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Working electrode of three-dimensional dye-sensitized solar cell, and preparation method of working electrode

A technology for solar cells and dye sensitization, which is applied in the field of three-dimensional dye-sensitized solar cell working electrodes and the preparation thereof, can solve the problems of easy recombination of electron holes, low dye adsorption rate, small effective area, etc. High repeatability and the effect of increasing the adsorption area

Inactive Publication Date: 2016-11-16
XI AN JIAOTONG UNIV
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Problems solved by technology

[0004] However, the existing working electrodes of dye-sensitized solar cells have shortcomings such as single structure, small effective area, low dye adsorption rate, and easy electron-hole recombination.

Method used

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  • Working electrode of three-dimensional dye-sensitized solar cell, and preparation method of working electrode
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Embodiment Construction

[0037] Below in conjunction with accompanying drawing, the present invention is described in further detail:

[0038] see figure 1, 2, the fiber cores 2 are closely arranged and fixed on the glass substrate, and a layer of 80nm thick indium tin oxide conductive layer 4 is sputtered on it to form a three-dimensional semi-cylindrical micron-scale substrate; based on the water bath method, the three-dimensional semi-cylindrical ZnO nanowires 5 were synthesized on a micron-scale substrate to obtain a three-dimensional semi-cylindrical cross-scale structure array; the ruthenium complex dye 6 was physically adsorbed and immobilized on the surface of the above-mentioned three-dimensional cross-scale structure array, and a three-dimensional cross-scale structure array based on Working electrodes of dye-sensitized solar cells. The length of the glass substrate is 3cm, the width is 3cm, and the thickness is 1.1cm; the length of the optical fiber core 2 is 3cm, and the diameter is Φ125μ...

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Abstract

The invention discloses a working electrode of a three-dimensional dye-sensitized solar cell, and a preparation method of the working electrode. The preparation method comprises the steps of closely arranging optical fiber cores, then fixing the closely-arranged optical fiber cores on a glass substrate, and sputtering an indium tin oxide conductive layer on the glass substrate to further form a three-dimensional semi-cylindrical micron-grade substrate; synthesizing ZnO nanowires on the micron-grade substrate to obtain a three-dimensional semi-cylindrical trans-scale structure array; and performing physical adsorption on a ruthenium complex dye and fixing the dye on the surface of the semi-cylindrical trans-scale structure array to obtain the working electrode of the three-dimensional dye-sensitized solar cell. According to the abovementioned structure, the effective adsorption area of the dye can be enlarged; the electron transport performance of the working electrode can be improved; the electron recombination rate is lowered; the photoelectric conversion efficiency is improved finally; according to the working electrode, the raw materials are easy to get; a photoetching process is not required; requirements on equipment are low; and therefore, a simple preparation method, a short preparation period, low cost and high repeatability are achieved.

Description

technical field [0001] The invention belongs to the technical field of dye-sensitized solar cells, and in particular relates to a three-dimensional dye-sensitized solar cell working electrode and a preparation method thereof. Background technique [0002] Non-renewable energy is becoming increasingly scarce, and the environmental pollution caused by it is becoming more and more serious. Therefore, how to effectively utilize safe, clean, and pollution-free solar energy resources has become a research focus in the field of new energy. Solar cells can convert solar energy into electrical energy. Among them, dye-sensitized solar cells are favored by many researchers because of their high photoelectric conversion efficiency, simple preparation process, low cost, and low dependence on light intensity. A typical dye-sensitized solar cell (DSSC, Dye-sensitized solar cell) device is usually a sandwich structure, that is, metal oxide semiconductors such as ZnO, TiO 2 Loaded on conduc...

Claims

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Application Information

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IPC IPC(8): H01G9/20H01M14/00H01L51/44H01L51/48H01L51/54
CPCH01M14/00H01G9/204H01G9/2059H10K71/60H10K30/81H10K2102/101Y02E10/542Y02E10/549
Inventor 景蔚萱石佳凡徐志鹏周帆蒋庄德高伟卓
Owner XI AN JIAOTONG UNIV
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