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https://doi.org/10.1021/ja043969m
Title: | Highly ordered arrays of metal/semiconductor core-shell nanoparticles with tunable nanostructures and photoluminescence | Authors: | Lei, Y. Chim, W.-K. |
Issue Date: | 9-Feb-2005 | Citation: | Lei, Y., Chim, W.-K. (2005-02-09). Highly ordered arrays of metal/semiconductor core-shell nanoparticles with tunable nanostructures and photoluminescence. Journal of the American Chemical Society 127 (5) : 1487-1492. ScholarBank@NUS Repository. https://doi.org/10.1021/ja043969m | Abstract: | Most of the approaches so far in fabricating core-shell nanoparticles (CSNs) are based on wet-chemical methods. It is usually difficult to achieve highly ordered CSN arrays on substrates from such a wet-chemical method. In this work, highly ordered indium oxide coated indium CSNs, with a structure-dependence photoluminescence, are fabricated on Si substrates using a three-step oxidation process. By controlling the three-step oxidation process, the volume ratio of the oxide shell to the whole CSN can be adjusted continuously from 0 to 1, which results in fine-tuning of the intensity and peak-shift of the photoluminescence from the CSNs. Our work is based on a dry oxidation method for fabricating CSNs, which is capable of achieving highly ordered CSN arrays with tunable nanostructures and optical properties. | Source Title: | Journal of the American Chemical Society | URI: | http://scholarbank.nus.edu.sg/handle/10635/50939 | ISSN: | 00027863 | DOI: | 10.1021/ja043969m |
Appears in Collections: | Staff Publications |
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