JP2012522067A - カルバゾール含有伝導性高分子およびこれを用いた有機光起電力装置 - Google Patents
カルバゾール含有伝導性高分子およびこれを用いた有機光起電力装置 Download PDFInfo
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- JP2012522067A JP2012522067A JP2012501945A JP2012501945A JP2012522067A JP 2012522067 A JP2012522067 A JP 2012522067A JP 2012501945 A JP2012501945 A JP 2012501945A JP 2012501945 A JP2012501945 A JP 2012501945A JP 2012522067 A JP2012522067 A JP 2012522067A
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- Prior art keywords
- conductive polymer
- carbazole
- photoelectric conversion
- photovoltaic device
- organic photovoltaic
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- UJOBWOGCFQCDNV-UHFFFAOYSA-N 9H-carbazole Chemical compound C1=CC=C2C3=CC=CC=C3NC2=C1 UJOBWOGCFQCDNV-UHFFFAOYSA-N 0.000 title claims abstract description 60
- 229920001940 conductive polymer Polymers 0.000 title claims abstract description 58
- 238000013086 organic photovoltaic Methods 0.000 title claims abstract description 45
- 238000006243 chemical reaction Methods 0.000 claims abstract description 79
- 239000000463 material Substances 0.000 claims abstract description 38
- 239000000126 substance Substances 0.000 claims abstract description 35
- 239000000178 monomer Substances 0.000 claims abstract description 19
- 239000010409 thin film Substances 0.000 claims abstract description 16
- 125000003118 aryl group Chemical group 0.000 claims abstract description 9
- XMWRBQBLMFGWIX-UHFFFAOYSA-N C60 fullerene Chemical class C12=C3C(C4=C56)=C7C8=C5C5=C9C%10=C6C6=C4C1=C1C4=C6C6=C%10C%10=C9C9=C%11C5=C8C5=C8C7=C3C3=C7C2=C1C1=C2C4=C6C4=C%10C6=C9C9=C%11C5=C5C8=C3C3=C7C1=C1C2=C4C6=C2C9=C5C3=C12 XMWRBQBLMFGWIX-UHFFFAOYSA-N 0.000 claims description 17
- 239000002904 solvent Substances 0.000 claims description 16
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 claims description 14
- 125000003184 C60 fullerene group Chemical class 0.000 claims description 10
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 claims description 10
- RFFLAFLAYFXFSW-UHFFFAOYSA-N 1,2-dichlorobenzene Chemical compound ClC1=CC=CC=C1Cl RFFLAFLAYFXFSW-UHFFFAOYSA-N 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 8
- 239000000758 substrate Substances 0.000 claims description 8
- 150000001875 compounds Chemical class 0.000 claims description 5
- 125000000217 alkyl group Chemical group 0.000 claims description 4
- 125000001072 heteroaryl group Chemical group 0.000 claims description 4
- 125000000592 heterocycloalkyl group Chemical group 0.000 claims description 4
- 229920000642 polymer Polymers 0.000 abstract description 38
- -1 carbazole compound Chemical class 0.000 abstract description 14
- 125000000524 functional group Chemical group 0.000 abstract description 9
