JP2012531727A - ホットキャリアエネルギー変換構造、及びその製造方法 - Google Patents
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Abstract
Description
Claims (33)
- ホットキャリアエネルギー変換構造を製造する方法であって、
トンネル層を有するエネルギー選択性コンタクト(ESC)を形成する工程と、
キャリア生成層を前記ESC上に形成する工程と、
トンネル層を有しない半導体コンタクトを前記キャリア生成層上に形成する工程と、
を有する方法。 - 前記ESCは負側のESCを有し、前記半導体コンタクトは正側の半導体コンタクトを有する、請求項1に記載の方法。
- 前記ESCと前記半導体コンタクトとの間の仕事関数差を制御するよう、前記半導体コンタクトの仕事関数を制御する工程、を更に有する請求項1又は2に記載の方法。
- 前記半導体コンタクトの前記仕事関数を制御する工程は、前記半導体コンタクトの材料、前記半導体コンタクトの酸化物、又はこれら双方を選択することを有する、請求項3に記載の方法。
- 前記キャリア生成層を形成する工程の後に高温アニール工程は行われない、請求項1乃至4の何れか一項に記載の方法。
- 前記トンネル層はトータルエネルギーフィルタリングを提供する、請求項1乃至5の何れか一項に記載の方法。
- 前記半導体コンタクトは、その伝導帯の下端のエネルギー準位が、前記キャリア生成層内で生成される電子の平均エネルギーレベル、又は該電子のエネルギー密度分布のピークエネルギーレベルより高い、ように形成される、請求項1乃至6の何れか一項に記載の方法。
- 前記半導体コンタクトの伝導帯の下端のエネルギー準位は、前記キャリア生成層内で生成される電子のエネルギー密度分布の上端のエネルギー準位より高い、請求項1乃至7の何れか一項に記載の方法。
- 前記ESCの伝導帯のエネルギー準位は、前記キャリア生成層内で生成される電子の平均エネルギーレベル、又は該電子のエネルギー密度分布のピークエネルギーレベルに実質的に等しい、請求項1乃至8の何れか一項に記載の方法。
- 前記ESCの価電子帯の上端のエネルギー準位は、前記キャリア生成層内で生成される正孔の平均エネルギーレベル、又は該正孔のエネルギー密度分布のピークエネルギーレベルより低い、請求項1乃至9の何れか一項に記載の方法。
- 前記ESCの価電子帯の上端のエネルギー準位は、前記キャリア生成層内で生成される正孔のエネルギー密度分布の下端より低い、請求項1乃至10の何れか一項に記載の方法。
- 量子効果層は、バリア層内に埋め込まれたn型半導体材料を有し、電子移動層の伝導帯のエネルギー準位は、前記n型半導体材料のドーパント濃度を制御することによって選定される、請求項1乃至11の何れか一項に記載の方法。
- 前記バリア層は他のn型半導体材料を有し、前記バリア層のエネルギー準位は、前記他のn型半導体材料のドーパント濃度を制御することによって選定される、請求項12に記載の方法。
- 前記半導体コンタクトは、その価電子帯の上端のエネルギー準位が前記キャリア生成層の価電子帯の上端より高いように形成される、請求項1乃至13の何れか一項に記載の方法。
- 量子効果層は、量子井戸層、量子細線及び量子ドットからなる群のうちの1つを有する、請求項1乃至14の何れか一項に記載の方法。
- トンネル層を有するエネルギー選択性コンタクト(ESC)と、
前記ESC上のキャリア生成層と、
前記キャリア生成層上の、トンネル層を有しない半導体コンタクトと、
を有するホットキャリアエネルギー変換構造。 - 前記ESCは負側のESCを有し、前記半導体コンタクトは正側の半導体コンタクトを有する、請求項16に記載の構造。
- 前記半導体コンタクトの仕事関数は、前記ESCと前記半導体コンタクトとの間の仕事関数差を制御するように制御される、請求項16又は17に記載の構造。
- 前記半導体コンタクトの前記仕事関数を制御することは、前記半導体コンタクトの材料、前記半導体コンタクトの酸化物、又はこれら双方を選択することを有する、請求項18に記載の構造。
- 前記トンネル層はトータルエネルギーフィルタリングを提供する、請求項16乃至19の何れか一項に記載の構造。
- 前記半導体コンタクトの伝導帯の下端のエネルギー準位は、前記キャリア生成層内で生成される電子の平均エネルギーレベル、又は該電子のエネルギー密度分布のピークエネルギーレベルより高い、請求項16乃至20の何れか一項に記載の構造。
- 前記半導体コンタクトの伝導帯の下端のエネルギー準位は、前記キャリア生成層内で生成される電子のエネルギー密度分布の上端のエネルギー準位より高い、請求項16乃至21の何れか一項に記載の構造。
- 前記ESCの伝導帯のエネルギー準位は、前記キャリア生成層内で生成される電子の平均エネルギーレベル、又は該電子のエネルギー密度分布のピークエネルギーレベルに実質的に等しい、請求項16乃至22の何れか一項に記載の構造。
- 前記ESCの価電子帯の上端のエネルギー準位は、前記キャリア生成層内で生成される正孔の平均エネルギーレベル、又は該正孔のエネルギー密度分布のピークエネルギーレベルより低い、請求項16乃至23の何れか一項に記載の構造。
- 前記ESCの価電子帯の上端のエネルギー準位は、前記キャリア生成層内で生成される正孔のエネルギー密度分布の下端より低い、請求項16乃至24の何れか一項に記載の構造。
