Facile Synthesis and Structural, Microstructural, and Dielectric Characteristics of SnO₂-CeO₂ Semiconducting Binary Nanocomposite

Abstract

Polycrystalline (1-x)SnO2-xCeO2 nanocomposites, where x = 0, 0.05, and 0.10, were synthesized using conventional co-precipitation method without any traces of impurities. Structural characterization revealed that the composition with x = 0 exhibited single-phase tetragonal rutile symmetry, whereas for x = 0.05 and 0.10 compositions showed both tetragonal and cubic phase coexistence as confirmed by Rietveld refinement studies. HRTEM micrographs showed nanoscale formation of nanocomposites and also displayed fringes depicting d spacing (110) = 0.34 nm belonging to SnO2 crystal matrix and d spacing (111) = 0.31 nm for cubic CeO2 crystal lattice. Dielectric properties of host SnO2 nanoparticles were improved by CeO2 addition in the SnO2. The increment in the real part of dielectric permittivity was observed for CeO2 modification of SnO2 matrix.

Morphological analysis and grain size distribution of SnO2 nanoparticles via digital image processing across diverse calcination temperatures

“…Hence, it is crucial to conduct research in this area and study the impact of these variables. 12,13 The calcination or annealing temperature used during the synthesis of nanoparticles plays a crucial role in modifying the structural, morphological, optical, and electrical properties of the resulting nanoparticles. 14 For the morphological analysis of nanoparticles, various characterisation techniques are available such as SEM, FE-SEM, TEM and HR-TEM.…”

“…The main issue that arises from these challenges is that the processing of nanomaterials involves distinctive variables and synthesising environments, such as temperature, pH levels, and the addition of precipitants and solvents. Hence, it is crucial to conduct research in this area and study the impact of these variables 12,13 . The calcination or annealing temperature used during the synthesis of nanoparticles plays a crucial role in modifying the structural, morphological, optical, and electrical properties of the resulting nanoparticles 14 …”

Exploring the Potential of MXene Contacts on Wide‐Bandgap Dion–Jacobson Perovskite Solar Cell: A Numerical Study

“…Various materials like tin sulphide, copper zinc tin sulfide selenide, perovskite, copper indium gallium diselenide, iron disulfide, tin oxide, and silicon have been utilized to make the solar cell. [1][2][3][4][5] The meticulous absorber material selection is pivotal for accomplishing higher solar cell efficiency. [6][7][8][9] Third-generation perovskite material has recently garnered significant attention as a promising material for advancing solar cell technology.…”