Synthesis of InP nanotubes |
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Authors: | Bakkers Erik P A M Verheijen Marcel A |
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Institution: | Philips Research Laboratories, Professor Holstlaan 4, 5656 AA Eindhoven, The Netherlands. erik.bakkers@philips.com |
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Abstract: | Indium phosphide (InP) nanotubes have been synthesized via the vapor-liquid-solid (VLS) growth mechanism. The nanotubes are crystalline and have the (bulk) zinc blende structure and therefore represent a new class of tube materials. The tubes show photoluminescence, which is considerably blue-shifted with respect to bulk emission, indicating that the optical properties are not dominated by defect states. They are formed at higher temperatures than those at which nanowires are fabricated. A simple model for the formation of the nanotubes is presented. The wall thickness can be controlled by the synthesis temperature and is in the range of 2-20 nm. |
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