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Thin film solar cell and method of manufacturing the same

A technology of solar cells and thin films, applied in circuits, photovoltaic power generation, electrical components, etc., can solve the problems that solar cells are not widely used, high manufacturing costs and installation costs

Inactive Publication Date: 2011-04-20
LG DISPLAY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the high manufacturing and installation costs of existing solar cells utilizing monocrystalline silicon, such solar cells have not been widely used

Method used

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  • Thin film solar cell and method of manufacturing the same
  • Thin film solar cell and method of manufacturing the same
  • Thin film solar cell and method of manufacturing the same

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Embodiment Construction

[0023] Reference will now be made in detail to embodiments of the invention, examples of which are illustrated in the accompanying drawings.

[0024] figure 1 is a cross-sectional view showing the thin film solar cell according to the first exemplary embodiment.

[0025] Such as figure 1 As shown, the thin film solar cell 100 includes a substrate 110, a first electrode 120 disposed on the substrate 110, an absorber layer 130 disposed on the first electrode 120, a second electrode 140 disposed on the absorber layer 130, and a The opposite substrate 150 on the second electrode 140 . The absorption layer 130 may further include amorphous silicon films 131 and polysilicon films 132 alternately arranged in a direction perpendicular to the substrate 110 .

[0026] The substrate 110 may be made of glass or transparent resin. The glass may be a transparent and highly insulating glass sheet comprising silicon oxide (SiO 2 ), sodium oxide (Na 2 O) and calcium oxide (CaO) as the ma...

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Abstract

A thin film solar cell including a first substrate, a first electrode on the first substrate, an upper surface of the first electrode having a plurality of irregularities, an absorption layer on the first electrode, the absorption layer including amorphous silicon layers and microcrystal silicon layers contacting the first electrode at an angle relative to the first substrate, a second electrode on the absorption layer, and a second substrate on the second electrode.

Description

[0001] This application claims priority from Korean Patent Application No. 10-2009-0084899 filed September 9, 2009, which is incorporated herein by reference. technical field [0002] This document relates to a thin film solar cell and a method of manufacturing the same, and more particularly, to a thin film solar cell equipped with an absorber layer including amorphous silicon and polycrystalline silicon and a method of manufacturing the same. Background technique [0003] In recent years, various studies on replacing existing fossil fuels have been conducted in order to solve severe energy problems. In particular, since petroleum resources will decrease in the next few decades, various studies have been conducted on utilization of natural energy sources such as wind energy, atomic energy, and solar energy. Among these alternative energy sources, solar cells utilizing the relatively unlimited and environmentally friendly solar energy are envisioned. Research on solar cells...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L31/042H01L31/028H01L31/20
CPCY02E10/545H01L31/022425H01L31/02366H01L31/03762H01L31/03685Y02E10/548Y02E10/547H01L31/0445
Inventor 朴元绪李正禹朴成基俞以仁
Owner LG DISPLAY CO LTD