Surface-mediated structural transformation in CdTe nanoparticles dispersed in SiO2 thin films

Abstract

Nanoassembly control and optical absorption in CdTe-ZnO nanocomposite thin films J. Appl. Phys. 111, 034305 (2012); 10.1063/1.3679081 Microstructure and optical characterization of CdTe quantum dots synthesized in a record minimum time

Surface sensitive probe of the morphological and structural aspects of CdSe core–shell nanoparticles

“…The short inelastic mean free path of the core level electrons makes XPS a surface sensitive technique since the information depth does not increase more than a few monolayers. We have gainfully used XPS to probe the core shell structure of other nanomaterials in the recent past [15][16][17]. In this work denconvolution of the core-levels of different elements into gaussians components would also reveal the presence of different chemical states of Cd and Se along the depth of the CdSe nanocrystallites as observed in the present study.…”

Effect of Fe doping on the gas sensing properties of nano-crystalline SnO2 thin films

“…This is also confirmed by TEM studies described in the next paragraph. [13]. Further, the lattice parameter 'a' was estimated from extrapolated NRF data.…”

A Two-Step Synthesis Procedure for In2O3Nanoparticle Films Having Well-Defined Particle Size

“…In(OH) 3 has the face centered cubic structure with a lattice constant of 7.974 A and In 2 O 3 has a bixbyite type cubic structure with 10.123 A lattice constant. 18) In another study on CdTe nanoparticles dispersed in SiO 2 films, it has been observed that the presence of a crystalline CdTeO 3 layer around CdTe nanoparticles results in a large number of defects in CdTe structure 19) At higher sintering temperatures, In 2 O 3 structure becomes defect free and improves because of the removal of In(OH) 3 layer. The linear variation of the NRF vs d=d plots for samples annealed at temperatures higher than 350 C confirms this.…”