CDSE Quantum Dots
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The document discusses research on cadmium selenide (CdSe) quantum dots, which are semiconductor nanoparticles known for their unique optical properties. It details the preparation method, characterization techniques such as transmission electron microscopy (TEM) and X-ray diffraction (XRD), and the assessment of their optical properties via UV-Vis measurements. The study highlights the promising applications of these quantum dots in bioassays.
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CDSE Quantum Dots
- 1. Abstract of Emerging Trends in Scientific Research, 2016, Vol.5 DOI: 10.18488/journal.1002/2016.5/1005.5 5th International Conference on Emerging Trends in Scientific Research 27-28 February, 2016 Flora Grand Hotel, Dubai Conference Website: www.pakrdw.com 10 Paper ID: 833/16/5 th ICETSR CDSE Quantum Dots Shaimaa Ahmed Habib1 1 Tanta , Egypt Abstract Quantum dots (QDs) are semiconductor nanoparticles with very interesting optical properties, like high quantum yield or narrow and size-tunable fluorescence spectra. Current applications of QDs are wide-spread, their use as fluorescence labels in bioassays being one of the most promising applications. CdSe semiconductor nanoparticles (NPs) have been prepared by the organometallic pyrolysis method developed by Murray et al , and modified by Peng et al. The formation of the quantum dot nanoparticles have been clearly seen in the TEM images. Powder X-ray diffraction (XRD) has confirmed the structure of the products. In addition, the crystalline phase and the size distribution of the nanocrystals have been determined by XRD and TEM, respectively .The optical properties have been assessed by UV-Vis measurements. Keywords: Nanoparticles, Quantum dots, TEM, XRD. Contribution of study Synthesis, Characterization and Optical Properties of CdSe Quantum Dots.