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Synthesis and Optical Properties of CdS0.75Se0.25 Micro-Tetrapods

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In this paper, ternary alloy CdS0.75Se0.25 tetrapod microstructures were synthesized by vapor phase transport method on sapphire substrates in the presence of Au nanocatalysts with mixtures of CdS and CdSe micronparticles as the source materials. The morphology, composition, and crystal structure of the CdS0.75Se0.25 tetrapod nanostructures were well characterized by field emission scanning electron microscopy (FESEM), X-ray diffraction (XRD), and energy-dispersive X-ray spectroscopy (EDS) measurements. The growth mechanism and process of the CdS0.75Se0.25 tetrapod were discussed. The photoluminescence spectra indicated the CdS0.75Se0.25 tetrapod had a near band edge visible-light emission at 585.3 nm. The temperature-dependent photoluminescence results revealed the exciton-related optical properties. Finally, amplified spontaneous emission was observed from the CdS0.75Se0.25 tetrapod microstructures.
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Document Type: Research Article

Publication date: April 1, 2017

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  • Journal of Nanoelectronics and Optoelectronics (JNO) is an international and cross-disciplinary peer reviewed journal to consolidate emerging experimental and theoretical research activities in the areas of nanoscale electronic and optoelectronic materials and devices into a single and unique reference source. JNO aims to facilitate the dissemination of interdisciplinary research results in the inter-related and converging fields of nanoelectronics and optoelectronics.
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