Nanocrystalline Zn2SiO4:Mn2+ grown in oxidized porous silicon

N. Taghavinia; G. Lerondel; H. Makino; A. Yamamoto; T. Yao; Y. Kawazoe; T. Goto

doi:10.1088/0957-4484/12/4/335

Nanocrystalline Zn₂SiO₄:Mn²⁺ grown in oxidized porous silicon

N. Taghavinia, G. Lerondel, H. Makino, A. Yamamoto, T. Yao, Y. Kawazoe, T. Goto

New Industry Creation Hatchery Center (NICHe)

Research output: Contribution to journal › Conference article › peer-review

45 Citations (Scopus)

Abstract

Zn₂SiO₄:Mn²⁺ nanocrystals were grown in an oxidized porous silicon layer using a chemical impregnation method. Apparently two classes of samples have been obtained. One is characterized by the formation of α-phase zinc silicate crystalline particles, which show green luminescence, and the other one is characterized by β-phase particles, showing yellow luminescence. It was found that in general prolonged annealing, as well as a high degree of impregnation leads to the formation of green-luminescent samples. The decay time of both yellow and green luminescence decreases with the concentration of Mn activator, while generally the decay time of yellow luminescence is considerably larger than that of green luminescence.

Original language	English
Pages (from-to)	547-551
Number of pages	5
Journal	Nanotechnology
Volume	12
Issue number	4
DOIs	https://doi.org/10.1088/0957-4484/12/4/335
Publication status	Published - 2001 Dec
Event	9th International Symposium on Nanostructures: Physics and Technology - St. Petersburg, Russian Federation Duration: 2001 Jun 18 → 2001 Jun 22

ASJC Scopus subject areas

Bioengineering
Chemistry(all)
Materials Science(all)
Mechanics of Materials
Mechanical Engineering
Electrical and Electronic Engineering

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abstract = "Zn2SiO4:Mn2+ nanocrystals were grown in an oxidized porous silicon layer using a chemical impregnation method. Apparently two classes of samples have been obtained. One is characterized by the formation of α-phase zinc silicate crystalline particles, which show green luminescence, and the other one is characterized by β-phase particles, showing yellow luminescence. It was found that in general prolonged annealing, as well as a high degree of impregnation leads to the formation of green-luminescent samples. The decay time of both yellow and green luminescence decreases with the concentration of Mn activator, while generally the decay time of yellow luminescence is considerably larger than that of green luminescence.",

author = "N. Taghavinia and G. Lerondel and H. Makino and A. Yamamoto and T. Yao and Y. Kawazoe and T. Goto",

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T1 - Nanocrystalline Zn2SiO4:Mn2+ grown in oxidized porous silicon

AU - Taghavinia, N.

AU - Lerondel, G.

AU - Makino, H.

AU - Yamamoto, A.

AU - Yao, T.

AU - Kawazoe, Y.

AU - Goto, T.

PY - 2001/12

Y1 - 2001/12

N2 - Zn2SiO4:Mn2+ nanocrystals were grown in an oxidized porous silicon layer using a chemical impregnation method. Apparently two classes of samples have been obtained. One is characterized by the formation of α-phase zinc silicate crystalline particles, which show green luminescence, and the other one is characterized by β-phase particles, showing yellow luminescence. It was found that in general prolonged annealing, as well as a high degree of impregnation leads to the formation of green-luminescent samples. The decay time of both yellow and green luminescence decreases with the concentration of Mn activator, while generally the decay time of yellow luminescence is considerably larger than that of green luminescence.

AB - Zn2SiO4:Mn2+ nanocrystals were grown in an oxidized porous silicon layer using a chemical impregnation method. Apparently two classes of samples have been obtained. One is characterized by the formation of α-phase zinc silicate crystalline particles, which show green luminescence, and the other one is characterized by β-phase particles, showing yellow luminescence. It was found that in general prolonged annealing, as well as a high degree of impregnation leads to the formation of green-luminescent samples. The decay time of both yellow and green luminescence decreases with the concentration of Mn activator, while generally the decay time of yellow luminescence is considerably larger than that of green luminescence.

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Nanocrystalline Zn₂SiO₄:Mn²⁺ grown in oxidized porous silicon

Abstract

ASJC Scopus subject areas

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