WO2004022479A1 - 機能性分子含有ナノチャンネル構造体とその薄膜 - Google Patents
機能性分子含有ナノチャンネル構造体とその薄膜 Download PDFInfo
- Publication number
- WO2004022479A1 WO2004022479A1 PCT/JP2003/011386 JP0311386W WO2004022479A1 WO 2004022479 A1 WO2004022479 A1 WO 2004022479A1 JP 0311386 W JP0311386 W JP 0311386W WO 2004022479 A1 WO2004022479 A1 WO 2004022479A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- nanochannel
- functional molecule
- functional
- thin film
- molecule
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0093—Microreactors, e.g. miniaturised or microfabricated reactors
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B37/00—Compounds having molecular sieve properties but not having base-exchange properties
- C01B37/02—Crystalline silica-polymorphs, e.g. silicalites dealuminated aluminosilicate zeolites
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00781—Aspects relating to microreactors
- B01J2219/00819—Materials of construction
- B01J2219/00835—Comprising catalytically active material
Definitions
- the invention of this application relates to a nanochannel structure containing a functional molecule and a method for producing the same. More specifically, the invention of this application is used as an analysis chip (device) or sensor for biochemical analysis, trace component analysis, etc., or as a microreactor, etc., for medical, sanitary, industrial, agricultural, environmental evaluation, etc.
- Functional molecules useful in a wide range of applications. New functional structures contained in nanometer-sized pores (nanochannels) and methods for their production. Background art
- the invention of this application was made in view of the above-mentioned circumstances, and a substance having pores of a nanometer size has a hydrophobic property given by the presence of a surfactant used in the production process.
- the challenge is to provide new technological means that enable development as a functional material, focusing on the field. Disclosure of the invention
- the invention of this application solves the above problems.Firstly, in a nanochannel body in which an oxide layer includes a surfactant micelle, a functional molecule is contained in the nanochannel. And a nanochannel structure containing a functional molecule.
- the oxide layer is a nanochannel structure containing functional molecules characterized by being mainly composed of silicon oxide.
- the functional molecules are chelate molecules.
- the functional molecule-containing nanochannel structure is characterized in that any one of the above nanochannel structures is disposed in a film on a solid substrate.
- the present invention provides a functional molecule-containing nanochannel thin film in which a nanochannel structure is three-dimensionally deposited on a solid substrate in a multilayer manner.
- a nano-channel body in which an oxide layer includes surfactant micelles is formed by heating an oxide-forming alkoxide compound and a surfactant-containing acidic alcohol aqueous solution. Then, A method for producing a nanochannel structure containing a functional molecule, characterized by impregnating a functional molecule into a channel body, is provided.Seventh, a nanochannel body is formed on the surface by heating on a solid substrate. And then impregnating the functional molecules in the nanochannels. A method for producing a nanochannel thin film containing functional molecules is provided. BRIEF DESCRIPTION OF THE FIGURES
- FIG. 1 is a diagram illustrating the result of X-ray diffraction of a thin film of a nanochannel structure in an example.
- FIG. 2 is a diagram showing a transmission electron microscope image of the powder sample.
- FIG. 3 is a diagram schematically showing a nanochannel structure thin film.
- FIG. 4 is a diagram illustrating the relationship between the TEOS content and the film thickness in the example.
- FIG. 5 is a diagram showing the molecular structure of pyrene.
- FIG. 6 is a diagram illustrating the fluorescence spectrum of pyrene captured in a thin film in relation to the pyrene concentration.
- FIG. 7 is a diagram illustrating the pyrene concentration dependency of the thin-film fluorescence intensity.
- FIG. 8 is a diagram exemplifying pyrene collected in a nanochannel and a light emission spectrum of pyrene in a black hole form.
- FIG. 9 is a diagram showing the molecular structure of 8-quinolino-l-5-2 sulfonic acid (Q s).
- FIG. 10 is a diagram exemplifying fluorescent spectra of Q s collected in nanochannels from aqueous solutions having different concentrations.
- FIG. 11 is a diagram illustrating the Qs concentration dependency of the thin-film fluorescence intensity.
- FIG. 12 is a diagram illustrating the effect of suppressing the elution of surfactant micelles by the addition of MPS as a hydrophobizing agent, as a time variation of the frequency in a quartz oscillator.
