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|Title:||Highly ordered arrays of metal/semiconductor core-shell nanoparticles with tunable nanostructures and photoluminescence|
|Authors:||Lei, Y. |
|Source:||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|
|Appears in Collections:||Staff Publications|
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