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Journal ArticleDOI

Surface characterization of CdS0.62Se0.38 by X-ray photoelectron spectroscopy

01 Jan 1992-Journal of Materials Science Letters (Kluwer Academic Publishers)-Vol. 11, Iss: 5, pp 252-254
About: This article is published in Journal of Materials Science Letters.The article was published on 1992-01-01. It has received 7 citations till now. The article focuses on the topics: X-ray photoelectron spectroscopy & Characterization (materials science).
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Journal ArticleDOI
TL;DR: In this paper, the effects of ion sputtering on the surface layers of multicomponent targets are discussed, and it is shown that the changes are due to radiation-induced diffusion and segregation effects.
Abstract: Ion bombardment often leads to compositional changes in the surface layers of multicomponent targets. Such changes due to noble gas ion sputtering are discussed for InP and GaAs. The analyses show that the compositional change in InP (i.e., indium enrichment) is mainly due to preferential sputtering. In the case of GaAs. the changes are due to radiation-induced diffusion and segregation effects. Brief mention is made of compositional changes in a few other systems. The discussion on sputter-induced topography development deals mainly with InP because ion bombardment leads to dramatic topographical effects in this material. Ripple development on GaAs is also briefly discussed. Radiation damage has been well researched, and its mechanism and effects usually differ substantially when going from one semiconductor group to another. Bombardment-induced damage is briefly discussed for InP, GaAs, SiC, some II-VI semiconductors, and HgCdTe.

62 citations

Journal ArticleDOI
TL;DR: In this paper, the photoelectrochemical performance of CdSSe quantum dots tethered to a framework of vertically oriented titania (TiO2) nanotubes was studied.

30 citations

Journal ArticleDOI
TL;DR: In this article, Raman and X-ray photoelectron spectroscopy (XPS) studies have given concurrent results revealing the chemical states of the ternary samples.

23 citations

Journal ArticleDOI
TL;DR: In this paper, a solution mixing and casting of Cd(NO3)2·4H2O and poly(ethylene oxide) (PEO) at different molar ratios (1:100 − 1:600) followed by hydrogen sulfide treatment were employed to fabricate solid films of cadmium sulfide (CdS)/polyethylene Oxide (Poxide) nanocomposites.

12 citations

Journal ArticleDOI
01 May 2020-Vacuum
TL;DR: In this paper, the ternary solid solution (CdS1-xSex) thin films were deposited by Chemical Solution onto ITO/glass substrates at 90 degrees C. The results revealed good crystalline quality of CBD films as an effect of ITO substrate and deposition temperature.

9 citations

References
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TL;DR: In this paper, the dominant deep acceptor in as-grown CdSxSe1-x, attributed to copper, has been studied using both photocapacitance and photoluminescence techniques for x = 0.5-1.
Abstract: The dominant deep acceptor in as-grown CdSxSe1-x, attributed to copper, has been studied using both photocapacitance and photoluminescence techniques for x=0.5-1. Photocapacitance results on internal transitions and transitions to the bands together with luminescence data on donor-acceptor pairs and intra-centre transitions give a consistent picture of the system. It is found that the reduction of the site symmetry due to the mixed S and Se nearest-neighbour shell results in a further splitting of the energy levels of CdSxSe1-x:Cu, and that the energy distance from the acceptor to the valence band decreases with increasing Se content while the distance to the conduction band is comparatively little affected.

3 citations