JP5359173B2 - 光起電力素子用電子供与性有機材料、光起電力素子用材料および光起電力素子 - Google Patents
光起電力素子用電子供与性有機材料、光起電力素子用材料および光起電力素子 Download PDFInfo
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- JP5359173B2 JP5359173B2 JP2008264882A JP2008264882A JP5359173B2 JP 5359173 B2 JP5359173 B2 JP 5359173B2 JP 2008264882 A JP2008264882 A JP 2008264882A JP 2008264882 A JP2008264882 A JP 2008264882A JP 5359173 B2 JP5359173 B2 JP 5359173B2
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- 239000011368 organic material Substances 0.000 title claims abstract description 55
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- 125000003545 alkoxy group Chemical group 0.000 claims abstract description 6
- 150000002431 hydrogen Chemical class 0.000 claims abstract description 4
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- 238000006243 chemical reaction Methods 0.000 abstract description 31
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- 125000003187 heptyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
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- 125000002883 imidazolyl group Chemical group 0.000 description 1
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- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
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- 229940040692 lithium hydroxide monohydrate Drugs 0.000 description 1
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- 239000011777 magnesium Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
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- 230000015654 memory Effects 0.000 description 1
- 229910001512 metal fluoride Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 125000001624 naphthyl group Chemical group 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 125000001400 nonyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
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- 125000005561 phenanthryl group Chemical group 0.000 description 1
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N phenylbenzene Natural products C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 1
- FVZVCSNXTFCBQU-UHFFFAOYSA-N phosphanyl Chemical group [PH2] FVZVCSNXTFCBQU-UHFFFAOYSA-N 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920001197 polyacetylene Polymers 0.000 description 1
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- 229920000515 polycarbonate Polymers 0.000 description 1
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- 125000000714 pyrimidinyl group Chemical group 0.000 description 1
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- 125000002943 quinolinyl group Chemical group N1=C(C=CC2=CC=CC=C12)* 0.000 description 1
- 125000001567 quinoxalinyl group Chemical group N1=C(C=NC2=CC=CC=C12)* 0.000 description 1
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- 229910052709 silver Inorganic materials 0.000 description 1
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- ARYHTUPFQTUBBG-UHFFFAOYSA-N thiophen-2-ylboronic acid Chemical class OB(O)C1=CC=CS1 ARYHTUPFQTUBBG-UHFFFAOYSA-N 0.000 description 1
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- 125000002948 undecyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
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- 229910052725 zinc Inorganic materials 0.000 description 1
