Vanadium(IV) Oxide
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High Quality Content by WIKIPEDIA articles! Tungsten-doped vanadium dioxide (W:VO2) with 1.9% tungsten content has been investigated for use as a "spectrally-selective" window coating to block infrared transmission and reduce the loss of building interior heat through windows. This material behaves like a semiconductor at temperatures below 29 °C, allowing more transmission, and like a conductor at higher temperatures, providing much greater reflectivity.Varying the amount of tungsten allows regulating the phase transition temperature. However, the coating has a slight yellow-green color.Nanostars of Vanadium(IV) oxide Vanadium dioxide can act as an extremely fast optical shutter. The thermochromic phase transition between the transparent semiconductive and reflective conductive phase, occurring at 68 °C, can happen in times as short as a one tenth of a trillionth of a second.Vanadium dioxide, especially in its nanocrystalline form, may find use in glazing applications, extremely fast optical shutters, optical modulators, infrared modulators for missile guidance systems, cameras, data storage, and other applications.
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GarantieWeitere Informationen
- Allgemeine Informationen
- GTIN 09786131055607
- Editor Lambert M. Surhone, Miriam T. Timpledon, Susan F. Marseken
- Genre Chemie
- EAN 9786131055607
- Format Fachbuch
- Titel Vanadium(IV) Oxide
- Herausgeber Betascript Publishing
- Anzahl Seiten 68
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