Bistable electrochemical mirror
First Claim
1. An electrochemical mirror comprising:
- a first transparent electrode;
a second transparent electrode disposed to be spaced apart from the first transparent electrode;
an electrolyte layer positioned between the first transparent electrode and the second transparent electrode and containing metal ions which are capable of being electrodeposited; and
a surface-treated layer formed on a surface of the first transparent electrode or the second transparent electrode,wherein the surface-treated layer is formed by treating the surface of the first transparent electrode or the second transparent electrode by oxygen plasma to form a hydroxy group on the surface of the electrode and then reacting the hydroxy group with silane,wherein the silane is represented by the following Chemical Formula 1;
R—
(CH2)n—
Si—
X3
[Chemical Formula 1]in the aforementioned Chemical Formula,R is a mercapto group, a halogen group, an alkyl group having 1 to 20 carbon atoms, a mercaptoalkyl group having 1 to 20 carbon atoms, a haloalkyl group having 1 to 20 carbon atoms, an aryl group having 1 to 20 carbon atoms, an arylalkyl group having 1 to 20 carbon atoms, an alkylaryl group having 1 to 20 carbon atoms, or an alkoxy group having 1 to 20 carbon atoms,n is 0 to 20, andX is a mercapto group, a halogen group, an alkyl group having 1 to 20 carbon atoms, a mercaptoalkyl group having 1 to 20 carbon atoms, a haloalkyl group having 1 to 20 carbon atoms, an aryl group having 1 to 20 carbon atoms, 1 group having 1 to 20 carbon atoms, an alkylaryl group having 1 to 20 carbon atoms, or an alkoxy group having 1 to 20 carbon atoms.
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Abstract
The present invention relates to a switchable infrared ray-visible ray reflection electrochemical mirror having high electrochemical stability and bistability, in which a stripping phenomenon of a metal thin film can be prevented and bistability can be improved through a process of increasing electrochemical stability of a reflective film from an electrode composition and an ionic liquid electrolyte composition having various compositions. In the proposed electrochemical mirror apparatus, since the metal thin film formed by electric reduction is not stripped from a transparent electrode through a surface treatment process, a more stable apparatus can be provided, and even though a voltage is not applied to the metal thin film, the thin film is prevented from being oxidized by using an optimized ionic liquid electrolyte, thus providing the effective electrochemical mirror apparatus where the metal thin film is continuously maintained.
9 Citations
15 Claims
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1. An electrochemical mirror comprising:
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a first transparent electrode; a second transparent electrode disposed to be spaced apart from the first transparent electrode; an electrolyte layer positioned between the first transparent electrode and the second transparent electrode and containing metal ions which are capable of being electrodeposited; and a surface-treated layer formed on a surface of the first transparent electrode or the second transparent electrode, wherein the surface-treated layer is formed by treating the surface of the first transparent electrode or the second transparent electrode by oxygen plasma to form a hydroxy group on the surface of the electrode and then reacting the hydroxy group with silane, wherein the silane is represented by the following Chemical Formula 1;
R—
(CH2)n—
Si—
X3
[Chemical Formula 1]in the aforementioned Chemical Formula, R is a mercapto group, a halogen group, an alkyl group having 1 to 20 carbon atoms, a mercaptoalkyl group having 1 to 20 carbon atoms, a haloalkyl group having 1 to 20 carbon atoms, an aryl group having 1 to 20 carbon atoms, an arylalkyl group having 1 to 20 carbon atoms, an alkylaryl group having 1 to 20 carbon atoms, or an alkoxy group having 1 to 20 carbon atoms, n is 0 to 20, and X is a mercapto group, a halogen group, an alkyl group having 1 to 20 carbon atoms, a mercaptoalkyl group having 1 to 20 carbon atoms, a haloalkyl group having 1 to 20 carbon atoms, an aryl group having 1 to 20 carbon atoms, 1 group having 1 to 20 carbon atoms, an alkylaryl group having 1 to 20 carbon atoms, or an alkoxy group having 1 to 20 carbon atoms. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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Specification