Nanostructures boost efficiency of LEDs

TEHRAN, Jan. 23 (MNA) – Iranian researchers increased the quality of blue light LEDs by using nanostructures in a new study the results of which can be applied in optical electronics and military industries, INIC reports.

Carrying out studies on the production and application of nanostructure semiconductors has currently become popular among the researchers. Cadmium sulfide nanostructures are very good for the sorption of visible lights, and they are the best option for the production of solar cells. According to Iran Nanotechnology Initiative Council (INIC), these nanostructures also have applications in the production of LEDs, optical electronic devices and photocatalysts.

According to the researchers, the most important achievement of this research is to increase the efficiency of blue light LED containing cadmium sulfide nanostructures. In fact, a blue light sensor with faster response in comparison with pure cadmium sulfide has been produced in this research by suing cadmium sulfide nanostructures doped with zinc. The response of the sensor does not change in the long period of radiation because of the method used in the production of the nanostructure.

Doping of semiconductors with other elements affects their physical properties such as electrical, optical and magnetic ones. In this research, the doping of cadmium sulfide with zinc increases blue light sorption window by cadmium sulfide nanostructures. As a result, final cadmium sulfide nanostructures have faster response with more severity towards blue light beams.

Results of the research have been published in Ceramics International, vol. 42, issue 1, Part B, 2016, pp. 1891-1896.




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