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- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/549—Organic PV cells
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- Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
- Photovoltaic Devices (AREA)
Description
J.J.M.Halls、C.A.Walsh、N.C.Greenham、E.A.Marseglla、R.H.Frirnd、S.C.Moratti、A.B.Homes著、「ネイチャー(Nature)」、1995年、376号、498頁 E.Kymakis、G.A.J.Amaratunga著、「アプライド フィジクス レターズ(Applied Physics Letters)」(米国)、2002年、80巻、112頁 G.Yu、J.Gao、J.C.Hummelen、F.Wudl、A.J.Heeger著、「サイエンス(Science)」、1995年、270巻、1789頁 E.Bundgaard、F.C.Krebs著、「ソーラー エナジー マテリアルズ アンド ソーラー セル(Solar Energy Materials & Solar Cells)」、2007年、91巻、954頁 X.Li、W.Zeng、Y.Zhang、Q.Hou、W.Yang、Y.Cao著、「ヨーロピアン ポリマー ジャーナル(European Polymer Journal)」、2005年、41巻、2923頁 E.Lim、B.Jung、H.Shim著、「ジャーナル オブ ポリマー サイエンス パートA ポリマー ケミストリー(Journal of Polymer Science:Part A:Polymer Chemistry)」、2006年、44巻、243頁
ITO:インジウム錫酸化物
PEDOT:ポリエチレンジオキシチオフェン
PSS:ポリスチレンスルホネート
PC70BM:フェニル C71 ブチリックアシッドメチルエステル
なお、1H−NMR測定にはFT−NMR装置((株)日本電子製JEOL JNM−EX270)を用いた。
化合物A−1を式1に示す方法で合成した。
1H−NMR(CDCl2,ppm):8.01(s,2H)、7.85(s,2H)、7.37(s,2H)、7.24(m,4H)、6.97(d,2H)、2.92−2.78(m,8H)、1.83−1.28(m,24H)、0.90(m,12H)。
化合物A−2を式2に示す方法で合成した。
1H−NMR(CDCl2,ppm):8.02(s,2H)、7.84(s,2H)、7.37(s,2H)、7.24(m,4H)、6.97(d,2H)、2.90(t,4H)、2.82(t,4H)、1.80−1.37(m,16H)、0.99(t,6H)、0.95(t,6H)。
化合物A−3を式3に示す方法で合成した。
化合物A−4を式4に示す方法で合成した。
上記A−1 1mgとPC70BM(サイエンスラボラトリーズ社製)4mgをクロロベンゼン0.25mlの入ったサンプル瓶の中に加え、超音波洗浄機((株)井内盛栄堂製US−2(商品名)、出力120W)中で30分間超音波照射することにより溶液Aを得た。
フィルファクター=JVmax/(短絡電流密度×開放電圧)
(ここで、JVmaxは、印加電圧が0Vから開放電圧値の間で電流密度と印加電圧の積が最大となる点における電流密度と印加電圧の積の値である。)
光電変換効率=[(短絡電流密度×開放電圧×フィルファクター)/擬似太陽光強度(100mW/cm2)]×100(%)
以下の実施例と比較例におけるフィルファクターと光電変換効率も全て上式により算出した。
A−1の代わりに上記A−2を用いた他は実施例1と全く同様にして光起電力素子を作製し、電流−電圧特性を測定した。この時の短絡電流密度は6.18mA/cm2、開放電圧は0.89V、フィルファクター(FF)は0.3であり、これらの値から算出した光電変換効率は1.65%であった。
A−1の代わりに上記A−3を用いた他は実施例1と全く同様にして光起電力素子を作製し、電流−電圧特性を測定した。この時の短絡電流密度は5.66mA/cm2、開放電圧は0.80V、フィルファクター(FF)は0.353であり、これらの値から算出した光電変換効率は1.60%であった。
A−1の代わりに上記A−4を用いた他は実施例1と全く同様にして光起電力素子を作製し、電流−電圧特性を測定した。この時の短絡電流密度は5.18mA/cm2、開放電圧は0.67V、フィルファクター(FF)は0.436であり、これらの値から算出した光電変換効率は1.51%であった。
A−1の代わりに下記B−1(n=4.5)を用いた他は実施例1と全く同様にして光起電力素子を作製し、電流−電圧特性を測定した。この時の短絡電流密度は3.57mA/cm2、開放電圧は0.9V、フィルファクター(FF)は0.28であり、これらの値から算出した光電変換効率は0.9%であった。
A−1の代わりに下記B−2(n=12)を用いた他は実施例1と全く同様にして光起電力素子を作製し、電流−電圧特性を測定した。この時の短絡電流密度は4.23mA/cm2、開放電圧は0.4V、フィルファクター(FF)は0.28であり、これらの値から算出した光電変換効率は0.47%であった。
A−1の代わりに下記ランダムコポリマーB−3(n/m=30/70、数平均分子量2200)を用いた他は実施例1と全く同様にして光起電力素子を作製し、電流−電圧特性を測定した。この時の短絡電流密度は2.3mA/cm2、開放電圧は0.65V、フィルファクター(FF)は0.28であり、これらの値から算出した光電変換効率は0.39%であった。
A−1の代わりに下記ポリマーB−4(n=5.6)を用いた他は実施例1と全く同様にして光起電力素子を作製し、電流−電圧特性を測定した。この時の短絡電流密度は3.24mA/cm2、開放電圧は0.6V、フィルファクター(FF)は0.32であり、これらの値から算出した光電変換効率は0.62%であった。
2 正極
3 有機半導体層
4 負極
5 (a)一般式(1)で表されるベンゾチアジアゾール化合物を有する層
6 (b)電子受容性有機材料を有する層
Claims (4)
- 電子受容性有機材料および請求項1記載の光起電力素子用電子供与性有機材料を含む光起電力素子用材料。
- 電子受容性有機材料がフラーレン化合物である請求項2記載の光起電力素子用材料。
- 少なくとも正極と負極を有する光起電力素子であって、負極と正極の間に請求項2〜3のいずれかに記載の光起電力素子用材料を含む光起電力素子。
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EP2652004A2 (en) * | 2010-12-15 | 2013-10-23 | Plextronics, Inc. | Fluoro monomers, oligomers, and polymers for inks and organic electronic devices |
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WO2013061909A1 (ja) | 2011-10-24 | 2013-05-02 | 株式会社Adeka | ビベンゾ[b]フラン化合物、光電変換材料及び光電変換素子 |
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