Electric functional membrane and preparation method thereof

A functional film and electrical technology, applied in the field of electrical functional film and its preparation, can solve the problems affecting assembly quality, complex assembly process, and high equipment requirements, achieve good mechanical and chemical stability, efficient reaction, and prevent self-aggregation effects.

CN104587847AActive Publication Date: 2015-05-06KUNMING UNIV OF SCI & TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Publication Date
2015-05-06

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Abstract

The invention discloses an electric functional membrane and a preparation method thereof, and belongs to the field of the preparation of a composite material. The functional membrane is formed by alternately self-assembling an amphipathy ruthenium complex molecular membrane, a symmetric ruthenium complex molecular membrane and a graphene film, wherein a substrate is ITO conducting glass. The amphipathy ruthenium complex is [Ru(Py2G1MeBip)(XPOH)](PF6)2, and the symmetric ruthenium complex is [Ru(Py2G1MeBip)2](PF6)2; the functional membrane is uniformly and adequately decorated on the conducting substrate, the mechanical and chemical stability is good, the advantages of the three materials are integrated by the functional membrane, and the electrochemical performance and the stability are obviously improved; the electric functional membrane can be operated by utilizing a simple vessel under the room temperature, no special condition and no complicated and expensive vessel are needed, and compared with other layer-by-layer assembling technologies, the electric functional membrane is simple to operate, short in assembling time, not subjected to the influence of the material and shape of the substrate, high in combination strength with the substrate, high in waterproof stability and good in popularization and application values.
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Description

technical field

[0001] The invention relates to an electrical functional film and a preparation method thereof, belonging to the field of composite material preparation. Background technique

[0002] Due to the miniaturization of electronic devices, functional thin film materials are widely used in technical fields such as microelectronic devices and wear-resistant layers due to their unique optical, electrical, magnetic and chemical properties. The diversity of thin film materials determines the variety of preparation methods. Among these preparation and protective coating technologies, the layer-by-layer self-assembly (LBL) technology has shown unique advantages in the field of functional thin film materials. Many functional thin film materials have passed obtained by this technique.

[0003] Ruthenium outermost layer has 4d 7 5s 1 The common valence states of its ions are Ru(I), Ru(II) and Ru(III), and it is easy to form six-coordinated complexes. Ruthenium complexes ...

Examples

Embodiment 1

[0042] Example 1: This electrical functional film is the interaction between the hydroxyl group in the amphiphilic ruthenium complex molecule and the ITO surface through a covalent bond, the amphiphilic ruthenium complex molecule is fixed on the ITO surface, and the pyrene group interacts with graphene. Graphene is assembled on the amphiphilic ruthenium complex molecular film, and then the graphene reacts with a pair of pyrene groups in the symmetrical ruthenium complex molecule, and the symmetrical ruthenium complex molecular film is assembled on the graphene film, and alternately impregnated In the graphene dispersion and the symmetrical ruthenium complex solution, a film with adjustable layers and thickness is obtained, wherein the chemical formula of the amphiphilic ruthenium complex is as follows:

[0043] ;

[0044] The chemical formula of the symmetrical ruthenium complex is as follows:

[0045] .

[0046] The preparation method of the electrical functional film,...

Embodiment 2

[0072] Example 2: This electrical functional film is the interaction between the hydroxyl group in the amphiphilic ruthenium complex molecule and the ITO surface through a covalent bond, the amphiphilic ruthenium complex molecule is fixed on the ITO surface, and the pyrene group interacts with graphene. Graphene is assembled on the amphiphilic ruthenium complex molecular film, and then the graphene reacts with a pair of pyrene groups in the symmetrical ruthenium complex molecule, and the symmetrical ruthenium complex molecular film is assembled on the graphene film, and alternately impregnated In the graphene dispersion and the symmetrical ruthenium complex solution, a functional film with adjustable layers and thickness is obtained, wherein the chemical formula of the amphiphilic ruthenium complex is as follows:

[0073] ;

[0074] The chemical formula of the symmetrical ruthenium complex is as follows:

[0075] .

[0076] The preparation method of the electrical functi...

Embodiment 3

[0087] Example 3: This electrical functional film is the interaction between the hydroxyl group in the amphiphilic ruthenium complex molecule and the ITO surface through a covalent bond, the amphiphilic ruthenium complex molecule is fixed on the ITO surface, and the pyrene group interacts with graphene. Graphene is assembled on the amphiphilic ruthenium complex molecular film, and then the graphene reacts with a pair of pyrene groups in the symmetrical ruthenium complex molecule, and the symmetrical ruthenium complex molecular film is assembled on the graphene film, and alternately impregnated In the graphene dispersion and the symmetrical ruthenium complex solution, a composite film with adjustable layers and thickness is obtained, wherein the chemical formula of the amphiphilic ruthenium complex is as follows:

[0088] ;

[0089] The chemical formula of the symmetrical ruthenium complex is as follows:

[0090] .

[0091] The preparation method of the electrical funct...