JPS629228A - Photoelectric conversion device - Google Patents
Photoelectric conversion deviceInfo
- Publication number
- JPS629228A JPS629228A JP60148912A JP14891285A JPS629228A JP S629228 A JPS629228 A JP S629228A JP 60148912 A JP60148912 A JP 60148912A JP 14891285 A JP14891285 A JP 14891285A JP S629228 A JPS629228 A JP S629228A
- Authority
- JP
- Japan
- Prior art keywords
- photosensitive
- photoelectric conversion
- conversion device
- ion diaphragm
- electrode
- Prior art date
- 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.)
- Pending
Links
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
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は、光セン９や光電池等に利用可能な光電変換装
置ｄに関し、特に、生体類似太陽電池あるいは生体類似
光センサに関するものである。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a photoelectric conversion device d that can be used as an optical sensor 9, a photovoltaic cell, etc., and particularly relates to a biosimilar solar cell or a biosimilar optical sensor.
従来の技術
従来、光電変換装置としては、半導体を用いた太陽電池
や光センサがよく知られている。2. Description of the Related Art Conventionally, solar cells and optical sensors using semiconductors are well known as photoelectric conversion devices.
発明が解決しようとする問題点
しかしながら、このような半導体を用いた光電変換装置
では、変換効率が悪く、最も良いもので２０％程度、実
用的には１０％前後のものが一般的に用いられているの
が現状である。このように効率が悪いことの原因は、半
導体のＰＮ接合やＰＩＮ接合を用いた場合、１０００ホ
トンで１工レクトロン程度の変換効率しか得られないこ
とにある。Problems to be Solved by the Invention However, photoelectric conversion devices using such semiconductors have poor conversion efficiency, with the best conversion efficiency being around 20%, and in practice, around 10% is generally used. The current situation is that The reason for this poor efficiency is that when a semiconductor PN junction or PIN junction is used, a conversion efficiency of only about 1 engineering lectron can be obtained for 1000 photons.
水元１ｊは上記従来の内題点を解消するもので、高効率
に光エネルギーから電気エネルギーを取り出すことので
きる光電変換装置を提供することを目的とする。Mizumoto 1j solves the above-mentioned conventional problems, and aims to provide a photoelectric conversion device that can extract electrical energy from light energy with high efficiency.
問題点を解決するための手段
上記問題点を解決するため、本発明の光電変換装置は、
光感応性イオン隔膜と、この光感応性イオン隔膜の一方
の面に対向する電極と、前記光感応性イオン隔膜の他方
の面に対向する空気電極と、少なくとも前記電極と光感
応性イオン隔膜との間及び前記空気電極と光感応性イオ
ン隔膜との間に充填された電解物質とを備えた構成とし
たものである。Means for Solving the Problems In order to solve the above problems, the photoelectric conversion device of the present invention includes:
a photosensitive ion diaphragm; an electrode facing one side of the photosensitive ion diaphragm; an air electrode facing the other side of the photosensitive ion diaphragm; and at least the electrode and the photosensitive ion diaphragm. The electrolytic material is filled between the air electrode and the photosensitive ion diaphragm.
作用
上記構成によれば、光が照射されると、特定のイオンの
みを透過させ、かつ前記イオンを分離した状態に保つこ
とができる光感応性イオン隔膜を用い、この光感応性イ
オン隔膜の表裏に発生する電位差を、電解５Ｉ！Ｊ質と
電極及び空気電極とを介して電気エネルギーとして取り
外すことができる。Effects According to the above structure, when irradiated with light, a photosensitive ion diaphragm is used that allows only specific ions to pass through and keeps the ions separated. The potential difference generated in the electrolytic 5I! It can be removed as electrical energy via the J-type electrode and the air electrode.
実施例 以下、本発明の一実施例を図面に基づいて説明する。Example Hereinafter, one embodiment of the present invention will be described based on the drawings.
図面は本発明の一実施例における光電変換装置の説明図
で、１は電解物質、２は光感応性イオン隔膜、３は空気
電極、４は電極、５は単分子超薄膜、６はセルロースフ
ィルタ、７はランプである。The drawing is an explanatory diagram of a photoelectric conversion device according to an embodiment of the present invention, in which 1 is an electrolyte, 2 is a photosensitive ion diaphragm, 3 is an air electrode, 4 is an electrode, 5 is a monomolecular ultra-thin film, and 6 is a cellulose filter. , 7 is a lamp.
この光電変換￥装置は、Ｔｉ電解物質を介して、光感応
性イオン隔１１２を、空気電極３と透明あるいはグ、ッ
ド状の電極４とで挟むように設置し、透明またはグリッ
ド状の電極４より矢印（Ａ）で示す光を入射させること
が可能な構成とされている。In this photoelectric conversion device, a photosensitive ion barrier 112 is sandwiched between an air electrode 3 and a transparent or grid-shaped electrode 4 through a Ti electrolyte. 4, the structure is such that the light shown by the arrow (A) can be incident thereon.
