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Dye-sensitized solar cells and manufacturing method thereof

A solar cell, dye-sensitized technology, applied in the field of high-efficiency dye-sensitized solar cell and its manufacture

Inactive Publication Date: 2011-04-13
LG DISPLAY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] However, previous methods have shown limitations in improving the photoelectric conversion efficiency

Method used

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  • Dye-sensitized solar cells and manufacturing method thereof
  • Dye-sensitized solar cells and manufacturing method thereof
  • Dye-sensitized solar cells and manufacturing method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment approach

[0101] Embodiment: Fabrication of dye-sensitized solar cells

[0102] (1) Manufacture of working electrode

[0103] FTO glass (fluorine-doped tin oxide-coated conductive glass, Pilkington, TEC7) was cut at a size of 1.5 cm × 1.5 cm and cleaned ultrasonically for 10 min using glass detergent; distilled water was used to completely remove soap scum. Next, ultrasonic cleaning was repeated twice for 15 minutes using ethanol. The FTO glass was rinsed thoroughly with absolute ethanol and dried in an oven at 100 °C. In order to increase for TiO 2 The contact force of the FTO glass prepared by the above steps was soaked in 40mM titanium (IV) chloride solution at 70°C for 40 minutes, rinsed with distilled water, and completely dried in an oven at a temperature of 100°C. Next, titanium oxide (TiO 2 ) paste (18-NR), which was coated on FTO glass using a screen printer and a 9 mm x 9 mm mask (200 mesh). The coated film was dried in an oven at 100° C. for 20 minutes, which was repeate...

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Abstract

A dye-sensitized solar cell and a manufacturing method thereof are disclosed. The dye-sensitized solar cell comprises a first substrate including a first electrode, a photo-absorption layer positioned on the first substrate, and a second substrate positioned on the photo-absorption layer and including a second electrode, the photo-absorption layer including a first scattering layer positioned in an area close to the second electrode.

Description

[0001] This application claims priority from Korean Patent Application No. 10-2009-0084619 filed on Sep. 8, 2009, the entire contents of which are hereby incorporated by reference. technical field [0002] The present disclosure relates to dye-sensitized solar cells. More specifically, the present disclosure relates to high efficiency dye-sensitized solar cells and methods of manufacturing the same. Background technique [0003] In order to find alternatives to fossil fuels to solve the pressing energy crisis, various studies are being conducted. In particular, researchers are working on how to utilize natural resources such as wind energy, atomic energy, and solar energy in order to replace petroleum resources that will be exhausted in the next few decades. [0004] Unlike other potential alternatives, solar cells are eco-friendly and harness unlimited solar energy. Therefore, since the Si solar cell was developed in 1983, especially due to the recent energy crisis, the s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01G9/004H01G9/20H01M14/00H01L51/42H01L51/48
CPCH01G9/2059H01G9/2022H01L2251/306Y02E10/542H01G9/2031Y02P70/50H10K2102/102H01L31/04
Inventor 柳昇勋金棋容朴成基朱性壎
Owner LG DISPLAY CO LTD