- the oxide layer contains surfactant micelles and holds the inside of the nanochannel as a hydrophobic field.
- various functional molecules are contained in this hydrophobic field.
- the nanochannel structure is formed by heating or drying the oxide layer from the oxide-forming alkoxide compound as a raw material and the surfactant-containing acid alcohol as described above. It can be produced so as to contain the micelles. If the raw material concentration of the above solution is relatively low, micelles are formed in the process of evaporating to dryness, and they become ⁇ -shaped to form a nanochannel structure. On the other hand, when the raw material concentration is high, the raw material and the like are melted under high temperature and pressure, and a nanochannel structure is formed in the process.
- various oxide-forming alkoxide compounds may be used as long as they form an oxide layer of a nanochannel structure.
- a silicon alkoxide compound is typically used to form a silicon oxide layer.
- Alkoxides can be considered.
- surfactants may be considered for use with these alkoxide compounds.
- typical examples include a quaternary ammonium salt type surfactant as an ionic surfactant. .
- a sulfonic acid type is also included.
- Polyether nonionic surfactant It may be a sexual agent.
- one of the preferable ones is a cationic quaternary ammonium salt type.
- the ratio of the alkoxide compound and the surfactant used differs depending on the types of the two, and is not particularly limited. Generally, the molar ratio of the surfactant to the alkoxide compound is 0.01. ⁇ 0.5 can be used as a guide.
- the alkoxide compound and the surfactant are mixed in an acidic aqueous solution and heated.
- the heating temperature at this time can be up to the reflux temperature.
- Hydrochloric acid, sulfuric acid, or an organic acid can be mixed to obtain acidic conditions.
- an alcohol such as ethanol, propanol, and methanol having a low boiling point coexist in the aqueous solution.
- the solution may be spread on a solid substrate, or the solution may be heated on the solid substrate.
- a thin nanochannel structure as schematically shown in Fig. 3 can be obtained.
- This can be called a thin film.
- various solid substrates may be used.
- the substrate may be a ceramic substrate such as a myriki-alumina or a substrate made of a metal or an organic polymer.
- the nanochannel structure can be made into nanoparticulate ultrafine particles.
- a nanochannel structure that contains surfactant micelles in an oxide layer that can be produced by the above process next, impregnating the micelles, that is, nanochannels, with functional molecules It can be done. This impregnation can be easily performed by using a solution of a functional molecule.
- the functional molecule may be of various types.
- various types of molecules such as luminescent molecules, chelating molecules, and bioreactive molecules are considered.
- it may be a macromolecule such as DNA, protein and enzyme or a biological substance.
- the nanomolecule containing functional molecule according to the invention of this application Yannel structures provide useful materials that have not been previously known.
- the invention of this application also provides a method for maintaining the hydrophobicity of the nanochannel structure. That is, when the nanochannel structure is immersed in water or an aqueous solution, part of the surfactant micelles contained in the nanochannel (pores) is eluted in the water or aqueous solution, and the hydrophobicity in the nanochannel is reduced. May decrease over time. Therefore, in such a case, the inner wall of the nanochannel is subjected to hydrophobic treatment in advance, and the hydrophobic interaction between the surfactant micelle and the inner wall is increased, so that the surfactant micelle can be introduced into water or an aqueous solution. Try to reduce elution. '
- a hydrophobizing agent in consideration of the affinity with the nanochannel body or the like can be used.
- an appropriate silane coupling agent more specifically, a silane coupling agent having a mercaptopropyl group is considered as a suitable one.
- the conditions for such a hydrophobic treatment may be appropriately selected experimentally.
- the hydrophobic treatment agent is added and contained together with a surfactant at the time of forming the nanochannel body. Is considered.
- the addition ratio of the alkoxide compound and the surfactant for forming the nanochannel body is, for example, a hydrophobizing agent such as a silane coupling agent in a molar ratio of 0.3 to 1.2 times the former, It is considered that the molar ratio to the latter is about 3 to 20 times.
- a silica-surfactant composite thin film having a nanometer-sized pore (nanochannel) structure was prepared using the surface-active molecular assembly (micelle) as a triangle according to the following procedure.
- various functional molecules were collected from the aqueous solution into the nanochannel by utilizing the hydrophobic environment of micelles in the nanochannel. This makes it possible to easily give a new function to the thin film.
