JP2013168296A - 有機フォトカソードおよびその製造方法 - Google Patents
有機フォトカソードおよびその製造方法 Download PDFInfo
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Abstract
【解決手段】 有機半導体の表面に金属微粒子が蒸着または堆積したフォトカソードであって、有機半導体のイオン化ポテンシャルと金属微粒子の仕事関数の何れよりも低いエネルギーの光照射により電子放出を生じることを特徴とするフォトカソード。
【選択図】図1
Description
従来のフォトカソードは、アルカリ金属や無機半導体表面に特殊処理を施したものであり、素子の設計自由度に制限があるという問題点があった。また、表面処理などによる複雑な製造プロセスを必要とし、低コスト化が困難であるという問題点があった。
まず、銀製の導電性基板に、亜鉛フタロシアニン(ZnPc)を真空蒸着法によって室温で成膜した。膜厚は20nmとした。真空度は、10−6Paの超高真空とした。
Claims (4)
- 有機分子層の表面に金属微粒子が蒸着または堆積したフォトカソードであって、有機分子層のイオン化ポテンシャルと金属微粒子の仕事関数の何れよりも低いエネルギーの光照射により電子放出を生じることを特徴とするフォトカソード。
- 有機分子層を有機半導体により構成したことを特徴とする請求項1に記載のフォトカソード。
- 有機半導体が亜鉛フタロシアニンであり金属が銀であることを特徴とする請求項2に記載のフォトカソード。
- 有機分子層の表面に、超高真空下で金属微粒子を蒸着または堆積させ、有機分子層のイオン化ポテンシャルと金属微粒子の仕事関数の何れよりも低いエネルギーの光照射により電子放出を生じるフォトカソードを製造するフォトカソード製造方法。
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JP2013168296A true JP2013168296A (ja) | 2013-08-29 |
JP5943321B2 JP5943321B2 (ja) | 2016-07-05 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2018077940A (ja) * | 2016-11-07 | 2018-05-17 | 国立大学法人東京工業大学 | ナノスケール光陰極電子源 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0586199A (ja) * | 1991-09-25 | 1993-04-06 | Shin Etsu Chem Co Ltd | ポリシラン及びその製造方法 |
JPH0750129A (ja) * | 1993-08-03 | 1995-02-21 | Nippon Sheet Glass Co Ltd | 光電子放出物質、光電子放出体及び光電子放出装置 |
JP2009094366A (ja) * | 2007-10-10 | 2009-04-30 | Japan Science & Technology Agency | 新規な液晶性n型有機導電体材料 |
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0586199A (ja) * | 1991-09-25 | 1993-04-06 | Shin Etsu Chem Co Ltd | ポリシラン及びその製造方法 |
JPH0750129A (ja) * | 1993-08-03 | 1995-02-21 | Nippon Sheet Glass Co Ltd | 光電子放出物質、光電子放出体及び光電子放出装置 |
JP2009094366A (ja) * | 2007-10-10 | 2009-04-30 | Japan Science & Technology Agency | 新規な液晶性n型有機導電体材料 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2018077940A (ja) * | 2016-11-07 | 2018-05-17 | 国立大学法人東京工業大学 | ナノスケール光陰極電子源 |
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