Size- and Interface-Modulated Metal–Insulator Transition in Solution-Synthesized Nanoscale VO2-TiO2-VO2 Heterostructures

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Abstract

The M1 form of vanadium dioxide, which exhibits a reversible insulator–metal transition above room temperature, has been incorporated into nanoscale heterostructures through solution-phase epitaxial growth on the tips of rutile TiO2 nanorods. Four distinct classes of VO2-TiO2-VO2 nanorod heterostructures are accessible by modulating the growth conditions. Each type of VO2-TiO2-VO2 nanostructure has a different insulator–metal transition temperature that depends on the VO2 domain sizes and the TiO2-VO2 interfacial strain characteristics.

Original languageEnglish (US)
Pages (from-to)15550-15554
Number of pages5
JournalAngewandte Chemie - International Edition
Volume56
Issue number49
DOIs
StatePublished - Dec 4 2017

All Science Journal Classification (ASJC) codes

  • Catalysis
  • Chemistry(all)

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