Tuning the optical properties of alloyed CdSexS1−x nanoparticles by changing the constituent stoichiometry
Author:
Publisher
Elsevier BV
Subject
Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics,General Materials Science
Reference18 articles.
1. Quantum crystallites and nonlinear optics
2. Kolloidale Halbleiter-Q-Teilchen: Chemie im Übergangsbereich zwischen Festkörper und Molekül
3. Oxygen interaction of CdS-based gas sensors with different stoichiometric compositions was studied by X-ray photoelectron spectroscopy (XPS) and thermal-desorption mass spectroscopy observations combined with conductivity measurements. Three different types of film with different atomic ratios of Cd/S were used in the study of oxygen chemisorption in a low-temperature range between 300 and 570 K. Spray pyrolysis was used for the deposition of the films on glass substrates; XPS and energy dispersive spectroscopy of X-ray together with atomic force microscopy and scanning electron microscopy were used for the characterization of the composition and structure of the films. It was possible to distinguish different temperature ranges for the thermal desorption of the different adsorbed oxygen species. A comparison of the data from XPS and mass-spectroscopy observations with conductance measurements allows to conclude that metallic surface atoms are responsible for different interactions of oxygen species with CdS surfaces.
4. Nanoribbon Waveguides for Subwavelength Photonics Integration
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1. Bath atomic composition and deposition time influence on the properties of nanostructured CdS0.5Se0.5 thin films synthesized by CBD;Materials Chemistry and Physics;2015-09
2. Blue Fluorescence in Doped LaF3 Nanocrystals Synthesized by Microwave Technique;Advanced Materials Research;2012-10
3. Tuning the internal structures of CdSeS nanoparticles by using different selenium and sulphur precursors;Materials Science and Engineering: B;2010-01
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