Nanoencapsulation of ZnS:Ag particulates with indium tin oxide for field emission displays

M. Ollinger; V. Craciun; R. K. Singh

doi:10.1063/1.1453477

Nanoencapsulation of ZnS:Ag particulates with indium tin oxide for field emission displays

M. Ollinger, V. Craciun, R. K. Singh

University of Florida

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

34 Scopus citations

Abstract

Cathodoluminescence degradation measurements showed that by applying a nanometer-scale indium tin oxide (ITO) coating on micron-sized ZnS:Ag particles, the degradation lifetime was dramatically improved. X-ray photoelectron spectroscopy (XPS) analysis showed that the Zn2p_3/2 and S2p peaks of the electron beam irradiated ZnS:Ag were shifted to higher binding energies, which correspond to oxidized elements with respect to those found for the commercial ZnS:Ag particulates. The XPS analysis for the ITO coated ZnS:Ag showed a broadening of the Zn2p_3/2 and S2p peaks, which were a convolution of several peaks. In this case, the Zn2p_3/2 and S2p peaks corresponding to ZnS were still present together with another shoulder corresponding to the oxidized elements. This difference in the XPS results shows that the ITO coating reduced the degradation rate by slowing the surface chemical changes on the ZnS:Ag powder.

Original language	English
Pages (from-to)	1927-1929
Number of pages	3
Journal	Applied Physics Letters
Volume	80
Issue number	11
DOIs	https://doi.org/10.1063/1.1453477
State	Published - 18 Mar 2002
Externally published	Yes

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title = "Nanoencapsulation of ZnS:Ag particulates with indium tin oxide for field emission displays",

abstract = "Cathodoluminescence degradation measurements showed that by applying a nanometer-scale indium tin oxide (ITO) coating on micron-sized ZnS:Ag particles, the degradation lifetime was dramatically improved. X-ray photoelectron spectroscopy (XPS) analysis showed that the Zn2p3/2 and S2p peaks of the electron beam irradiated ZnS:Ag were shifted to higher binding energies, which correspond to oxidized elements with respect to those found for the commercial ZnS:Ag particulates. The XPS analysis for the ITO coated ZnS:Ag showed a broadening of the Zn2p3/2 and S2p peaks, which were a convolution of several peaks. In this case, the Zn2p3/2 and S2p peaks corresponding to ZnS were still present together with another shoulder corresponding to the oxidized elements. This difference in the XPS results shows that the ITO coating reduced the degradation rate by slowing the surface chemical changes on the ZnS:Ag powder.",

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AU - Ollinger, M.

AU - Craciun, V.

AU - Singh, R. K.

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AB - Cathodoluminescence degradation measurements showed that by applying a nanometer-scale indium tin oxide (ITO) coating on micron-sized ZnS:Ag particles, the degradation lifetime was dramatically improved. X-ray photoelectron spectroscopy (XPS) analysis showed that the Zn2p3/2 and S2p peaks of the electron beam irradiated ZnS:Ag were shifted to higher binding energies, which correspond to oxidized elements with respect to those found for the commercial ZnS:Ag particulates. The XPS analysis for the ITO coated ZnS:Ag showed a broadening of the Zn2p3/2 and S2p peaks, which were a convolution of several peaks. In this case, the Zn2p3/2 and S2p peaks corresponding to ZnS were still present together with another shoulder corresponding to the oxidized elements. This difference in the XPS results shows that the ITO coating reduced the degradation rate by slowing the surface chemical changes on the ZnS:Ag powder.

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Nanoencapsulation of ZnS:Ag particulates with indium tin oxide for field emission displays

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