- 238000010521 absorption reaction Methods 0.000 abstract description 7
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 33
- 239000000370 acceptor Substances 0.000 description 29
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 26
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 24
- 238000000034 method Methods 0.000 description 18
- 230000000052 comparative effect Effects 0.000 description 16
- 229910052757 nitrogen Inorganic materials 0.000 description 13
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- NBJGUMLGJPJNLO-UHFFFAOYSA-N 2,7-dibromo-9-dodecylcarbazole Chemical compound C1=C(Br)C=C2N(CCCCCCCCCCCC)C3=CC(Br)=CC=C3C2=C1 NBJGUMLGJPJNLO-UHFFFAOYSA-N 0.000 description 9
- 238000002156 mixing Methods 0.000 description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- NIHNNTQXNPWCJQ-UHFFFAOYSA-N fluorene Chemical compound C1=CC=C2CC3=CC=CC=C3C2=C1 NIHNNTQXNPWCJQ-UHFFFAOYSA-N 0.000 description 6
- 230000031700 light absorption Effects 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
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- 239000001301 oxygen Substances 0.000 description 5
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- WLPUWLXVBWGYMZ-UHFFFAOYSA-N tricyclohexylphosphine Chemical compound C1CCCCC1P(C1CCCCC1)C1CCCCC1 WLPUWLXVBWGYMZ-UHFFFAOYSA-N 0.000 description 5
- PDQRQJVPEFGVRK-UHFFFAOYSA-N 2,1,3-benzothiadiazole Chemical compound C1=CC=CC2=NSN=C21 PDQRQJVPEFGVRK-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- QARVLSVVCXYDNA-UHFFFAOYSA-N bromobenzene Chemical compound BrC1=CC=CC=C1 QARVLSVVCXYDNA-UHFFFAOYSA-N 0.000 description 4
- 125000000609 carbazolyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3NC12)* 0.000 description 4
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- PIILXFBHQILWPS-UHFFFAOYSA-N tributyltin Chemical group CCCC[Sn](CCCC)CCCC PIILXFBHQILWPS-UHFFFAOYSA-N 0.000 description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 3
- 0 C*c1cc([n](*)c2c3[s]c(*C)c2)c3[s]1 Chemical compound C*c1cc([n](*)c2c3[s]c(*C)c2)c3[s]1 0.000 description 3
- 230000005587 bubbling Effects 0.000 description 3
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- FNQJDLTXOVEEFB-UHFFFAOYSA-N 1,2,3-benzothiadiazole Chemical compound C1=CC=C2SN=NC2=C1 FNQJDLTXOVEEFB-UHFFFAOYSA-N 0.000 description 2
- 239000005964 Acibenzolar-S-methyl Substances 0.000 description 2
- 229910000882 Ca alloy Inorganic materials 0.000 description 2
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- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
