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Dispositivo de partículas suspendidas con transmisión variable para ventanas inteligentes

Resumen

Tipo:
Oferta Tecnológica
Referencia:
TOLV20160919001
Publicado:
13/10/2016
Caducidad:
13/10/2017
Resumen:
Un instituto letón ofrece una ventana inteligente de transmisión variable en campo eléctrico aplicado. Sus principales ventajas incluyen la simplicidad, estabilidad contra la corrosión y UV y precio reducido. El prototipo ofrece las siguientes características: restauración espontánea de transmisión, rendimiento electro-óptico persistente y estabilidad temporal contra la sedimentación y aglomeración de nanocables. El instituto busca empresas interesadas en comprar el conocimiento o socios para participar en proyectos de I+D y completar el desarrollo. El objetivo es establecer acuerdos de financiación, licencia o cooperación en materia de investigación.

Details

Tittle:
Suspended particle device with switchable transmittance for smart window applications
Summary:
An institute from Latvia is offering smart window device for transmittance variation in applied electric field. The main advantage of proposed system is simplicity, stability against corrosion and UV (UltraViolet), as well as reduced price. The scientific institution here is looking for companies interested to buy developed knowledge or R-Y-D projects partners for completion of development or offers. Institute is offering financial, license or research cooperation agreements.
Description:
In the scientific institute from Latvia, an alternative design parameters concept that is based on a change in the scattering properties of wide band gap ZnO (Zinc Oxide) nanowire colloids with an order of magnitude lower particle concentrations is being explored. The dispersed nanophase (ZnO nanowires) and the matrix components were chosen in such a way that the dispersed nanowires would have a higher refractive index than the matrix. Changes in the light scattering properties during negentropic orientational transition from chaotic to partially ordered (aligned) phases is achieved through the electrophoretic manipulation of dispersed nanowires. Electric field 1V/-Y-micro;m has to be used for nanowire alignment. The prepared nanowire colloids are sandwiched between indium tin oxide coated glass plates using 150 -Y-micro;m thick fluoropolymer spacers. Applying electric field results in 40% decrease in transmittance of colloid film in the middle of the visible spectral range.
Institute is offering financial, license or research agreement to other interested parties in order to integrate the secret know-how in building systems or partnership for improvement of the device. Institute is offering financial agreement with set out terms on how the parties would like to divide their financial resources if cooperation on device improvement would be considered, license agreement if interested party would want the right to produce and sell goods, apply a brand name or trademark, or use patented technology, or research agreement if both parties decide to work together on common project, exchanging experience and information in order to improve the device.
Advantages and Innovations:
The main advantages of proposed system are reduced price compared to average price for such devices in market and enhanced UV or cycling stability, as well as simplicity (ZnO nanowire colloids in widely accessible polymer matrix are used).
A prepared prototype smart window device exhibited 40% switch in transmittance, spontaneous restoration of transmittance, persistent electro-optical performance, and temporal stability against nanowire sedimentation and agglomeration.
Stage of Development:
Prototype available for demonstration
IPs:
Secret Know-how

Partner sought

Type and Role of Partner Sought:
The institute is looking for SME´s, R-Y-D institutions and other organiations that would be interested in further development of technology or involving it in ready made systems. Institute is offering financial, license or research agreement.

Client

Type and Size of Client:
R&D Institution
Already Engaged in Trans-National Cooperation:
No
Languages Spoken:
English
Latvian
Russian

Keywords

Technology Keywords:
02007005 Composite materials
02002009 Machine Tools
02007012 Materiales ópticos
02007024 Nanomaterials
02003001 Process automation