Citrate combustion synthesized Al-doped CaCuTiO quadruple perovskite: synthesis, characterization and multifunctional properties.

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2020
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Abstract
The facile synthesis of the Al-doped CaCu3Ti4O12 quadruple perovskite, a well-known and vastly studied material for various technological applications, using the modified citrate combustion route along with structural, microstructural, and X-ray photoelectron spectroscopic (XPS) characterization and magnetic, dielectric and electrical properties has been investigated and reported here. The possible applications of the material as a Schottky barrier diode (SBD) in optoelectronic devices and as a catalyst in methanol steam reforming (MSR) reaction for hydrogen generation, hitherto unreported in the open literature, have also been explored. The compound is crystallized in the cubic body centered Im3[combining macron] space group and the particle size is found to be in nanodimension with rather narrow size distribution. The enhanced resistivity could be attributed to the grain boundary effect, and consequently, it exhibits better performance as a SBD compared to the undoped sample. Desired cationic composition with expected valence states within the probe range is confirmed by XPS analysis. A better catalytic activity towards MSR is noticed for the Al-doped CaCu3Ti4O12 compared to the undoped composition. These new findings, namely MSR activity and applicability in the Schottky device, have highlighted further the multifunctional nature of the material in energy related issues and would thus be of interest to the materials community searching for functional materials.
Reference Key
pal2020citratephysical Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Pal, Kamalesh;Dey, Arka;Jana, Rajkumar;Ray, Partha P;Bera, Parthasarathi;Kumar, Lalit;Mandal, Tapas Kumar;Mohanty, Paritosh;Seikh, Md Motin;Gayen, Arup;
Journal Physical chemistry chemical physics : PCCP
Year 2020
DOI
10.1039/c9cp05005a
URL
Keywords
sequence analysis algorithm sequence alignment locality sensitive hashing pacbio dataset single molecule real-time (smrt) sequencing

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