- CTAB Cetyltrimethylammonium bromide
- the thin film solution 3 50 jiiL obtained by the above preparation is dropped on a washed and dried glass substrate.
- Fig. 1 shows the results of X-ray diffraction of the thin film obtained by the above process
- Fig. 2 shows a transmission electron micrograph of the powder sample.
- 20 has a clear peak at about 2.0, indicating that a nanometer-order periodic structure was formed in the thin film.
- the distance between adjacent channels is calculated to be 4.15 nm from these 20 values.
- the thickness of the silica wall is 1 nm
- the channel pore diameter can be estimated to be about 3 nm.
- Simultaneous measurement of X-ray diffraction and differential scanning calorimetry confirmed that surface-active molecules existed in the channel up to 30 O: and there was no significant change in the microscopic ordered structure.
- pyrene which is known as a fluorescent functional molecule
- Fig. 5 Pyrene aqueous solutions having different concentrations were prepared, and the thin film was immersed for 20 minutes. After air drying, the fluorescence from the thin film was measured with a fluorimeter. The results are shown in FIGS. It can be seen that the fluorescence intensity increases as the pyrene concentration in the aqueous solution increases to 0.1, 0.5, 1.0, 2.0 M. As shown in Fig. 8, the fluorescence vector (solid line) of pyrene trapped in the nanochannel is called the fluorescence spectrum (dotted line) in the pore-form solution.
- MPS (3-mercaptoprovir trimethoxysilane) was added to the thin film forming solution at the following ratio.
- the hydrophobic field in the nanochannel pores collapses, and the amount of functional molecules collected is reduced.
- the hydrophobic field in the pores is reduced. It can be maintained.
- the molar ratio to TEOS should be 0.5 or more, and the molar ratio to CTAB should be 5 times or more. Has been confirmed.
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Silicon Compounds (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/526,394 US20050205844A1 (en) | 2002-09-05 | 2003-09-05 | Nanochannel structure containing functional molecule and thin film thereof |
EP03794265A EP1541523A4 (en) | 2002-09-05 | 2003-09-05 | NANOCANAL STRUCTURE CONTAINING FUNCTIONAL MOLECULES AND THIN LAYER HAVING THE STRUCTURE |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002-260500 | 2002-09-05 | ||
JP2002260500 | 2002-09-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004022479A1 true WO2004022479A1 (ja) | 2004-03-18 |
Family
ID=31973098
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/011386 WO2004022479A1 (ja) | 2002-09-05 | 2003-09-05 | 機能性分子含有ナノチャンネル構造体とその薄膜 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20050205844A1 (ja) |
EP (1) | EP1541523A4 (ja) |
CN (1) | CN1678515A (ja) |
WO (1) | WO2004022479A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008198650A (ja) * | 2007-02-08 | 2008-08-28 | Toshiba Discrete Technology Kk | 半導体発光素子及び半導体発光装置 |
EP3637158A4 (en) * | 2017-06-06 | 2020-06-10 | Panasonic Intellectual Property Management Co., Ltd. | WAVELENGTH CONVERTER AND MANUFACTURING METHOD THEREOF, AND LIGHT EMITTING DEVICE USING THE WAVELENGTH CONVERTER |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11106324A (ja) * | 1997-09-30 | 1999-04-20 | Shiseido Co Ltd | 香料保持粉体及びそれを配合した組成物 |
WO1999065085A1 (en) * | 1998-06-05 | 1999-12-16 | The Governing Council Of The University Of Toronto | Fast luminescent silicon |
JP2000226572A (ja) * | 1999-02-05 | 2000-08-15 | Canon Inc | フォトクロミック膜、及びフォトクロミック膜の作成方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6365266B1 (en) * | 1999-12-07 | 2002-04-02 | Air Products And Chemicals, Inc. | Mesoporous films having reduced dielectric constants |
US6387453B1 (en) * | 2000-03-02 | 2002-05-14 | Sandia Corporation | Method for making surfactant-templated thin films |
