SOLAR CELL ELEMENT AND SOLAR CELL MODULE

PROBLEM TO BE SOLVED: To provide a solar cell element having a heterojunction structure with improved photoelectric conversion characteristics.SOLUTION: A solar cell element 1 includes: a crystalline silicon substrate 10; a P-doped silicon oxide layer 20 containing phosphorous as an impurity, which...

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Bibliographische Detailangaben
Hauptverfasser: YANO AYUMI, YAMADA HIROYUKI, SENO MINATO
Format: Patent
Sprache:eng ; jpn
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a solar cell element having a heterojunction structure with improved photoelectric conversion characteristics.SOLUTION: A solar cell element 1 includes: a crystalline silicon substrate 10; a P-doped silicon oxide layer 20 containing phosphorous as an impurity, which is formed over a first principal plane of a silicon substrate 10; and an amorphous silicon layer 30 formed over the P-doped silicon oxide layer 20.SELECTED DRAWING: Figure 4 【課題】光電変換特性が改善されたヘテロ接合構造を有する太陽電池素子を提供する。【解決手段】太陽電池素子1は、結晶系のシリコン基板10と、シリコン基板10の第1主面上に形成された、リンを不純物として含むPドープシリコン酸化物層20と、Pドープシリコン酸化物層20の上に形成された非晶質シリコン層30とを備える。【選択図】図4