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Solar cell

A technology of solar cells and semiconductors, applied in the field of solar cells, can solve problems such as the reduction of solar cell efficiency

Active Publication Date: 2015-04-29
LG ELECTRONICS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the efficiency of solar cells decreases

Method used

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  • Solar cell
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Embodiment Construction

[0031] The present invention will now be described more fully with reference to the accompanying drawings, in which exemplary embodiments of the invention are shown. However, the invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

[0032] In the drawings, the thickness of layers, films, panels, regions, etc., are exaggerated for clarity. Like reference numerals will be used to refer to like elements throughout the description. It will be understood that when an element such as a layer, film, region, or substrate is referred to as being "on" another element, it can be directly on the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present.

[0033] Reference will now be made in detail to embodiments of the invention, examples of which are illustrated in the accompanying drawi...

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Abstract

A solar cell including a non-amorphous semiconductor substrate of a first conductive type; at least a first semiconductor layer on the non-amorphous semiconductor substrate, the first semiconductor layer including a portion that is amorphous and a plurality of portions having crystal lumps, so that the plurality of portions having the crystal lumps are distributed in the first semiconductor layer; a first electrode on the semiconductor substrate; and a second electrode on the semiconductor substrate.

Description

technical field [0001] Embodiments of the present invention relate to solar cells. Background technique [0002] Recently, since existing energy sources such as oil and coal are believed to be exhausted, there has been increasing interest in alternative energy sources to replace existing energy sources. Among these alternative energy sources, a solar cell is particularly attracting attention as a cell for generating electric energy from solar energy, since it can draw energy from a sufficient source without causing environmental pollution. [0003] A solar cell generally includes a substrate and an emitter layer each formed of a semiconductor, and electrodes respectively formed on the substrate and the emitter layer. Semiconductors forming the substrate and the emitter layer have different conductivity types, such as p-type and n-type. A p-n junction is formed at the interface between the substrate and the emitter layer. [0004] When light is incident on a solar cell, a ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01L31/0216H01L31/0368H01L31/068H01L31/0747
CPCH01L31/02167H01L31/03682H01L31/0682H01L31/0747Y02E10/546Y02E10/547H01L31/04H01L31/022466H01L31/0368H01L31/077
Inventor 梁贤真崔正薰池光善李宪民
Owner LG ELECTRONICS INC