JP2005135800A - 光電変換電極及びこれを用いた光電変換素子 - Google Patents
光電変換電極及びこれを用いた光電変換素子 Download PDFInfo
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- JP2005135800A JP2005135800A JP2003371841A JP2003371841A JP2005135800A JP 2005135800 A JP2005135800 A JP 2005135800A JP 2003371841 A JP2003371841 A JP 2003371841A JP 2003371841 A JP2003371841 A JP 2003371841A JP 2005135800 A JP2005135800 A JP 2005135800A
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- photoelectric conversion
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/20—Light-sensitive devices
- H01G9/2027—Light-sensitive devices comprising an oxide semiconductor electrode
- H01G9/2031—Light-sensitive devices comprising an oxide semiconductor electrode comprising titanium oxide, e.g. TiO2
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/20—Light-sensitive devices
- H01G9/2059—Light-sensitive devices comprising an organic dye as the active light absorbing material, e.g. adsorbed on an electrode or dissolved in solution
-
- 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
- Y02E10/542—Dye sensitized solar cells
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Photovoltaic Devices (AREA)
- Cell Separators (AREA)
- Hybrid Cells (AREA)
Abstract
【解決手段】 光電変換電極は、光透過性導電性基材上に、少なくとも溶媒可溶型樹脂を含む高分子化合物と光半導体粒子とよりなる多孔質層を設けたものであって、上記多孔質層が溶媒可溶型樹脂の多孔質構造により形成されたものである。光電変換素子は、上記の光電変換電極と、対向電極と、それらの間に介在する電解質とから構成され、光電変換電極と対向電極の間にセパレータを設けるのが好ましい。
【選択図】 図1
Description
染料として、アシッド・レッド(Acid Red)87(東京化成社製)0.7g、エタノール200g、トリメチルアミン(試薬)0.1gをビーカーにて混合し、完全に染料が溶けたことを確認した後に、酸化亜鉛粒子(堺化学社製、Finex50)40gを投入し、超音波分散機にて、酸化亜鉛の二次粒子の解離を行いつつ染色を20分間行った。染色した酸化亜鉛粒子をブフナー漏斗にて分離した。エタノールの脱離が終わった後で、再度エタノールで洗浄した後に、酸化亜鉛粒子を回収し、次に真空乾燥機にて100℃加熱下で乾燥し、光半導体粒子を調製した。
N−メチルー2−ピロリドン(NMP)85gに対して、ポリフッ化ビニリデン樹脂(アトフィナ社製、カイナー301F)15g及び多孔質化に必要な貧溶媒であるエチレングリコール7gを投入し、常温にて攪拌しながら徐々に溶解し高分子化合物の溶液を得た。
上記1)で得られた光半導体粒子と2)で得られた高分子化合物の溶液とを、重量比で、光半導体粒子:高分子化合物=100:5となるように配合し、超音波分散機で30分間分散して、光半導体粒子含有塗料を得た。
ITOガラス基板(10×15×0.7tmm、10Ω/□)の導電面全面に、上記3)で得られた光半導体含有塗料をアプリケータを用いて塗工した。その後、5mm×5mmの面積を残してITOガラス基板の周囲4辺に残る塗料をふき取った。次いで80℃にて60分間乾燥して、多孔質光半導体層を形成し、本発明の光電変換電極を得た。
上記4)で得られた光電変換電極面の周囲に、厚さ300μmのポリフッ化エチレン製シートからなるスペーサーフィルムを配置し、次いでそのスペーサーフィルムの上に対向電極として白金板を配して重ね、次いで両電極間の隙間に電解液(ヨウ化テトラプロピルアンモニウム0.5mol/dm3とヨウ素0.05mol/dm3のアセトニトリル溶液からなる)を隙間を満たす量だけ注入して、本発明の光電変換素子を得た。変換効率ηを測定したところ、η=1.51%であった。
1)ポリフッ化ビニリデン樹脂(カイナー301F、アトフィナ社製)100gをNMP900g中に投入し、常温にて攪拌して上記樹脂の溶液を得た。
Claims (15)
- 光透過性導電性基材上に、少なくとも溶媒可溶型樹脂を含む高分子化合物と光半導体粒子とよりなる多孔質層を設けてなり、該多孔質層が溶媒可溶型樹脂の多孔質構造により形成されたものであることを特徴とする光電変換電極。
- 高分子化合物が溶媒非可溶型樹脂を含有することを特徴とする請求項1記載の光電変換電極。
- 高分子化合物の一部または全部が電解液に対して不溶であり、固形またはゲルの性状を保持することを特徴とする請求項1記載の光電変換電極。
- 溶媒可溶型樹脂が、ポリフッ化ビニリデン樹脂、フッ化ビニリデン共重合体樹脂またはこれらの混合物からなることを特徴とする請求項1記載の光電変換電極。
- 光半導体粒子が少なくとも金属化合物粒子と染料とよりなることを特徴とする請求項1記載の光電変換電極。
- 金属化合物粒子が少なくとも金属酸化物粒子を含むことを特徴とする請求項5記載の光電変換電極。
- 金属酸化物粒子が、酸化亜鉛および酸化チタンから選択される1種以上であることを特徴とする請求項6記載の光電変換電極。
- 染料が、分子構造中にカルボキシル基、スルホン基、水酸基およびニトロ基のうちから選択される少なくとも1種類の極性基を含有することを特徴とする請求項5記載の光電変換電極。
- 光透過性導電性基材が、高分子基材よりなることを特徴とする請求項1記載の光電変換電極。
- 高分子基材がフレキシブル性を有することを特徴とする請求項9記載の光電変換電極。
- 少なくとも請求項1〜10のいずれかに記載の光電変換電極と、これに対向する対向電極と、該光電変換電極および対向電極の間に介在する電解質とからなることを特徴とする光電変換素子。
- 光電変換電極と対向電極との間にセパレータを設けたことを特徴とする請求項11記載の光電変換素子。
- セパレータが電解液に対して実質上不溶の不織布または多孔質膜からなるか、電解液により膨潤する高分子電解質であるか、またはこれらの複合体であることを特徴とする請求項12記載の光電変換素子。
- 不織布、多孔質膜または高分子電解質が、フッ素系樹脂、ポリオレフィン系樹脂、アクリロニトリル系樹脂、ポリエチレンオキサイド系樹脂、アクリル系樹脂、ポリスルホン系樹脂、エポキシ系樹脂、ポリエステル樹脂の少なくとも一つまたはこれらの複合体よりなることを特徴とする請求項13記載の光電変換素子。
- フッ素系樹脂が、ポリフッ化ビニリデン樹脂、フッ化ビニリデン共重合体樹脂またはこれらの混合物からなることを特徴とする請求項14記載の光電変換素子。
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2005197169A (ja) * | 2004-01-09 | 2005-07-21 | Tomoegawa Paper Co Ltd | 光電変換素子 |
JP2012243436A (ja) * | 2011-05-17 | 2012-12-10 | Sony Corp | 光電変換素子およびその製造方法ならびに電子機器 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2005197169A (ja) * | 2004-01-09 | 2005-07-21 | Tomoegawa Paper Co Ltd | 光電変換素子 |
JP4636802B2 (ja) * | 2004-01-09 | 2011-02-23 | 株式会社巴川製紙所 | 光電変換素子 |
JP2012243436A (ja) * | 2011-05-17 | 2012-12-10 | Sony Corp | 光電変換素子およびその製造方法ならびに電子機器 |
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