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Publikācija: Switchable Optical Transmittance of TiO2 Submicron-Diameter Wire Suspension-Based “Smart Window” Device

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Publikācijas valoda English (en)
Nosaukums oriģinālvalodā Switchable Optical Transmittance of TiO2 Submicron-Diameter Wire Suspension-Based “Smart Window” Device
Pētniecības nozare 2. Inženierzinātnes un tehnoloģijas
Pētniecības apakšnozare 2.5. Materiālzinātne
Autori Silver Leinberg
Vambola Kisand
Andris Šutka
Kristjan Saal
Rünno Lõhmus
Urmas Joost
Martin Timusk
Ergo Nõmmiste
Atslēgas vārdi
Anotācija In this paper, for the first time, a TiO2 submicron-diameter wire suspension-based smart window device is demonstrated in which combined planar and finger electrodes are utilised to reversibly change the orientation of the nanowires. Electrospun TiO2 anatase submicron-diameter wire suspensions in a viscous polydimethylsiloxane (PDMS) matrix were prepared directly from electrospun submicron-diameter fibre mats by using high-shear mixing, achieving the complete break-up of all electrospun mats and suspending TiO2 submicron-diameter wires uniformly in the PDMS matrix. Suspension was used as an active layer in an electro-optical device where a reversible change in light scattering is achieved by preparing a device consisting of an active layer and combined planar and finger electrode system. Using the constructed device, it was possible to change the alignment or spatial distribution of TiO2 submicron-diameter wires by applying a DC electric field across the planar or finger, electrodes thus changing the transmittance (DT = 25%) of the suspension and demonstrating the potential to use combined planar and finger electrode devices in smart window applications.
DOI: 10.1016/j.optmat.2015.04.057
Hipersaite: http://www.sciencedirect.com/science/article/pii/S0925346715002864 
Atsauce Leinberg, S., Kisand, V., Šutka, A., Saal, K., Lõhmus, R., Joost, U., Timusk, M., Nõmmiste, E. Switchable Optical Transmittance of TiO2 Submicron-Diameter Wire Suspension-Based “Smart Window” Device. Optical Materials, 2015, Vol.46, 418.-422.lpp. ISSN 0925-3467. Pieejams: doi:10.1016/j.optmat.2015.04.057
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