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


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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.



Edited by:

Kenjiro Fujimoto, Shigehiro Kawamori, Stéphane Cordier and Franck Tessier




C. Neaime et al., "Band-Gap Engineering Based on Ti@ZnO Nanocolloids: Tunable Optical Properties", Key Engineering Materials, Vol. 617, pp. 161-165, 2014

Online since:

June 2014




* - Corresponding Author

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