Band-Gap Engineering Based on Ti@ZnO Nanocolloids: Tunable Optical Properties

Chrystelle Neaime; Fabien Grasset; Tangi Aubert

doi:10.4028/www.scientific.net/KEM.617.161

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Band-Gap Engineering Based on Ti@ZnO Nanocolloids: Tunable Optical Properties
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HomeKey Engineering MaterialsKey Engineering Materials Vol. 617Band-Gap Engineering Based on Ti@ZnO Nanocolloids:...

Band-Gap Engineering Based on Ti@ZnO Nanocolloids: Tunable Optical Properties

Abstract:

One of the largest application areas of sol-gel chemistry is thin-film preparation. Using this approach, we started to synthesize M@ZnO colloidal solutions for the preparation of functional thin films. ZnO is a wide band-gap (3.37 eV) semiconductor with large exciton binding energy. In the bulk or in nanosized form, it could be used in a wide range of applications such as UV light emitters, spin functional devices, gas sensors, transparent electronics or surface acoustic wave devices. Since recently, the preparation of innovative functional M@ZnO materials by doping or functionalizing nanocolloids constitutes a new challenge. Using high concentrations of the different Ti@ZnO nanocolloids, we were able to prepare various functional colloidal solutions with tunable emission and thin films, such as red-luminescent Eu³⁺@ZnTiO₃ or versatile ZnTiON colored nanomaterials.

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Periodical:

Key Engineering Materials (Volume 617)

Pages:

161-165

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.617.161

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Online since:

June 2014

Authors:

Chrystelle Neaime, Fabien Grasset*, Tangi Aubert

Keywords:

Nanoparticle, Optical Property, Thin Film, ZNO

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