JP6037239B2 - 透明導電膜、これを用いた装置または太陽電池、及び透明導電膜の製造方法 - Google Patents
透明導電膜、これを用いた装置または太陽電池、及び透明導電膜の製造方法 Download PDFInfo
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Description
そこで、本発明は、セリウムの濃度及び成長雰囲気中の水素源の分圧を適切に調整することにより、高いホール移動度となる透明導電膜を提供することを目的とする。
上記構成により、透明導電膜の結晶性を高めることができる。
上記構成により、結晶粒界散乱の影響を低減して、高いホール移動度を有する透明導電膜を備えた装置となる。
上記構成により、結晶粒界散乱の影響を低減して、高いホール移動度を有する透明導電膜を備えた太陽電池となる。
CeO2粉末を3wt%含むIn2O3粉末の焼結体を蒸発源とし、かつ水素源の分圧が8.2×10−4Paとなるように水素ガスを供給し、アルゴンに対する酸素の導入比を7.5%〜15%の範囲で変化させて一連の透明導電膜12を成膜した。その後、それぞれ大気中において200℃で30分アニールした。
[実施例2]
実施例1に類似するが、CeO2粉末を2wt%含むIn2O3粉末の焼結体を用いた点で実施例1と相違する。
[実施例3]
実施例1に類似するが、CeO2粉末を1wt%含むIn2O3粉末の焼結体を用いた点で実施例1と相違する。
[比較例1]
実施例1に類似するが、水素ガスを供給しない点で実施例1に相違する。ただし、分圧が4.0×10−4Paとなる水素源が成長雰囲気のバックグラウンドとして存在する。
[比較例2]
実施例1に類似するが、水素源の分圧が9.4×10−4Paとなるように水素ガスを供給した点で相違する。
[比較例3]
実施例1に類似するが、水素源の分圧が1.0×10−3Paとなるように水素ガスを供給した点で相違する。
[比較例4]
実施例1に類似するが、水素源の分圧が1.2×10−3Paとなるように水素ガスを供給した点で相違する。
[比較例5]
実施例1に類似するが、CeO2粉末を含有しない(CeO2粉末の含有量が0wt%)In2O3粉末の焼結体を用いた点で実施例1と相違する。
[比較例6]
実施例1に類似するが、CeO2粉末を含有しないIn2O3粉末の焼結体を用いた点、及び水素源の分圧が1.2×10−3Paとなるように水素ガスを供給した点で実施例1と相違する。
前述のように、実施例1において、ホール移動度は、図1,2に示すように、酸素導入比が9%以上で、120cm2/(V・s)以上の値を維持している。また図19に示すように、実施例1のプロットデータは、イオン化不純物散乱に起因する曲線μI上に並んでおり、ホール移動度が粒界散乱の影響をほとんど受けていいないと考えられる。
Claims (4)
- 水素及びランタノイド系元素を含有する酸化インジウムの多結晶構造からなる透明導電膜であって、
前記多結晶構造を構成する多数の島状結晶と、
互いに隣接する前記島状結晶の間を埋めるように配置されたバッファー結晶と、を有し、
前記バッファー結晶は、
前記バッファー結晶に接続する第1の島状結晶から前記バッファー結晶を経由して前記バッファー結晶に接続する第2の島状結晶に向かうにつれて、前記第1の島状結晶の結晶構造から前記第2の島状結晶の結晶構造へ連続的に変化する結晶構造を有し、
前記ランタノイド系元素はセリウムであり、その原子組成百分率が0.23%以上であり、
ホール移動度が120cm2/(V・s)以上であることを特徴とする透明導電膜。 - 請求項1に記載の透明導電膜を有することを特徴とする装置。
- 請求項1に記載の透明導電膜を有することを特徴とする太陽電池。
- 水素及びランタノイド系元素を含有する酸化インジウムの多結晶構造からなる透明導電膜の製造方法であって、
前記ランタノイド系元素はセリウムであり、その原子組成百分率が0.23%以上を含む焼結体を蒸発源とし、かつ水素源の分圧が4.2×10 −4 Pa〜5.4×10 −4 Paとなるように水素ガスの流量を調整して、
前記多結晶構造を構成する多数の島状結晶と、互いに隣接する前記島状結晶の間を埋めるように配置されたバッファー結晶と、を有し、前記バッファー結晶は、前記バッファー結晶に接続する第1の島状結晶から前記バッファー結晶を経由して前記バッファー結晶に接続する第2の島状結晶に向かうにつれて、前記第1の島状結晶の結晶構造から前記第2の島状結晶の結晶構造へ連続的に変化する結晶構造を有し、ホール移動度が120cm 2 /(V・s)以上であるように成膜することを特徴とする透明導電膜の製造方法。
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014186841A JP6037239B2 (ja) | 2014-09-12 | 2014-09-12 | 透明導電膜、これを用いた装置または太陽電池、及び透明導電膜の製造方法 |
| PCT/JP2015/073214 WO2016039097A1 (ja) | 2014-09-12 | 2015-08-19 | 透明導電膜、これを用いた装置または太陽電池、及び透明導電膜の製造方法 |
| TW104128818A TWI676996B (zh) | 2014-09-12 | 2015-09-01 | 透明導電膜、使用此之裝置或太陽能電池及透明導電膜之製造方法 |
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| JP2014186841A JP6037239B2 (ja) | 2014-09-12 | 2014-09-12 | 透明導電膜、これを用いた装置または太陽電池、及び透明導電膜の製造方法 |
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| JP2016062647A JP2016062647A (ja) | 2016-04-25 |
| JP6037239B2 true JP6037239B2 (ja) | 2016-12-07 |
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| JP (1) | JP6037239B2 (ja) |
| TW (1) | TWI676996B (ja) |
| WO (1) | WO2016039097A1 (ja) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR101992074B1 (ko) * | 2016-08-25 | 2019-06-21 | 가부시키가이샤 알박 | 성막 장치 및 성막 방법 그리고 태양 전지의 제조 방법 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3947575B2 (ja) * | 1994-06-10 | 2007-07-25 | Hoya株式会社 | 導電性酸化物およびそれを用いた電極 |
| JP5377328B2 (ja) * | 2007-12-25 | 2013-12-25 | 出光興産株式会社 | 酸化スズ−酸化マグネシウム系スパッタリングターゲット及び透明半導体膜 |
| TWI553666B (zh) * | 2009-09-17 | 2016-10-11 | 松下知識產權經營股份有限公司 | 透明導電膜及具備該導電膜之裝置 |
| JP5561358B2 (ja) * | 2010-03-19 | 2014-07-30 | 住友金属鉱山株式会社 | 透明導電膜 |
| JP5189674B2 (ja) * | 2010-12-28 | 2013-04-24 | 出光興産株式会社 | 酸化物半導体薄膜層を有する積層構造、積層構造の製造方法、薄膜トランジスタ及び表示装置 |
| JP2014095099A (ja) * | 2012-11-07 | 2014-05-22 | Sumitomo Metal Mining Co Ltd | 透明導電膜積層体及びその製造方法、並びに薄膜太陽電池及びその製造方法 |
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- 2014-09-12 JP JP2014186841A patent/JP6037239B2/ja not_active Expired - Fee Related
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- 2015-08-19 WO PCT/JP2015/073214 patent/WO2016039097A1/ja not_active Ceased
- 2015-09-01 TW TW104128818A patent/TWI676996B/zh not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016039097A1 (ja) | 2016-03-17 |
| JP2016062647A (ja) | 2016-04-25 |
| TWI676996B (zh) | 2019-11-11 |
| TW201626405A (zh) | 2016-07-16 |
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