Journal ArticleDOI
Physical properties of the delafossite LaCuO2
TLDR
In this paper, a photoelectrochemical study of LaCuO2 has been conducted to confirm the p-type conduction of the oxide, which is a direct band-gap semiconductor with a forbidden band of 2.77 eV.About:
This article is published in Journal of Physics and Chemistry of Solids.The article was published on 2009-07-01. It has received 26 citations till now. The article focuses on the topics: Delafossite & Band diagram.read more
Citations
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Delafossite Nanoparticle as New Functional Materials: Advances in Energy, Nanomedicine and Environmental Applications
TL;DR: In this paper, the authors summarized the recent overall views of delafossite nanoparticles in diverse applications such as energy, catalysis, photocatalysis, nanomedicine, sensors, electrochemical devices and environmental concerns.
Journal ArticleDOI
Thermoelectric properties of Cu1−xPtxFeO2 (0.0 ≤ x ≤ 0.05) delafossite-type transition oxide
Chesta Ruttanapun,Aree Wichainchai,Wutthisak Prachamon,Anucha Yangthaisong,Anek Charoenphakdee,Tosawat Seetawan +5 more
TL;DR: The results of Seebeck coefficient, electrical conductivity, and power factor were increased with increasing Pt substitution and temperature as mentioned in this paper, and the thermal conductivity was decreased from 5.8 to 3.5 W/mK with increasing the temperature from 300 to 960 K.
Journal ArticleDOI
Optical and electronic properties of delafossite CuBO2p-type transparent conducting oxide
TL;DR: In this article, the optical properties of this p-type transparent conducting oxide were investigated and its crystal structure, morphology, composition, oxygen decomposition, and optical and electronic properties were characterized by X-ray diffraction, scanning electron microscopy, Xray photoelectron spectroscopy, thermal gravimetric analysis (TGA), ultraviolet-visible-near-infrared (UV-VIS-NIR) and fluorescence spectroscopies, Seebeck coefficient, and electrical conductivity measurements.
Journal ArticleDOI
Photoelectrochemical characterization of the synthetic crednerite CuMnO2
TL;DR: In this paper, a crednerite oxide was prepared by solid state reaction at 950°C under argon flow, and the oxide crystallizes in a monoclinically distorted delafossite structure associated to the static Jahn-Teller (J-T) effect of Mn3+ ion.
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Sol–gel synthesis and characterization of the delafossite CuAlO2
TL;DR: In this paper, a nocrystalline CuAlO2 is synthesized by sol-gel method using ethylene glycol as solvent, and X-ray diffraction pattern of the powder heat-treated at 1100 °C shows a single phase indexed in a rhombohedral symmetry.
References
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Journal ArticleDOI
Revised effective ionic radii and systematic studies of interatomic distances in halides and chalcogenides
TL;DR: The effective ionic radii of Shannon & Prewitt [Acta Cryst. (1969), B25, 925-945] are revised to include more unusual oxidation states and coordinations as mentioned in this paper.
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A new superconductor obtained by electrochemical oxidation of La2CuO4
Jean-Claude Grenier,Alain Wattiaux,N. Lagueyte,J.C. Park,E. Marquestaut,Jean Etourneau,Michel Pouchard +6 more
TL;DR: In this paper, the electrochemical oxidation of La 2 CuO 4 in alkaline solution (1N KOH) has been used for preparing the superconducting phase La 2CuO 4+δ (δ⋍ 0.07).
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Variable Mott-Schottky plots acquisition by potentiodynamic electrochemical impedance spectroscopy
A. S. Bondarenko,Genady Ragoisha +1 more
TL;DR: In this article, the potential-dependent space charge layer capacitance from potentiodynamic impedance spectra of non-stationary semiconductor-electrolyte interfaces was extracted for acquisition of Mott-Schottky plots of cathodically treated anodic films.
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p-Type CuYO2 as hydrogen photocathode
TL;DR: In this article, a new photochemical system based on a CuYO2 dispersion in aqueous S2− or SO32− solution as hole scavengers is proposed.
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Synthesis and characterization of oxygen-rich delafossite CuYO2+x—Application to H2-photo production
TL;DR: In this paper, the synthesis and photo electrochemical properties of super oxides CuYO2.50 and CuYOL2.25 were investigated for H2 evolution upon visible light.