Journal
CHEMISTRY OF MATERIALS
Volume 28, Issue 11, Pages 3914-3919Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.chemmater.6b01180
Keywords
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Funding
- Ministry of Science and Technology [MOST 103-2119-M-009-003-MY3, MOST 104-2628-E-009-005-MY2]
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Vanadium dioxide (VO2) is a compelling candidate for next-generation electronics beyond conventional silicon-based devices due to the exhibition of a sharp metal insulator transition. In this study, in order to realize functional VO2 film for flexible electronics, the growth of VO2 film directly on a transparent and flexible muscovite via van der Waals epitaxy is established. The heteroepitaxy and structural transition of VO2 films on muscovite are examined by a combination of high resolution X-ray diffraction, transmission electron microscopy, and Raman spectroscopy. The unique metal insulator transition of VO2 is further revealed with a change in electrical resistance over 10(3) and a more than 50% variation of optical transmittance. Furthermore, due to the nature of muscovite, the VO2/muscovite heterostructure possesses superior flexibility and optical transparence. The approach developed in this study paves an intriguing way to fabricate functional VO2 film for the applications in flexible electronics.
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