Single-Crystalline In2O3 Nanotubes Filled with In

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Abstract

Single-crystalline In2O3 nanotubes with cubic structure were synthesized via a physical vapor depostion process. The nanotubes grew along the 〈111〉 direction and were continuously filled with metallic In (see Figure). Photoluminescence measurement results displayed strong orange emission. Indium-filled In2O3 nanotubes represent an exciting system and offer great potential for application in electronic devices or “nanothermometers”.

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