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Iranian scientists in association with researchers from University Putra Malaysia obtained stable optimum conditions for the growth of semiconducting nanostructures on metals and metal oxides.
The growth of the desired semiconducting nanostructures (such as zinc oxide) on various metals resulted in the modification of optical properties and sensitivity. Results of the research can be used in the production of humidity sensors.
The research was carried out to obtain stable optimum conditions for the growth of semiconducting nanostructures on metals or metal oxides. The researchers firstly studied all effective elements in the production of nanostructures, and by finding the best stable conditions for the growth of nanostructures (including semiconductors such as zinc oxide), they grew semiconducting nanostructures on various metals to be used in different sensors, including humidity sensors. After the growth of nanostructures, they measures and characterized the properties of the desired material.
The important result of the research can be explained this way. How nanostructures grow through material transfer method in vapor phase is more dependent on the distance between the sub-layer and the main material than it depends on many environmental conditions such as the type of the tube in which experiments takes place.
Among the unique properties of the research, mention can be made of the using a cost-effective method and the growth of semiconducting nanostructures on a sub-layer with a different structure of the semiconductor itself.
Results of the research have been published in Ceramics International, vol. 40, issue 2, March 2014, pp. 3193-3198.
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