On the graphite-induced UV transparency in phosphate glasses

José A. Jiménez

doi:10.1016/j.optmat.2016.09.044

On the graphite-induced UV transparency in phosphate glasses

José A. Jiménez

Research output: Contribution to journal › Article › peer-review

15 Scopus citations

Abstract

In this Communication, the origin of the graphite-induced UV transparency in phosphate glasses is scrutinized beyond the commonly accepted reduction of metal impurities. A systematic study was carried out by melting phosphate glasses with increasing amounts of graphite powder. Subsequent characterizations were performed by UV/Vis transmission, photoluminescence, ³¹P nuclear magnetic resonance and x-ray photoelectron spectroscopies. The data points to a structural modification accompanying the enhanced UV transparency. A model accounting for P[sbnd]O[sbnd]C bond formation and the generation of reactive oxygen species is proposed in line with the new structural view suggested.

Original language	English (US)
Pages (from-to)	42-46
Number of pages	5
Journal	Optical Materials
Volume	62
DOIs	https://doi.org/10.1016/j.optmat.2016.09.044
State	Published - Dec 1 2016
Externally published	Yes

Keywords

Glasses
Luminescence
Optical properties

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
General Computer Science
Atomic and Molecular Physics, and Optics
Spectroscopy
Physical and Theoretical Chemistry
Organic Chemistry
Inorganic Chemistry
Electrical and Electronic Engineering

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10.1016/j.optmat.2016.09.044

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title = "On the graphite-induced UV transparency in phosphate glasses",

abstract = "In this Communication, the origin of the graphite-induced UV transparency in phosphate glasses is scrutinized beyond the commonly accepted reduction of metal impurities. A systematic study was carried out by melting phosphate glasses with increasing amounts of graphite powder. Subsequent characterizations were performed by UV/Vis transmission, photoluminescence, 31P nuclear magnetic resonance and x-ray photoelectron spectroscopies. The data points to a structural modification accompanying the enhanced UV transparency. A model accounting for P[sbnd]O[sbnd]C bond formation and the generation of reactive oxygen species is proposed in line with the new structural view suggested.",

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AU - Jiménez, José A.

PY - 2016/12/1

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N2 - In this Communication, the origin of the graphite-induced UV transparency in phosphate glasses is scrutinized beyond the commonly accepted reduction of metal impurities. A systematic study was carried out by melting phosphate glasses with increasing amounts of graphite powder. Subsequent characterizations were performed by UV/Vis transmission, photoluminescence, 31P nuclear magnetic resonance and x-ray photoelectron spectroscopies. The data points to a structural modification accompanying the enhanced UV transparency. A model accounting for P[sbnd]O[sbnd]C bond formation and the generation of reactive oxygen species is proposed in line with the new structural view suggested.

AB - In this Communication, the origin of the graphite-induced UV transparency in phosphate glasses is scrutinized beyond the commonly accepted reduction of metal impurities. A systematic study was carried out by melting phosphate glasses with increasing amounts of graphite powder. Subsequent characterizations were performed by UV/Vis transmission, photoluminescence, 31P nuclear magnetic resonance and x-ray photoelectron spectroscopies. The data points to a structural modification accompanying the enhanced UV transparency. A model accounting for P[sbnd]O[sbnd]C bond formation and the generation of reactive oxygen species is proposed in line with the new structural view suggested.

KW - Glasses

KW - Luminescence

KW - Optical properties

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SN - 0925-3467

VL - 62

SP - 42

EP - 46

JO - Optical Materials

JF - Optical Materials

ER -

On the graphite-induced UV transparency in phosphate glasses

Abstract

Keywords

ASJC Scopus subject areas

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