Flexible substrate-GO-metal nanowire composite transparent conductive thin film and preparation method thereof

Abstract

The invention provides a preparation method of a flexible substrate-GO-metal nanowire composite transparent conductive thin film. The preparation method comprises the steps of quartz glass substrate surface processing, metal nanowire solution preparation, vacuum filtering metal nanowire film, lamination, filtering film removal, GO processing, flexible substrate material solution preparation, flexible substrate film formation and quartz glass substrate stripping. The invention also provides the flexible substrate-GO-metal nanowire composite transparent conductive thin film prepared by the method. The composite transparent conductive thin film prepared by the method has the advantages of low surface peak valley roughness and surface average roughness, good conductivity, high optical transmittance, good mechanical flexibility and good thermal stability, the metal nanowire is firmly attached onto the flexible substrate, the application demand of a device can be achieved, particularly, therequirement of a flexible thin film electronic device on electrode surface roughness can be met, and the reliability and the stability of the metal nanowire electrode in application of the thin film electronic device are improved.

Description

technical field [0001] The invention relates to the technical field of flexible transparent conductive films, in particular to a flexible substrate-GO-metal nanowire composite transparent conductive film and a preparation method thereof. Background technique [0002] With the development of microelectronics and optoelectronic devices towards flexibility and paper-like, the demand for flexible transparent electrodes has become increasingly urgent. Flexible electronic technology is an electronic technology that prepares organic / inorganic material electronic devices on flexible plastic or thin metal substrates. Flexible electronic or optoelectronic devices have the advantages of light weight and bendability, and have broad application prospects in the fields of information, energy, and national defense. , typical applications include flexible electronic displays, organic light-emitting diodes, printed radio frequency identification, thin-film solar panels, electronic skin senso...

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Problems solved by technology

[0006] Aiming at the technical problems that the existing methods cannot improve the peak-to-valley roughness of the metal nanowire electrode surface very well, which may easily cause the optical transmittance of the metal nanowire electrode to decrease, and the electrical conductivity of the electrode decreases due to the surface treatment of the electrode, the present invention provides a Flexible substrate-GO-metal nanowire composite transparent conductive film preparation method, the preparation method can simultaneously reduce the surface peak-valley roughness and average roughness of the metal nanowire electrode, and maintain the high conductivity and high light transmittance of the metal nanowire electrode

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