- 量子効果層は、バリア層内に埋め込まれたn型半導体材料を有し、電子移動層の伝導帯のエネルギー準位は、前記n型半導体材料のドーパント濃度を制御することによって選定される、請求項16乃至25の何れか一項に記載の構造。
- 前記バリア層は他のn型半導体材料を有し、前記バリア層のエネルギー準位は、前記他のn型半導体材料のドーパント濃度を制御することによって選定される、請求項26に記載の構造。
- 前記半導体コンタクトの価電子帯の上端のエネルギー準位は、前記キャリア生成層の価電子帯の上端より高い、請求項16乃至27の何れか一項に記載の構造。
- 量子効果層は、量子井戸層、量子細線及び量子ドットからなる群のうちの1つを有する、請求項16乃至28の何れか一項に記載の構造。
- 当該エネルギー変換構造の出力を最大化するように調整された電圧を正極と負極との間に印加する手段、を更に有する請求項16乃至29の何れか一項に記載の構造。
- 前記電圧を印加する手段は、前記出力を最大化するように調整された抵抗値を有する負荷である、請求項30に記載の構造。
- 前記エネルギー変換構造の出力を最大化するように調整された電圧を正極と負極との間に印加すること、を更に有する請求項1乃至15の何れか一項に記載の方法。
- 前記電圧を印加することは、前記出力を最大化するように調整された抵抗値を有する負荷を使用する、請求項32に記載の方法。
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AU2009903121A AU2009903121A0 (en) | 2009-07-03 | Hot carrier energy conversion structure and method of fabricating the same | |
PCT/AU2010/000848 WO2011000055A1 (en) | 2009-07-03 | 2010-07-02 | Hot carrier energy conversion structure and method of fabricating the same |
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DE102012003467A1 (de) | 2012-02-21 | 2013-08-22 | Hans-Josef Sterzel | Photovoltaische Solarzellen auf der Basis von Emittern sehr niedriger Austrittsarbeit, einer Tunnelschicht und einem Kollektor mit negativer Elektronenaffinität zur Nutzung heißer Elektronen |
DE102012005082A1 (de) | 2012-03-13 | 2013-09-19 | Hans-Josef Sterzel | Halbleiter enger Bandlücke mit sehr niedriger Austrittsarbeit |
DE102013105462A1 (de) | 2013-05-28 | 2014-12-04 | Ernst-Abbe-Fachhochschule Jena | Schichtenfolge zur photoelektrischen Umwandlung von Licht sowie Hot Carrier Solarzelle |
TWI493739B (zh) * | 2013-06-05 | 2015-07-21 | Univ Nat Taiwan | 熱載子光電轉換裝置及其方法 |
US10559864B2 (en) | 2014-02-13 | 2020-02-11 | Birmingham Technologies, Inc. | Nanofluid contact potential difference battery |
CN106206269B (zh) * | 2016-07-26 | 2019-09-17 | 山东大学 | 一种利用半导体极性场提高热电子注入效率的方法 |
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FR3135349A1 (fr) * | 2022-05-06 | 2023-11-10 | Institut Photovoltaique d'Ile de France | Cellules solaires multi-jonctions à porteurs chauds |
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US20070137693A1 (en) * | 2005-12-16 | 2007-06-21 | Forrest Stephen R | Intermediate-band photosensitive device with quantum dots having tunneling barrier embedded in inorganic matrix |
WO2008143721A2 (en) * | 2007-02-12 | 2008-11-27 | Solasta, Inc. | Photovoltaic cell with reduced hot-carrier cooling |
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