JP2013153199A - 逆方向−キャリア励起子阻止層を有する有機ダブルへテロ構造太陽電池 - Google Patents
逆方向−キャリア励起子阻止層を有する有機ダブルへテロ構造太陽電池 Download PDFInfo
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- H10K30/20—Organic devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation comprising organic-organic junctions, e.g. donor-acceptor junctions
- H10K30/211—Organic devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation comprising organic-organic junctions, e.g. donor-acceptor junctions comprising multiple junctions, e.g. double heterojunctions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
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- H10K30/30—Organic devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation comprising bulk heterojunctions, e.g. interpenetrating networks of donor and acceptor material domains
- H10K30/353—Organic devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation comprising bulk heterojunctions, e.g. interpenetrating networks of donor and acceptor material domains comprising blocking layers, e.g. exciton blocking layers
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- H10K2102/103—Transparent electrodes, e.g. using graphene comprising transparent conductive oxides [TCO] comprising indium oxides, e.g. ITO
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Abstract
【解決手段】感光セルは、アノードおよびカソードと、アノードとカソードの間に接続されたドナーアクセプタ接合を形成するドナー型有機材料およびアクセプタ型有機材料と、ドナーアクセプタ接合のアクセプタ型有機材料とカソードの間に接続され、本質的に少なくとも10-7cm2/V-sec以上の正孔移動度を有する材料からなる励起子阻止層とを含み、阻止層のHOMOはアクセプタ型材料のHOMOより高いか等しい。
【選択図】図3B
Description
本発明は、米国エネルギー省、国立再生可能エネルギー研究所によって裁定された契約書第339-4012の下の政府援助で行われた。本発明において米国政府はいくらかの権利を有する。
本特許請求の発明は、以下、プリンストン大学、南カリフォルニア大学、ユニバーサルディスプレイ社、グローバルフォトニクスエナジー社の大学企業共同研究合意の当事者の、単独または複数によって、これらに代わって、および/またはこれらと共同して行われた。この合意は本特許請求の発明が行われた時点およびそれ以前に有効であって、本特許請求の発明もこの合意の範囲内で着手された活動の結果として為された。
ff={ImaxVmax}/{ISCVOC}
と定義され、ここでffは常に1未満であり、同様にISCおよびVOCは、実際に使用する場合、決して同時には取得されない。それでもffが1に近づくにつれて、デバイスは、少ない直列または内部抵抗を有するようになり、したがって最適条件の下で負荷に、より大きなパーセンテージのISCとVOCの積を送り出す。Pincがデバイスに入射するパワーである場合、デバイスの電力効率、ηpは
ηp=ff*(ISC *VOC)/Pinc
で計算できる。
ηP〜ηEXT =ηA*ηED*ηCC
ηEXT=ηA*ηINT
本発明の実施形態に対する好ましいパラメータを満たす実験的デバイス構造300が、図3Aおよび3Bに図示されている。C60はアクセプタ330として、トリス(アセチルアセトナト)ルテニウム(III)(Ru(acac)3)はEBL材料335として、およびAgは電極340として選択された。さらにITOがアノード315として使用され、CuPCがドナー325として使用され、基板310はガラスである。BCPベースデバイスと比較して、EBL335の厚さは、電力変換効率の損失なしに増やすことができる。
90 負荷
100 有機感光オプトエレクトロニクスデバイス
110 基板
115 アノード
120 アノード平滑層
125 ドナー層
130 アクセプタ
130 アクセプタ層
135 LUMO
135 阻止層
140 カソード
200 デバイス
310 基板
315 アノード
325 ドナー
330 アクセプタ
335 EBL材料
340 電極
901 基板
1000 デバイス
1000 デバイス
1040 複合カソード
1041 金属カソード
1042 非金属カソード
1100 デバイス
1115 アノード
1125 ドナー
1130 アクセプタ
1135 EBL
1140 カソード
1140 Agカソード層
1271 ダメージ媒介電荷輸送
1372 ダメージ媒介電荷輸送
Claims (7)
- アノードおよびカソードと、
前記アノードと前記カソードの間に接続されたドナーアクセプタ接合を形成するドナー型有機材料およびアクセプタ型有機材料と、
前記ドナーアクセプタ接合の前記アクセプタ型有機材料と前記カソードの間に接続され、トリス(アセチルアセトナト)ルテニウム(III)を含む励起子阻止層とを含み、
前記励起子阻止層のHOMOが前記アクセプタ型有機材料のHOMOより高いか等しい感光セル。 - 前記カソードの前記フェルミ準位が、前記励起子阻止層の前記HOMOを超えない高さである請求項1に記載の感光セル。
- 前記励起子阻止層の前記HOMOが、前記アクセプタ型有機材料のLUMOより1eV以下低い請求項1に記載の感光セル。
- 前記励起子阻止層が、本質的に、少なくとも10-7cm2/V-sec以上の正孔移動度を有する材料からなる請求項1に記載の感光セル。
- 前記励起子阻止層が、本質的に、少なくとも10-6cm2/V-sec以上の正孔移動度を有する材料からなる請求項1に記載の感光セル。
- 前記材料が、ダメージ-媒介電荷輸送の無い状態で、少なくとも10-7cm2/V-sec以上の前記正孔移動度を有する請求項5に記載の感光セル。
- 前記材料が、ドーパントおよび不純物のない状態で、少なくとも10-7cm2/V-sec以上の前記正孔移動度を有する請求項6に記載の感光セル。
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US20080001144A1 (en) | 2008-01-03 |
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MX2007015839A (es) | 2008-02-22 |
CN101379631A (zh) | 2009-03-04 |
KR20080025146A (ko) | 2008-03-19 |
WO2006138078A1 (en) | 2006-12-28 |
JP2008547197A (ja) | 2008-12-25 |
JP2015099947A (ja) | 2015-05-28 |
US20060278944A1 (en) | 2006-12-14 |
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JP5560254B2 (ja) | 2014-07-23 |
TW200705654A (en) | 2007-02-01 |
TWI402981B (zh) | 2013-07-21 |
CA2611864A1 (en) | 2006-12-28 |
KR101333875B1 (ko) | 2013-11-27 |
EP1900007A1 (en) | 2008-03-19 |
AR054472A1 (es) | 2007-06-27 |
US7230269B2 (en) | 2007-06-12 |
BRPI0611785A2 (pt) | 2011-12-20 |
AU2006259747A1 (en) | 2006-12-28 |
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