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- NNLVGZFZQQXQNW-ADJNRHBOSA-N [(2r,3r,4s,5r,6s)-4,5-diacetyloxy-3-[(2s,3r,4s,5r,6r)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxy-6-[(2r,3r,4s,5r,6s)-4,5,6-triacetyloxy-2-(acetyloxymethyl)oxan-3-yl]oxyoxan-2-yl]methyl acetate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](OC(C)=O)[C@H]1OC(C)=O)O[C@H]1[C@@H]([C@@H](OC(C)=O)[C@H](OC(C)=O)[C@@H](COC(C)=O)O1)OC(C)=O)COC(=O)C)[C@@H]1[C@@H](COC(C)=O)O[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@H]1OC(C)=O NNLVGZFZQQXQNW-ADJNRHBOSA-N 0.000 description 2
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- HXITXNWTGFUOAU-UHFFFAOYSA-N phenylboronic acid Chemical compound OB(O)C1=CC=CC=C1 HXITXNWTGFUOAU-UHFFFAOYSA-N 0.000 description 2
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- 229910001316 Ag alloy Inorganic materials 0.000 description 1
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 229910005191 Ga 2 O 3 Inorganic materials 0.000 description 1
- 229910000733 Li alloy Inorganic materials 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229910000861 Mg alloy Inorganic materials 0.000 description 1
- 229920000144 PEDOT:PSS Polymers 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229910006404 SnO 2 Inorganic materials 0.000 description 1
- MCEWYIDBDVPMES-UHFFFAOYSA-N [60]pcbm Chemical compound C123C(C4=C5C6=C7C8=C9C%10=C%11C%12=C%13C%14=C%15C%16=C%17C%18=C(C=%19C=%20C%18=C%18C%16=C%13C%13=C%11C9=C9C7=C(C=%20C9=C%13%18)C(C7=%19)=C96)C6=C%11C%17=C%15C%13=C%15C%14=C%12C%12=C%10C%10=C85)=C9C7=C6C2=C%11C%13=C2C%15=C%12C%10=C4C23C1(CCCC(=O)OC)C1=CC=CC=C1 MCEWYIDBDVPMES-UHFFFAOYSA-N 0.000 description 1
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- 239000002322 conducting polymer Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
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- 230000003247 decreasing effect Effects 0.000 description 1
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- 229910052731 fluorine Inorganic materials 0.000 description 1
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- 229920001002 functional polymer Polymers 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
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- 239000010931 gold Substances 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 238000007641 inkjet printing Methods 0.000 description 1
- 239000001989 lithium alloy Substances 0.000 description 1
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- 125000002080 perylenyl group Chemical group C1(=CC=C2C=CC=C3C4=CC=CC5=CC=CC(C1=C23)=C45)* 0.000 description 1
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- 239000004332 silver Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000002207 thermal evaporation Methods 0.000 description 1
