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A solar cell

A solar cell and electrode technology, applied in the field of solar cells, can solve the problems of poor wettability and low photoelectric conversion efficiency, and achieve the effects of enhanced infiltration, improved photoelectric conversion efficiency, and increased contact area.

Inactive Publication Date: 2007-10-24
HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to solve the problems of poor wettability between dyes and semiconductor materials and low photoelectric conversion efficiency in the dye-sensitized solar cells of the prior art, the first object of the present invention is to provide a kind of dye with good wettability to semiconductor materials and high photoelectric conversion efficiency. tall solar cells

Method used

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  • A solar cell
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Embodiment Construction

[0013] The present invention will be further described in detail below in conjunction with the accompanying drawings.

[0014] Please refer to FIG. 2 , the solar cell 100 provided by the present invention includes: a photocathode 2 , an electrolyte (not shown in the figure), and a photocathode 7 . Wherein, the electrolyte can be an iodine / lithium iodide electrolyte, and the photopositive electrode 7 can be a porous carbon electrode or a conductive substrate coated with a platinum layer.

[0015] The solar cell electrode provided by the present invention, that is, the photonegative electrode 2 of the solar cell 100 includes: a conductive substrate 1 , multiple semiconductor tubes 3 , and a photosensitizer layer 5 . Wherein, the conductive substrate 1 can be a transparent conductive glass, and fluorine-doped tin dioxide conductive glass is used in this embodiment. The semiconductor tubes 3 can be nanotubes or microtubes, and are formed on the conductive substrate 1 by etching o...

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Abstract

The invention provides a solar energy battery, for solving the problems of bad soakage of dye and semiconductor material in dye sensitized solar energy battery and low photoelectric conversion efficiency in existing technique, including a first electrode, a electrolyte and a second electrode, where the first electrode includes a conductive substrate, a semiconductor material layer and a photosencitizer layer, the semiconductor material layer is formed on the conductive substrate and includes many semiconductor tubes; the photosencitizer layer is formed on the semiconductor material layer. The invention provides an electrode of solar energy battery, including a conductive substrate, a semiconductor material layer and a photosencitizer layer, where the semiconductor material layer is formed on the conductive substrate and includes many semiconductor tubes; the photosencitizer layer is formed on the semiconductor material layer

Description

【Technical field】 [0001] The invention relates to a solar cell, in particular to a dye-sensitized solar cell electrode. 【Background technique】 [0002] A solar cell is a device that converts solar energy directly into electricity. Dye-sensitized solar cells developed in the 1990s use wide-bandgap semiconductor nano-membranes, and use the huge specific surface area of ​​nano-membranes to adsorb a large amount of photosensitive dyes on the surface, thereby effectively absorbing sunlight. [0003] Please refer to FIG. 1 , the Chinese invention patent application published on May 22, 2002 with the application number 01140225 discloses a nanocrystalline film solar cell electrode and its preparation method. The electrode is based on a wide bandgap semiconductor nanocrystal film 20, a layer of metal ions 30 is adsorbed on the surface of the substrate, and a photosensitizer 40 is adsorbed on the metal ion adsorption layer. [0004] Although the nanocrystalline film solar cell elec...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01L31/04
CPCY02E10/542
Inventor 黄全德黄文正
Owner HONG FU JIN PRECISION IND (SHENZHEN) CO LTD