Micromolding in capillaries for calcination-free fabrication of flexible inorganic phosphor films consisting of rare-earth-ion-doped nanoparticles

We discuss the micromolding in capillaries technique for the direct fabrication of calcination-free rare earth ion-doped (RE) phosphor films consisting of RE nanoparticles on plastic sheets. We synthesized two types of RE nanoparticles consisting of Y2O3 matrix doped with Er and Yb ions. Green upcon...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1999. - 29(2013), 35 vom: 03. Sept., Seite 11185-91
1. Verfasser: Watanabe, Satoshi (VerfasserIn)
Weitere Verfasser: Asanuma, Takeo, Hyodo, Hiroshi, Soga, Kohei, Matsumoto, Mutsuyoshi
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2013
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article
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245 1 0 |a Micromolding in capillaries for calcination-free fabrication of flexible inorganic phosphor films consisting of rare-earth-ion-doped nanoparticles 
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520 |a We discuss the micromolding in capillaries technique for the direct fabrication of calcination-free rare earth ion-doped (RE) phosphor films consisting of RE nanoparticles on plastic sheets. We synthesized two types of RE nanoparticles consisting of Y2O3 matrix doped with Er and Yb ions. Green upconversion luminescence, red upconversion luminescence, and near-infrared fluorescence appeared from the RE nanoparticles under excitation of near-infrared light. Adjusting the channel width and depth of polydimethylsiloxane molds led to control of the density of nanoparticles in the patterned RE nanoparticle films. Adjusting concentration of the RE nanoparticle dispersion and size of the RE nanoparticles allowed for the control of the density of nanoparticles in the patterned RE nanoparticle films. The density of nanoparticles in the patterned RE films on plastic sheets increased with an increase in the number of injection and drying of the RE nanoparticle dispersion. These results demonstrate that this technique enables us to directly fabricate the patterned RE phosphor films on plastic sheets, leading to the fabrication of inorganic flexible devices with small fabrication steps and material consumptions 
650 4 |a Journal Article 
700 1 |a Asanuma, Takeo  |e verfasserin  |4 aut 
700 1 |a Hyodo, Hiroshi  |e verfasserin  |4 aut 
700 1 |a Soga, Kohei  |e verfasserin  |4 aut 
700 1 |a Matsumoto, Mutsuyoshi  |e verfasserin  |4 aut 
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