Preparation and tunable photoluminescence of alloyed CdSxSe1−x nanorods
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Ternary alloys of CdSxSe1−x nanorods have been synthesized by the thermal treatment of Cd2+ dispersed polyethylene glycol 2000 gel (PEG2000) with ethylenediamine solution of sulfur and selenium in a sealed system at 180 °C for 24 h, during which the proportion between S and Se in the nanorods was controlled by the ratios of every starting material to each other. The alloyed ternary CdSxSe1−x nanorods are highly crystalline without any other phase. The optical property these nanorods could be manipulated by modulating the composition of S and Se.
KeywordsSelect Area Electron Diffraction Pattern Sulfur Source Near Band Edge CdSe Nanorods Sulfur Precursor