そして光感応性イオン隔ｊｌ ２は、光が照射されると
、電解物質１中の１−トイオンのみを透過させ、かつＨ
′イオンを分離した状態に保つ。したがって、光感応性
イオン隔膜２の表裏に電位差が発生し、電極４と空気電
極３とに接続されたランプ７が点灯する。１−ビイオン
は、空気電極３で空気中の０２と結合し、Ｈ２０となる
。When the photosensitive ion gap jl 2 is irradiated with light, it allows only the 1-to ions in the electrolyte 1 to pass through and H
'Keep the ions separated. Therefore, a potential difference is generated between the front and back sides of the photosensitive ion diaphragm 2, and the lamp 7 connected to the electrode 4 and the air electrode 3 is turned on. The 1-biion combines with 02 in the air at the air electrode 3 to become H20.
前記電解物質１は、電解質を含んだ液状あるいはゲル状
のものであって、前記電解質としては、１−Ｉ ＣＵや
ｌ−Ｉ Ｎ Ｏ３などの酸でもよいが、有毒ガスを出さ
ないＨ２８０４やｆ−ｈＰｏ＜などの酸が好ましい。ま
た前記光感応性イオン隔膜２は、光を吸収してプロトン
を発生する光感応性生体物質（例えば、バクテリオロド
プシンなどの光感応性タンパク質等）を脂質に混ぜて、
セルロース・フィルタ上に薄く塗布する方法、あるいは
ラングシュア・プロジェット法（ＬＢ法）を用いて、脂
質単分子膜中に光感性生体物質が分散して並んだ単分子
層ｉ＃ｓ５をセルロースフィルタ６上に形成する方法を
用いることにＪ、り構成されており、これにより、イオ
ンチャンネルｔ１催と光・イオン変換機能とを協えたも
のが得られる。なお、バクテリオロドプシンを用いる場
合には、脂質単分子膜中に分散した形でなくても、バク
テリオロドプシンそのものをヘキサンなどに溶かし、Ｌ
Ｂ法で、セルロースフィルタ上へ単分子膜として形成で
きるので、面全体を光イオン変換膜とすることが可能で
あり、非常に効率の良い光感応性プロトン隔膜が得られ
る。また、バクテリオロドプシンあるいはそのｔｆｔ導
体中のレヂナールを、レヂナール類似物質で置換したも
のを用いることにより、紫外光から可視光域まで吸収領
域を変化させることが可能なので、種々の吸収域を持つ
レチナール類似物質ｇ！ｆ換バクプリオロトプシンを混
合して用いることにより、さらに高効率の光電変換が期
待される。The electrolyte 1 is a liquid or gel containing an electrolyte, and the electrolyte may be an acid such as 1-I CU or 1-I N O3, but it may also be an acid such as H2804 or f, which does not emit toxic gas. Acids such as -hPo< are preferred. The photosensitive ion diaphragm 2 is made by mixing a photosensitive biological substance (for example, a photosensitive protein such as bacteriorhodopsin) that absorbs light and generates protons with lipid.
A monomolecular layer i#s5 in which photosensitive biological substances are dispersed and lined up in a lipid monolayer is coated on a cellulose filter 6 using a thin coating method on a cellulose filter or the Langsure-Projet method (LB method). By using the method described above, it is possible to obtain a device that combines the ion channel t1 operation and the light/ion conversion function. In addition, when using bacteriorhodopsin, even if it is not dispersed in a lipid monolayer, bacteriorhodopsin itself can be dissolved in hexane or the like, and L
By method B, it can be formed as a monomolecular film on a cellulose filter, so the entire surface can be used as a photoion conversion film, and a highly efficient photosensitive proton diaphragm can be obtained. In addition, by using bacteriorhodopsin or its TFT conductor in which rezinal is replaced with rezinal-like substances, it is possible to change the absorption region from ultraviolet light to visible light. Substance g! By using a mixture of f-converted bacpriolotopsin, even more efficient photoelectric conversion is expected.
このように本実施例によれば、人間の目と同じ種類の光
感応性タンパク質を光電変換膜に用いたので、変換効率
が非常に高く、はぼ１ホトンで１プロトンを発生させる
ことが可能であり、従来にない高効率の光電池や、高感
度の光センサーとして利用することが可能である。また
、光感応性タンパク質として、バクテリオロドプシンを
用いる場合には、へ〇バクテリアの培養により高純度に
しかも大量生産が可能なこと、さらに、バクテリオロド
プシンが安定であることより、産業上非常に有益なもの
となる。また、バクテリオロドプシンまたはバクテリオ
ロドプシンを含む脂質単分子膜を光感応性イオン隔膜２
として用いることにより、光−１０トンの変換効率が良
く、しかもイオン分離効率の優れた、光電池あるいは光
センサを作成できる。また、バクテリオロドプシン中の
レチナールを、他のレチナール類似物質と置換すること
により、感光波長を制御することも可能である。According to this example, since the same type of photosensitive protein as the human eye is used in the photoelectric conversion film, the conversion efficiency is extremely high, and it is possible to generate one proton with one photon. Therefore, it can be used as an unprecedentedly highly efficient photovoltaic cell or a highly sensitive optical sensor. In addition, when bacteriorhodopsin is used as a photosensitive protein, it is highly purified and can be produced in large quantities by culturing bacteria, and bacteriorhodopsin is stable, making it extremely useful industrially. Become something. In addition, bacteriorhodopsin or a lipid monolayer containing bacteriorhodopsin is added to the photosensitive ion diaphragm 2.