- 150000003577 thiophenes Chemical class 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- SYUVAXDZVWPKSI-UHFFFAOYSA-N tributyl(phenyl)stannane Chemical compound CCCC[Sn](CCCC)(CCCC)C1=CC=CC=C1 SYUVAXDZVWPKSI-UHFFFAOYSA-N 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
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Abstract
【解決手段】 本発明は、下記の一般式1(化1)で表される2,7−カルバゾール基含有伝導性高分子およびこれを光電変換材料として用いた有機光起電力装置に関する。本発明は、様々な種類の芳香族単量体が1種以上含まれているドナー官能基のみからなる高分子またはドナー官能基に繰り返し的なアクセプター基を導入したドナー−アクセプタータイプの高分子にカルバゾール化合物を特定量導入することにより、高い光子吸収能を有するだけではなく、正孔移動度を向上させた伝導性高分子を提供することにより、有機薄膜トランジスター(OTFT)、有機発光ダイオード(OLED)用の光電変換材料として活用することができる。
【選択図】 図1
Description
また、好適なアクセプター単量体は、下記の一般式11(化11)乃至一般式16(化16)で表される化合物の中から選ばれるいずれか1種を用いるものである。
本発明に係る一般式1(化1)で表される伝導性高分子において、XおよびYは、前記ドナー単量体またはアクセプター単量体の他にも、公知の様々な伝導性官能基または光吸収機能を有するいずれか1種の単量体構造であってもよい。好ましくは、XおよびYが両方とも結晶性を有するチオフェン誘導体であってもよい。さらに好ましくは、Xは、ドナー官能基を有し、且つ、Yは、アクセプター官能基を有していて、ドナー−アクセプタータイプの低いバンドギャップの高分子を構成してもよい。
反応フラスコに、2,7−ビス(4´,4´,5´,5´−テトラメチル−1´,3´,2´−ジオキサボロラン−2´−イル)−9,9−ジデシルフルオレン0.300g(0.429mmol)、4,7−ジ−2´−(5´−ブロモ)−チエニル−2,1,3−ベンゾチアジアゾール0.187g(0.409mmol)、N−ドデシル−2,7−ジブロモカルバゾール0.0106g(0.0215mmol)を入れ、1時間真空引きした後、トルエン7mlを入れた後、30分間攪拌した。エタノール1.5mlと20重量%のEt4NOH1.5mlを入れた後、窒素でバブリングして、溶媒中に溶けている溶存酸素を除去した。
反応フラスコに、2,7−ビス(4´,4´,5´,5´−テトラメチル−1´,3´,2´−ジオキサボロラン−2´−イル)−9,9−ジデシルフルオレン0.300g(0.429mmol)、4,7−ジ−2´−(5´−ブロモ)−チエニル−2,1,3−ベンゾチアジアゾール0.177g(0.386mmol)、N−ドデシル−2,7−ジブロモカルバゾール0.0212g(0.0429mmol)を入れて1時間真空引きした後、トルエン7mlを入れた後、30分間攪拌することを除いては、前記実施例1の方法と同様にして、高分子200mgを得た[Mw=6,796g/mol(PDI=2.0)]。
反応フラスコに、2,7−ビス(4´,4´,5´,5´−テトラメチル−1´,3´,2´−ジオキサボロラン−2´−イル)−9,9−ジデシルフルオレン0.400g(0.573mmol)、4,7−ジ−2´−(5´−ブロモ)−チエニル−2,1,3−ベンゾチアジアゾール0.210g(0.458mmol)、N−ドデシル−2,7−ジブロモカルバゾール0.0106g(0.0215mmol)を入れて1時間真空引きした後、トルエン8mlを入れた後、30分間攪拌することを除いては、前記実施例1の方法と同様にして、高分子200mgを得た[Mw=5,125g/mol(PDI=2.0)]。
反応フラスコに、2,7−ビス(4´,4´,5´,5´−テトラメチル−1´,3´,2´−ジオキサボロラン−2´−イル)−9,9−ジデシルフルオレン0.300g(0.429mmol)、4,7−ジ−2´−(5´−ブロモ)−チエニル−2,1,3−ベンゾチアジアゾール0.197g(0.429mmol)を入れて、1時間真空引きした後、トルエン7mlを入れた後、30分間攪拌することを除いては、前記実施例1の方法と同様にして、高分子120mgを得た[Mw=5,015g/mol(PDI=1.8)]。
反応フラスコに、2,7−ビス(4´,4´,5´,5´−テトラメチル−1´,3´,2´−ジオキサボロラン−2´−イル)−9,9−ジデシルフルオレン0.3g(0.429mmol)、4,7−ジ−2´−(5´−ブロモ)−チエニル−2,1,3−ベンゾチアジアゾール0.137g(0.300mmol)、N−ドデシル−2,7−ジブロモカルバゾール0.064g(0.129mmol)を入れて1時間真空引きした後、トルエン7mlを入れた後、30分間攪拌することを除いては、前記実施例1の方法と同様にして、高分子260mgを得た[Mw=8,521g/mol(PDI=2.4)]。
反応フラスコに、2,7−ビス(4´,4´,5´,5´−テトラメチル−1´,3´,2´−ジオキサボロラン−2´−イル)−9,9−ジデシルフルオレン0.3g(0.429mmol)、4,7−ジ−2´−(5´−ブロモ)−チエニル−2,1,3−ベンゾチアジアゾール0.118g(0.258mmol)、N−ドデシル−2,7−ジブロモカルバゾール0.084g(0.172mmol)を入れて1時間真空引きした後、トルエン7mlを入れた後、30分間攪拌することを除いては、前記実施例1の方法と同様にして、高分子220mgを得た[Mw=12,233g/mol(PDI=2.6)]。
反応フラスコに、2,7−ビス(4´,4´,5´,5´−テトラメチル−1´,3´,2´−ジオキサボロラン−2´−イル)−9,9−ジデシルフルオレン0.3g(0.429mmol)、4,7−ジ−2´−(5´−ブロモ)−チエニル−2,1,3−ベンゾチアジアゾール0.098g(0.215mmol)、N−ドデシル−2,7−ジブロモカルバゾール0.106g(0.215mmol)を入れて1時間真空引きした後、トルエン7mlを入れた後、30分間攪拌することを除いては、前記実施例1の方法と同様にして、高分子270mgを得た[Mw=9,342g/mol(PDI=2.4)]。
