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We prepared nanocomposites of n-SnO2/p-Co3O4 for application in chemical sensors. In order to fabricate p-Co3O4-decorated n-SnO2 nanowires, we sputtered a Co layer and subsequently annealed the material in air ambient. Characterization revealed that crystalline cubic Co3O4 with a tubular-like structure was attached to the surface of SnO2 core nanowires. We carried out sensing tests at 573K in at NO...
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