By using it as a photovoltaic cell, a photovoltaic cell or a photosensor can be created which has a good conversion efficiency of -10 tons of light and an excellent ion separation efficiency. It is also possible to control the photosensitive wavelength by replacing retinal in bacteriorhodopsin with another retinal-like substance.
発明の効果
以上述べたごとく本発明によれば、光が照射されると、
電解物質中の特定のイオンのみを透過させ、かつそのイ
オンを分離した状態に保つ光感応性イオン隔膜を用いた
ので、効率良く光エネルギーを電気エネルギーに変換で
きる。Effects of the Invention As described above, according to the present invention, when light is irradiated,
By using a photosensitive ion diaphragm that allows only specific ions in the electrolyte to pass through and keeps the ions separated, it is possible to efficiently convert light energy into electrical energy.
図面は本発明の一実施例にお１ノる光電変換装置の説明
図である。
１・・・電解物質、２・・・光感応性イオン隔膜、３・
・・空気電極、４・・・電極The drawing is an explanatory diagram of a photoelectric conversion device according to an embodiment of the present invention. 1... Electrolyte, 2... Photosensitive ion diaphragm, 3...
...air electrode, 4...electrode
Claims (1)
一方の面に対向する電極と、前記光感応性イオン隔膜の
他方の面に対向する空気電極と、少なくとも前記電極と
光感応性イオン隔膜との間及び前記空気電極と光感応性
イオン隔膜との間に充填された電解物質とを備えた光電
変換装置。 ２、光感応性イオン隔膜が、光感応性タンパク質で構成
されている特許請求の範囲第１項記載の光電変換装置。 ３、光感応性イオン隔膜が、光感応性タンパク質を含む
単分子膜で構成されている特許請求の範囲第１項記載の
光電変換装置。 ４、光感応性タンパク質は、バクテリオロドプシンであ
る特許請求の範囲第２項または第３項記載の光電変換装
置。 ５、光感応性タンパク質は、バクテリオロドプシンの誘
導体である特許請求の範囲第２項または第３項記載の光
電変換装置。 ６、バクテリオロドプシン中のレチナールがレチナール
類似物質で置換されている特許請求の範囲第４項記載の
光電変換装置。 ７、バクテリオロドプシンの誘導体中のレチナールがレ
チナール類似物質で置換されている特許請求の範囲第５
項記載の光電変換装置。 ８、電解物質は、酸を含んだ溶液である特許請求の範囲
第１項ないし第７項のいずれかに記載の光電変換装置。 ９、電解物質は、酸を含んだゲルである特許請求の範囲
第１項ないし第７項のいずれかに記載の光電変換装置。[Scope of Claims] 1. A photosensitive ion diaphragm, an electrode facing one surface of the photosensitive ion diaphragm, an air electrode facing the other surface of the photosensitive ion diaphragm, and at least the A photoelectric conversion device comprising an electrolyte filled between an electrode and a photosensitive ion diaphragm and between the air electrode and the photosensitive ion diaphragm. 2. The photoelectric conversion device according to claim 1, wherein the photosensitive ion diaphragm is composed of a photosensitive protein. 3. The photoelectric conversion device according to claim 1, wherein the photosensitive ion diaphragm is composed of a monomolecular film containing a photosensitive protein. 4. The photoelectric conversion device according to claim 2 or 3, wherein the photosensitive protein is bacteriorhodopsin. 5. The photoelectric conversion device according to claim 2 or 3, wherein the photosensitive protein is a derivative of bacteriorhodopsin. 6. The photoelectric conversion device according to claim 4, wherein retinal in bacteriorhodopsin is replaced with a retinal-like substance. 7. Claim 5 in which retinal in the derivative of bacteriorhodopsin is replaced with a retinal analogue.
The photoelectric conversion device described in . 8. The photoelectric conversion device according to any one of claims 1 to 7, wherein the electrolyte is a solution containing an acid. 9. The photoelectric conversion device according to any one of claims 1 to 7, wherein the electrolyte is a gel containing an acid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60148912A JPS629228A (en) | 1985-07-05 | 1985-07-05 | Photoelectric conversion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60148912A JPS629228A (en) | 1985-07-05 | 1985-07-05 | Photoelectric conversion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS629228A true JPS629228A (en) | 1987-01-17 |
Family
ID=15463434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60148912A Pending JPS629228A (en) | 1985-07-05 | 1985-07-05 | Photoelectric conversion device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS629228A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008522428A (en) * | 2004-12-02 | 2008-06-26 | ザ、トラスティーズ オブ プリンストン ユニバーシティ | Solid state photosensitive device using isolated photosynthetic composite |
-
1985
- 1985-07-05 JP JP60148912A patent/JPS629228A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008522428A (en) * | 2004-12-02 | 2008-06-26 | ザ、トラスティーズ オブ プリンストン ユニバーシティ | Solid state photosensitive device using isolated photosynthetic composite |
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