前記スズキ方法を通じて合成された実施例1〜3および比較例1〜4のカルバゾール基を含む伝導性高分子を電子供与体として用い、C70−PCBMを電子受容体として用いるが、その配合比を1:3重量比で混合して製造された光電変換層材料をクロロベンゼン溶媒に1.5%の重量比で含有されるように溶解させた後、アルゴン雰囲気下でPEDOT層が導入されたITOガラス基板にスピンコーティングして70〜120nmの厚さの光電変換層を導入し、120℃の熱板で5分間熱処理した。
下記の反応式1(化17)に示す方法に従い製造された実施例1〜3および比較例1〜4の高分子と、C70−PCBMを1:3重量比で混合して光電変換層材料を製造し、これを用いた有機光起電力装置に対して測定した電気光学的特性結果を下記表1に示す。
反応フラスコに、2,6−ビス(トリブチルスタンナニル)−4,4´−ジヘキシルジチエノシロール0.300g(0.436mmol)、4,7−ブロモ−2,1,3−ベンゾチアジアゾール0.122g(0.414mmol)、N−ドデシル−2,7−ジブロモカルバゾール0.0107g(0.0218mmol)とトルエン2mlを入れた後、10分間窒素でバブリングして、溶媒中に溶けている溶存酸素を除去した。窒素を流しつつ、Pd(OAc)22.9mg(0.0129mmol)とトリシクロヘキシホスフィン10.8mg(0.0386mmol)を入れてさらに5分間窒素で泡立てした。窒素雰囲気下で外部油浴の温度を120℃に維持しつつ2日間還流した。
反応フラスコに、2,6−ビス(トリブチルスタンナニル)−4,4´−ジヘキシルジチエノシロール0.300g(0.436mmol)、4,7−ブロモ−2,1,3−ベンゾチアジアゾール0.102g(0.349mmol)、N−ドデシル−2,7−ジブロモカルバゾール0.043g(0.087mmol)とトルエン1.5mlを入れた後、10分間窒素のバブリングをして、溶媒中に溶けている溶存酸素を除去した。
反応フラスコに、2,6−ビス(トリブチルスタンナニル)−4,4´−ジヘキシルジチエノシロール0.40g(0.58mmol)、4,7−ブロモ−2,1,3−ベンゾチアジアゾール0.17g(0.58mmol)とトルエン2mlを入れた後、10分間窒素でバブリングして、溶媒中に溶けている溶存酸素を除去した。
反応フラスコに、2,6−ビス(トリブチルスタンナニル)−4,4´−ジヘキシルジチエノシロール0.300g(0.436mmol)、4,7−ブロモ−2,1,3−ベンゾチアジアゾール0.064g(0.218mmol)、N−ドデシル−2,7−ジブロモカルバゾール0.107g(0.218mmol)とトルエン1.5mlを入れた後、10分間窒素でバブリングして、溶媒中に溶けている溶存酸素を除去した。
前記スチーリー方法を通じて合成された実施例5〜6および比較例5〜6のカルバゾール基を含む伝導性高分子を電子供与体として用い、C70−PCBMを電子受容体として用いるが、その配合比を1:3重量比で混合して製造された光電変換層材料をクロロベンゼン溶媒に1.5%の重量比で含有されるように溶解させた後、前記実施例4の方法と同様にして有機光起電力装置を製造した。
下記の反応式2(化18)に示す方法に従い製造された実施例5〜6および比較例5〜6の高分子とC70−PCBMを1:3重量比で混合して光電変換層材料を製造し、これを用いた有機光起電力装置に対して行った電気光学的特性結果を下記表2に示す。
110…基板
120…第1の電極
130…バッファ層
140…光電変換層
150…第2の電極
Claims (11)
- 前記式中、0<n/(l+m+n)≦0.05であることを特徴とする請求項1に記載のカルバゾール含有伝導性高分子。
- 前記XまたはYのうちのいずれか一方がドナー単量体の構造であり、他方がアクセプター単量体構造であることを特徴とする請求項1に記載のカルバゾール含有伝導性高分子。
- 前記式中、0<n/(l+m+n)≦0.05であることを特徴とする請求項6に記載の光電変換材料。
- 前記式中、0<n/(l+m+n)≦0.05であることを特徴とする請求項8に記載の有機光起電力装置。
- 前記光電変換層が、一般式1(化1)で表される2,7−カルバゾール基含有伝導性高分子の電子供与体およびC60のフラーレン誘導体またはC70のフラーレン誘導体の電子受容体が1:0.5〜1:4の重量比で配合された光電変換物質からなることを特徴とする請求項8に記載の有機光起電力装置。
- 前記光電変換物質が、クロロベンゼン、1,2−ジクロロベンゼンおよびクロロホルムよりなる群から選ばれるいずれか1種の溶媒に固形分含量1.0〜3.0の重量%で含有されるように製造されることを特徴とする請求項8に記載の有機光起電力装置。
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JP2015509548A (ja) * | 2012-03-12 | 2015-03-30 | オーシャンズ キング ライティング サイエンス アンド テクノロジー シーオー.,エルティーディー | チオフェン−ベンゼン−チオフェン単位を含有するポリマー、その製造方法、および太陽電池デバイス |
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WO2010117158A3 (ko) | 2010-12-23 |
KR101102079B1 (ko) | 2012-01-04 |
DE112010001554T5 (de) | 2012-08-23 |
CN102405247A (zh) | 2012-04-04 |
US8519068B2 (en) | 2013-08-27 |
US20120018715A1 (en) | 2012-01-26 |
JP5085805B2 (ja) | 2012-11-28 |
CN102405247B (zh) | 2014-04-09 |
KR20100111767A (ko) | 2010-10-18 |
WO2010117158A2 (ko) | 2010-10-14 |
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