Ultrathin CdSe Nanoribbons with Uniform Thickness and Process for Preparation of the Same

摘要

Cadmium selenide nanoribbons having a uniform thickness are provided to emit a blue light having a narrow full width at half maximum of the electroluminescent wavelength and be manufactured at low temperature of 100°C or below. Cadmium selenide nanoribbons having a uniform thickness grow along a crystal face(0001) and are surrounded by crystal faces(1100,1120). A method for manufacturing cadmium selenide semiconductor nanoribbons comprising the cadmium selenide nanoribbons includes the steps of: (i) adding CdCl2 to a C3-C10 alkyl amine, heating and stirring the admixture to form a Cd-alkylamine complex; (ii) adding Se to a C3-C10 alkyl amine, stirring the admixture, and introducing carbon monoxide into the admixture to form a Se precursor; (iii) mixing the Cd-alkylamine complex with the Se precursor and heating the mixture; and (iv) growing nanoribbons while keeping a solution containing the Cd-alkylamine complex and the Se precursor at suitable temperature for growth of nanocrystals.