SOLAR CELL AND METHOD FOR MANUFACTURING SAME

SOLAR CELL AND METHOD FOR MANUFACTURING SAME

The problem to be solved by the present invention is to provide a solar battery which reduces obstructing circumstances in improvement of photoelectric conversion efficiency. The solar battery of the present invention comprises a semiconductor substrate of a first conductivity type, a first semicond...

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Hauptverfasser: KUBO Masaharu, SAITO Tadashi
Format: Patent
Sprache:eng
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BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
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creator KUBO Masaharu
SAITO Tadashi
description The problem to be solved by the present invention is to provide a solar battery which reduces obstructing circumstances in improvement of photoelectric conversion efficiency. The solar battery of the present invention comprises a semiconductor substrate of a first conductivity type, a first semiconductor layer of a second conductivity type formed along at a light transmitting surface of the semiconductor substrate and collecting photo-generated carriers based on solar beam of middle and long wavelength, and a second semiconductor layer of a second conductivity type formed at a light incident surface of the semiconductor substrate and collecting photo-generated carriers which cannot reach a first semiconductor layer among photo-generated carriers based on the solar beam of middle and long wavelength as well as collecting photo-generated carriers based on solar beam of short wavelength.
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subjects BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
title SOLAR CELL AND METHOD FOR MANUFACTURING SAME
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