Characterization on thermal stability of ZnS: Mn2+/MPS/SiO 2 nano-phosphor film

H. Kubo, Tetsuhiko Isobe, H. Takahashi, S. Itoh

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

When the screen-printed ZnS:Mn2+ nano-phosphor film is heated under ambient condition, the photoluminescence (PL) intensity due to the d-d transition of Mn2+ decreases with increasing temperatures. The coating of 3-mercaptopropyl trimethoxysilane (MPS) and SiO2 around ZnS:Mn2+ nanoparticles is effective to suppress the decrease in the PL intensity by heating. This is explained by suppressing the oxidation of ZnS:Mn2+ nanoparticles and the carbonization of propyl chain in MPS by SiO2 coating.

Original languageEnglish
Pages (from-to)465-468
Number of pages4
JournalApplied Surface Science
Volume244
Issue number1-4
DOIs
Publication statusPublished - 2005 May 15

Fingerprint

Phosphors
phosphors
Photoluminescence
Thermodynamic stability
thermal stability
Nanoparticles
photoluminescence
coatings
Coatings
nanoparticles
carbonization
Carbonization
Heating
Oxidation
oxidation
heating
Temperature
temperature
trimethoxysilane
(3-mercaptopropyl)trimethoxysilane

Keywords

  • Nano-phosphor
  • Nanocrystal
  • Photoluminescence
  • ZnS:Mn

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Surfaces, Coatings and Films
  • Condensed Matter Physics

Cite this

Characterization on thermal stability of ZnS : Mn2+/MPS/SiO 2 nano-phosphor film. / Kubo, H.; Isobe, Tetsuhiko; Takahashi, H.; Itoh, S.

In: Applied Surface Science, Vol. 244, No. 1-4, 15.05.2005, p. 465-468.

Research output: Contribution to journalArticle

Kubo, H. ; Isobe, Tetsuhiko ; Takahashi, H. ; Itoh, S. / Characterization on thermal stability of ZnS : Mn2+/MPS/SiO 2 nano-phosphor film. In: Applied Surface Science. 2005 ; Vol. 244, No. 1-4. pp. 465-468.
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