	1093-1097
Number of pages	5
Journal	Journal of the European Ceramic Society
Volume	23
Issue number	7
DOIs	https://doi.org/10.1016/S0955-2219%2802%2900236-4 https://doi.org/10.1016/S0955-2219(02)00236-4
Publication status	Published - 2003

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@article{1f78daf1be8e4a0c8f7d645a6d48218e,

title = "Long wavelength Eu2+ emission in Eu-doped Y-Si-Al-O-N glasses",

abstract = "A no. of (Eu,Y)-doped Si-Al-O-N glasses were prepd. and their optical properties examd. Eu was found to be present in the divalent instead of the trivalent state due to a reaction between the Eu3+ and the chem. incorporated N3- during the prepn. of the glasses. The luminescence characteristics were found to be negligibly influenced by the O/N and Si/Al ratio, but appear to be strongly dependent on the concn. and type of modifying cations (Eu,Y). As a function of the cationic compn. the emission shifts from wavelengths below 500 nm to wavelengths as long as 640 nm, which is very unusual for Eu2+ contg. compds. This shift to longer wavelengths is ascribed to a combination of energy transfer between the different sites and change of the Eu2+ site distribution.",

author = "{Graaf, de}, D. and H.T.J.M. Hintzen and S. Hampshire and {With, de}, G.",

year = "2003",

doi = "10.1016/S0955-2219%2802%2900236-4",

language = "English",

volume = "23",

pages = "1093--1097",

journal = "Journal of the European Ceramic Society",

issn = "0955-2219",

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number = "7",

}

TY - JOUR

T1 - Long wavelength Eu2+ emission in Eu-doped Y-Si-Al-O-N glasses

AU - Graaf, de, D.

AU - Hintzen, H.T.J.M.

AU - Hampshire, S.

AU - With, de, G.

PY - 2003

Y1 - 2003

N2 - A no. of (Eu,Y)-doped Si-Al-O-N glasses were prepd. and their optical properties examd. Eu was found to be present in the divalent instead of the trivalent state due to a reaction between the Eu3+ and the chem. incorporated N3- during the prepn. of the glasses. The luminescence characteristics were found to be negligibly influenced by the O/N and Si/Al ratio, but appear to be strongly dependent on the concn. and type of modifying cations (Eu,Y). As a function of the cationic compn. the emission shifts from wavelengths below 500 nm to wavelengths as long as 640 nm, which is very unusual for Eu2+ contg. compds. This shift to longer wavelengths is ascribed to a combination of energy transfer between the different sites and change of the Eu2+ site distribution.

AB - A no. of (Eu,Y)-doped Si-Al-O-N glasses were prepd. and their optical properties examd. Eu was found to be present in the divalent instead of the trivalent state due to a reaction between the Eu3+ and the chem. incorporated N3- during the prepn. of the glasses. The luminescence characteristics were found to be negligibly influenced by the O/N and Si/Al ratio, but appear to be strongly dependent on the concn. and type of modifying cations (Eu,Y). As a function of the cationic compn. the emission shifts from wavelengths below 500 nm to wavelengths as long as 640 nm, which is very unusual for Eu2+ contg. compds. This shift to longer wavelengths is ascribed to a combination of energy transfer between the different sites and change of the Eu2+ site distribution.

U2 - 10.1016/S0955-2219%2802%2900236-4

DO - 10.1016/S0955-2219%2802%2900236-4

M3 - Article

SN - 0955-2219

VL - 23

SP - 1093

EP - 1097

JO - Journal of the European Ceramic Society

JF - Journal of the European Ceramic Society

IS - 7

ER -

Long wavelength Eu2+ emission in Eu-doped Y-Si-Al-O-N glasses

Abstract

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