Journal
DALTON TRANSACTIONS
Volume 50, Issue 45, Pages 16720-16725Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d1dt03034e
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- RFBR [20-03-00267]
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In a study of high-temperature electrochemical selective dissolution of PdIn intermetallics in molten mixtures of alkali chlorides, nanoporous structures consisting of Pd2In and Pd3In intermetallics have been obtained to form a coherent structure. The temperature and current density play crucial roles in controlling the pore size and structural morphology. The morphology of pores and ligaments exhibit a 3D hierarchy with varying sizes but consistent composition at different temperatures.
A study of the high-temperature electrochemical selective dissolution of PdIn intermetallics in molten mixtures of alkali chlorides with the formation of nanoporous structures has been carried out to obtain a coherent structure consisting of Pd2In and Pd3In intermetallics. The smallest pore size (approximately 100 nanometers) with a bi-continuous structure of Pd2In-Pd3In is obtained from the PdIn intermetallic phase at a temperature of 450 degrees C and a current density of 50 mA cm(-2) in a molten LiCl-KCl eutectic. It has been shown that the temperature of the anodic dissolution process is the most important factor in controlling the pore size and structural morphology. The morphology of pores and ligaments in the sample at 600 degrees C is a 3D hierarchy with pore sizes from several hundred nanometers to a micron-scale but with the same Pd2In-Pd3In (2 : 1) composition.
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