Viologen-based electrochromic compositions which can be formulated and applied at room temperature

Pozo-Gonzalo, Cristina, Pomposo, J, Grande, H, Salsamendi, M and Marcilla, R 2011, Viologen-based electrochromic compositions which can be formulated and applied at room temperature, US2011003070 (A1).

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Title Viologen-based electrochromic compositions which can be formulated and applied at room temperature
Creator(s) Pozo-Gonzalo, CristinaORCID iD for Pozo-Gonzalo, Cristina orcid.org/0000-0002-7890-6457
Pomposo, J
Grande, H
Salsamendi, M
Marcilla, R
Date 2011-01-06
Patent no. US2011003070 (A1)
Patent owner CIDETEC
Keyword(s) electrochromic
plastic device
viologen
Summary The invention relates to electrochromic compositions comprising: (a) a viologen derivative of formula (I) (b) an electron mediator; (c) a polymer compound of formula (II) (d) a plasticizer of formula (III): and (e) a mixture of at least two miscible solvents which dissolve components (a) to (d) at room temperature, at least one of them being a solvent with a high boiling point. Said electrochromic compositions can be formulated and applied at room temperature, therefore they allow preparing electrochromic devices with heat-sensitive substrates, particularly with fully plastic substrates, with a high degree of transparency and with a high optical contrast.
Language eng
HERDC Research category I.1 Patents
Copyright notice ©[2011, Pozo Gonzalo et al.]
Persistent URL http://hdl.handle.net/10536/DRO/DU:30108051

Document type: Patent
Collections: Institute for Frontier Materials
GTP Research
 
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