JP2003531269A (ja) * | 2000-04-21 | 2003-10-21 | サイエンス アンド テクノロジー コーポレーション @ ユーエヌエム | パターン化された機能性ナノストラクチャーのプロトタイピング |
-
2003
- 2003-09-05 CN CNA038210703A patent/CN1678515A/zh active Pending
- 2003-09-05 US US10/526,394 patent/US20050205844A1/en not_active Abandoned
- 2003-09-05 WO PCT/JP2003/011386 patent/WO2004022479A1/ja active Application Filing
- 2003-09-05 EP EP03794265A patent/EP1541523A4/en not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11106324A (ja) * | 1997-09-30 | 1999-04-20 | Shiseido Co Ltd | 香料保持粉体及びそれを配合した組成物 |
WO1999065085A1 (en) * | 1998-06-05 | 1999-12-16 | The Governing Council Of The University Of Toronto | Fast luminescent silicon |
JP2000226572A (ja) * | 1999-02-05 | 2000-08-15 | Canon Inc | フォトクロミック膜、及びフォトクロミック膜の作成方法 |
Non-Patent Citations (2)
Title |
---|
HONGYOU FAN ET AL.: "Rapid prototyping of patterned functional nanostructures", NATURE, vol. 405, 4 May 2000 (2000-05-04), pages 5 - 60, XP000297493 * |
See also references of EP1541523A4 * |
Also Published As
Publication number | Publication date |
---|---|
CN1678515A (zh) | 2005-10-05 |
EP1541523A1 (en) | 2005-06-15 |
US20050205844A1 (en) | 2005-09-22 |
EP1541523A4 (en) | 2010-04-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
TWI472641B (zh) | 基材之高疏水性表面的處理方法 | |
JP4093532B2 (ja) | アモルファス状金属酸化物の薄膜材料の製造方法 | |
KR101835971B1 (ko) | 나노 조성물이 코팅된 초소수성 알루미늄 판 및 이의 제조방법 | |
Gurav et al. | Porous water repellent silica coatings on glass by sol–gel method | |
JP2009208988A (ja) | 酸化チタンナノチューブを用いた機能性材料 | |
Shi et al. | Bioinspired lotus-like self-illuminous coating | |
Xu et al. | Bisurfactant-controlled synthesis of three-dimensional YBO3/Eu3+ architectures with tunable wettability | |
US8859050B2 (en) | Patterning of ultra-low refractive index high surface area nanoparticulate films | |
JP4049250B2 (ja) | 半導体センシングデバイスおよびその製造方法と、該デバイスを有してなるセンサ | |
JP7228129B2 (ja) | レーザー脱離/イオン化質量分析用の有機シリカ基板、及び、それを用いたレーザー脱離/イオン化質量分析法 | |
JP2009514661A (ja) | コーティングされた基体の製造 | |
Eduok et al. | Bioinspired and hydrophobic alkyl-silanized protective polymer coating for Mg alloy | |
Arablou et al. | Investigation of chemical etching and surface modification effect on the superhydrophobic, self-cleaning and corrosion behaviour of aluminium substrate | |
Cullen et al. | The role of the hydrolysis and zirconium concentration on the structure and anticorrosion performances of a hybrid silicate sol-gel coating | |
WO2004022479A1 (ja) | 機能性分子含有ナノチャンネル構造体とその薄膜 | |
US7781020B2 (en) | Structured material and producing method thereof | |
JP2004114287A (ja) | 機能性分子含有ナノチャンネル構造体とその薄膜 | |
WO2020167760A1 (en) | High throughput carbon fiber surface modification | |
Matsukizono et al. | Controlled formation of polyamine crystalline layers on glass surfaces and successive fabrication of hierarchically structured silica thin films | |
JP2009124067A (ja) | コア/シェル型シリコン量子ドット及びそれを用いた生体物質標識剤 | |
WO2010031877A1 (en) | Hybrid silica -polycarbonate porous membranes and porous polycarbonate replicas obtained thereof | |
Yliniemi et al. | Chemical composition and barrier properties of Ag nanoparticle-containing sol–gel films in oxidizing and reducing low-temperature plasmas | |
CN1678899A (zh) | 水晶振子型纳米管传感器 | |
CN101157450B (zh) | 一种非水解过程制备纳米管和纳米线材料的方法 | |
Uricanu et al. | Influence of film structure and precursor composition on rhodamine B retention in dye-dopped ormosils |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): CN US |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LU MC NL PT RO SE SI SK TR |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWE | Wipo information: entry into national phase |
Ref document number: 20038210703 Country of ref document: CN |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2003794265 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 10526394 Country of ref document: US |
|
WWP | Wipo information: published in national office |
Ref document number: 2003794265 Country of ref document: EP |