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SnO 2 and In 2 O 3 nanocrystals were prepared by injecting the corresponding metal oxide sols in solutions of amines in organic solvents at 160°C, followed by heating at the resulting temperature (80–110°C) for 3h. The obtained nanoparticles were extracted by centrifugation, washed and heat-treated at 500°C for final purification and eventual completion of the crystallization...
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