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Composite transparent conductive thin film and preparing method thereof

A transparent conductive film and metal conductive technology, which is applied in the direction of metal/alloy conductors, carbon silicon compound conductors, cable/conductor manufacturing, etc., can solve the problem of incomplete continuous conduction, reducing the photoelectric conversion efficiency of devices, and limiting patterned transparent conductive films Application and other issues to achieve the effect of preventing oxidation and reducing surface resistance

Active Publication Date: 2013-09-25
XIAMEN ZHONGKE WISDOW MEDICAL TECH CO LTD
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Problems solved by technology

[0005] Due to the characteristics of the patterned transparent conductive film, it cannot conduct electricity continuously, which limits the application of the patterned transparent conductive film in some aspects. For example, when it is used as a transparent electrode in a photovoltaic device, the photoelectric conversion of the device is greatly reduced. efficiency

Method used

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  • Composite transparent conductive thin film and preparing method thereof
  • Composite transparent conductive thin film and preparing method thereof
  • Composite transparent conductive thin film and preparing method thereof

Examples

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Embodiment 1

[0040] Example 1: Composite transparent conductive film made of gravure printed metal conductive grid and carbon material

[0041] In this embodiment, the metal conductive grid printing plate is made by using the laser engraving plate making process, and the three-dimensional structure schematic diagram of the obtained metal conductive grid printing plate is as follows figure 2 As shown, its cross-sectional view is shown in image 3 Shown, where d is the groove width (= grid line width), h is the cell depth.

[0042] Figure 4 A schematic top view of the three-dimensional structure of the composite transparent conductive film prepared in this embodiment, Figure 5 The cross-sectional schematic diagram of the composite transparent conductive film prepared for this embodiment, wherein, 3 represents a flexible and transparent substrate PET, and on the substrate 3 is a metal conductive grid 4 printed in gravure mode, and on the top of the metal conductive grid 4 It is a full-s...

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Abstract

The invention relates to a composite transparent conductive thin film and a preparing method of the composite transparent conductive thin film. The composite transparent conductive thin film comprises a substrate, a metal layer and a conductive coating in sequence from bottom to top. The metal layer is an imaged metal conductive grid. The conductive coating is a carbon material coating. The sum of the area expect for the metal conductive grid occupies over 80% of the whole area of the thin film. The carbon material is carbon nano tubes or graphene. The conductive coating coats the whole surface area of the thin film, so that the condition that an empty portion is not conductive is avoided, the whole surface area is conductive continuously, surface resistance of the composite transparent conductive thin film is reduced, and the stability of the composite transparent conductive thin film is improved.

Description

technical field [0001] The invention relates to a transparent conductive film and a preparation method thereof, in particular to a composite transparent conductive film and a preparation method thereof. Background technique [0002] Transparent conductive film is a film with good electrical conductivity and high light transmittance in the visible light wavelength range. At present, transparent conductive films have been widely used in photovoltaic devices, touch panels, flat panel displays, electromagnetic shielding and other fields, and have a huge market space. [0003] ITO has been dominating the market for transparent conductive films due to its excellent light transmission and electrical conductivity. However, ITO transparent conductive films have exposed several disadvantages. First of all, the production cost of ITO film is relatively high, which is mainly because the cost of vacuum deposition equipment required for its preparation is high and the production process...

Claims

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Application Information

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IPC IPC(8): H01B5/14H01B1/02H01B1/04H01B13/00
Inventor 莫黎昕李路海冉军邓普君鲁建东
Owner XIAMEN ZHONGKE WISDOW MEDICAL TECH CO LTD
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