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CuPc/ZnO organic/inorganic compound solar battery and preparation method thereof

A solar cell and inorganic composite technology, which is applied in semiconductor/solid-state device manufacturing, circuits, photovoltaic power generation, etc., can solve the problems of organic/inorganic composite photoelectric conversion efficiency constraints, so as to improve photoelectric conversion efficiency, increase photoelectric conversion efficiency, increase The effect of specific surface area

Inactive Publication Date: 2011-03-30
JIANGSU UNIV
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Problems solved by technology

However, in the reported reports, whether it is a ZnO / CuPc bulk heterojunction or a double-layer film structure, there will be obvious problems in the effective separation and conduction of photogenerated carriers, and the improvement of organic / inorganic composite photoelectric conversion efficiency is restricted.

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  • CuPc/ZnO organic/inorganic compound solar battery and preparation method thereof
  • CuPc/ZnO organic/inorganic compound solar battery and preparation method thereof
  • CuPc/ZnO organic/inorganic compound solar battery and preparation method thereof

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Embodiment Construction

[0021] The following is a description of the specific implementation of the preparation of the ZnO nanowire array thin film in the present invention and the design and preparation of n- / CuPc / (CuPc / ZnO multilayer film) organic / inorganic composite solar cells using it as an n-pole window.

[0022] 1. figure 1 It is a schematic diagram of the cross-section of the device, and the device structure is described from bottom to top as follows: the bottom layer is a glass substrate with an ITO film, where the ITO layer is a transparent electrode; the next is a ZnO nanowire array that is strictly vertical to the substrate; then there is a CuPc layer, The lower array surface is filled and leveled; followed by the CuPc / ZnO repeating periodic structure, the number of periods is 4-8; the top is the Au electrode for ohmic contact.

[0023] 2. figure 2 It is a schematic diagram of the energy band structure of the ZnO / CuPc composite film and the electron-hole transfer process at the interfa...

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Abstract

The invention belongs to the field of research on photoelectron devices, in particular to a CuPc / ZnO organic / inorganic compound solar battery. The solar battery consists of an ITO substrate, a ZnO nanometer line array, a CuPc film, a CuPc / ZnO multilayer film and a gold electrode. The ITO substrate, the ZnO nanometer line array, the CuPc film, the CuPc / ZnO multilayer film and the gold electrode are sequentially arranged from a bottom layer to a top layer, wherein the ZnO nanometer line array can be repeated, has uniform density and size and is directionally grown vertical to the substrate. Since the respective advantages of CuPc in optical absorption and ZnO in electronic conduction are combined and the multi-interface property is also utilized, the opto-electrical conversion efficiency is improved.

Description

technical field [0001] The invention belongs to the research field of optoelectronic devices, in particular to a CuPc / ZnO organic / inorganic composite solar cell. Background technique [0002] At the present stage, organic / inorganic composite solar cells not only utilize the strong photoelectric conductivity of inorganic semiconductors, but also utilize the solar absorption characteristics of organic semiconductor thin films, which can fully combine the respective advantages of organic and inorganic materials to achieve higher efficiency photoelectricity. Energy conversion has attracted much attention. In addition, the organic / inorganic heterojunction broadens the spectral response range of the original single material, absorbs light of different wavelengths, and provides a reliable idea for the development of batteries with broadband response. The key problem in the organic / inorganic composite material system is to design a reasonable energy band matching system to realize ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L51/42H01L51/46H01L51/48
CPCY02E10/549Y02P70/50
Inventor 吴春霞周明高传玉蔡兰
Owner JIANGSU UNIV
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