Photophysical Properties of ZnS Nanoclusters with Spatially Localized Mn2

The synthesis and photophysical characterization of nanometer-size ZnS with and without Mn2+ are reported. Without Mn2+, the ZnS nanoclusters emit in the blue upon ultraviolet excitation. ZnS doped with 1−5% Mn2+ (presumably in Zn2+ sites) yields the orange emission observed for bulk Zn:Mn phosphors...

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Veröffentlicht in:	Journal of physical chemistry (1952) 1996-03, Vol.100 (11), p.4551-4555
Hauptverfasser:	Sooklal, Kelly, Cullum, Brian S, Angel, S. Michael, Murphy, Catherine J
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Sprache:	eng
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container_title	Journal of physical chemistry (1952)
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creator	Sooklal, Kelly Cullum, Brian S Angel, S. Michael Murphy, Catherine J
description	The synthesis and photophysical characterization of nanometer-size ZnS with and without Mn2+ are reported. Without Mn2+, the ZnS nanoclusters emit in the blue upon ultraviolet excitation. ZnS doped with 1−5% Mn2+ (presumably in Zn2+ sites) yields the orange emission observed for bulk Zn:Mn phosphors but with greatly reduced emissive lifetimes. ZnS with surface-bound Mn2+, in contrast, emits in the ultraviolet with even shorter lifetimes. Thus, the physical location of Mn2+ in the ZnS nanocluster determines its optical properties.
doi_str_mv	10.1021/jp952377a
format	Article
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Michael ; Murphy, Catherine J</creator><creatorcontrib>Sooklal, Kelly ; Cullum, Brian S ; Angel, S. Michael ; Murphy, Catherine J</creatorcontrib><description>The synthesis and photophysical characterization of nanometer-size ZnS with and without Mn2+ are reported. Without Mn2+, the ZnS nanoclusters emit in the blue upon ultraviolet excitation. ZnS doped with 1−5% Mn2+ (presumably in Zn2+ sites) yields the orange emission observed for bulk Zn:Mn phosphors but with greatly reduced emissive lifetimes. ZnS with surface-bound Mn2+, in contrast, emits in the ultraviolet with even shorter lifetimes. 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Michael</creatorcontrib><creatorcontrib>Murphy, Catherine J</creatorcontrib><title>Photophysical Properties of ZnS Nanoclusters with Spatially Localized Mn2</title><title>Journal of physical chemistry (1952)</title><addtitle>J. Phys. Chem</addtitle><description>The synthesis and photophysical characterization of nanometer-size ZnS with and without Mn2+ are reported. Without Mn2+, the ZnS nanoclusters emit in the blue upon ultraviolet excitation. ZnS doped with 1−5% Mn2+ (presumably in Zn2+ sites) yields the orange emission observed for bulk Zn:Mn phosphors but with greatly reduced emissive lifetimes. ZnS with surface-bound Mn2+, in contrast, emits in the ultraviolet with even shorter lifetimes. 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Without Mn2+, the ZnS nanoclusters emit in the blue upon ultraviolet excitation. ZnS doped with 1−5% Mn2+ (presumably in Zn2+ sites) yields the orange emission observed for bulk Zn:Mn phosphors but with greatly reduced emissive lifetimes. ZnS with surface-bound Mn2+, in contrast, emits in the ultraviolet with even shorter lifetimes. Thus, the physical location of Mn2+ in the ZnS nanocluster determines its optical properties.</abstract><pub>American Chemical Society</pub><doi>10.1021/jp952377a</doi><tpages>5</tpages></addata></record>
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title	Photophysical Properties of ZnS Nanoclusters with Spatially Localized Mn2
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