Vanadium oxide sensing layer grown on carbon nanotubes by a new atomic layer deposition process.
basic_science · Level V
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- Record sourced from PubMed, PMID 19367841.
- Also identified by DOI 10.1021/nl801785b.
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Abstract
A new atomic layer deposition (ALD) process was applied for the homogeneous coating of carbon nanotubes with vanadium oxide. It permits the coating of the inner and outer surface with a highly conformal film of controllable thickness and, hence, the production of high surface area hybrid materials at a so far unprecedented quality. The ALD-coated tubes are used as active component in gas-sensing devices. They show electric responses that are directly related to the peculiar structure, i.e., the p-n heterojunction formed between the support and the film.