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Transparent conductive film with novel structure and preparation method thereof

A transparent conductive film and technology of transparent conductive film are applied in the field of solar cells to achieve the effects of easy implementation, improved optical and electrical properties, and easy control

Inactive Publication Date: 2009-11-18
ENN SOLAR ENERGY
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Problems solved by technology

However, the preparation of this new type of transparent conductive film doped with one-dimensional conductive nanomaterials on a substrate by ultrasonic spray pyrolysis has not yet been seen.

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  • Transparent conductive film with novel structure and preparation method thereof

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Embodiment 1

[0021] Reference attached figure 1 , The transparent conductive film of the new structure is composed of three parts: substrate-1, buffer layer-2, and transparent conductive film-3, with the substrate-1 as the bottom layer and the intermediate layer as the buffer layer-2. The substrate is float ultra-clear glass, and the buffer layer is SiO 2 , with a thickness of 50 nanometers, the transparent conductive film mainly includes a transparent conductive oxide material 4 and a one-dimensional conductive nanomaterial 5 with high conductivity, wherein the transparent conductive oxide 4 is selected from SnO 2 :F, the transmittance of the TCO material is about 82%, and the resistivity is 5×10 -4 Ωcm; In order to increase the conductivity of the transparent conductive film and finally improve the photoelectric conversion efficiency of the thin film solar cell, a one-dimensional conductive material 5 is mixed into the original relatively mature transparent conductive oxide 4, and the h...

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Abstract

The invention discloses a transparent conductive film with novel structure and a preparation method thereof. The novel structure comprises a substrate 1, a buffer layer 1 and the transparent conductive film 3. The transparent conductive film 3 comprises a transparent conductive oxide material 4 and one or more high-conductivity one-dimensional conductive materials 5; wherein the one-dimensional conductive material is randomly distributed in the transparent conductive oxide. By combining the characteristics of the transparent conductive oxide and the one-dimensional conductive material, the electrical and optical properties of the transparent conductive film are improved. The invention also discloses a method for preparing the transparent conductive film of the novel structure.

Description

technical field [0001] The invention relates to the field of solar cells, in particular to a transparent conductive film with a new structure and a preparation method thereof. Background technique [0002] With the development of photovoltaic power generation technology, especially the large-scale industrialization of thin-film solar cells in recent years, transparent conductive oxide films (TCO), as an indispensable part of thin-film solar cells, have great technical challenges. Transparent conductive oxide (TCO) substrates used as transparent electrodes of thin-film solar cells play a very important role in improving the conversion efficiency of the cells. [0003] Thin-film solar cells require transparent electrodes with extremely low light loss, high transmittance and high conductivity. In recent years, the materials of transparent conductive films tend to be metal oxide semiconductors, such as SnO 2 、In 2 o 3 For thin films such as ZnO and ZnO, the energy gap width ...

Claims

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Application Information

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IPC IPC(8): H01B5/14H01G9/04H01G9/20H01L31/0224H01L31/18
CPCY02P70/50
Inventor 雷志芳孙劲鹏唐茜
Owner ENN SOLAR ENERGY
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