WO2005108288A1 - Procede de preparation par voie hydrothermique d'un nanotube de silicium autoassemble - Google Patents
Procede de preparation par voie hydrothermique d'un nanotube de silicium autoassemble Download PDFInfo
- Publication number
- WO2005108288A1 WO2005108288A1 PCT/CN2005/000630 CN2005000630W WO2005108288A1 WO 2005108288 A1 WO2005108288 A1 WO 2005108288A1 CN 2005000630 W CN2005000630 W CN 2005000630W WO 2005108288 A1 WO2005108288 A1 WO 2005108288A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- silicon
- nanotubes
- self
- preparing self
- temperature
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/02—Silicon
- C01B33/021—Preparation
- C01B33/023—Preparation by reduction of silica or free silica-containing material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S977/00—Nanotechnology
- Y10S977/70—Nanostructure
- Y10S977/734—Fullerenes, i.e. graphene-based structures, such as nanohorns, nanococoons, nanoscrolls or fullerene-like structures, e.g. WS2 or MoS2 chalcogenide nanotubes, planar C3N4, etc.
- Y10S977/742—Carbon nanotubes, CNTs
- Y10S977/743—Carbon nanotubes, CNTs having specified tube end structure, e.g. close-ended shell or open-ended tube
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S977/00—Nanotechnology
- Y10S977/84—Manufacture, treatment, or detection of nanostructure
Definitions
- the invention discloses a method for preparing self-grown silicon nanotubes by a hydrothermal method, and particularly refers to an inorganic solution growth method (hydrothermal method) for preparing self-grown silicon nanotubes.
- silicon bonds of elemental silicon are sp 3 hybrids, and it is difficult for substances with such hybrid bonds to form a tubular structure, although a large number of theoretical studies have been conducted on silicon nanotubes, theoretically it is believed that silicon nanotubes can be formed, but at present The preparation of silicon nanotubes, especially self-organized silicon nanotubes, is still a very challenging global problem, and no substantial breakthrough has occurred. Due to the unique properties of carbon nanotubes, a research boom has been caused in the world. Many research groups have tried to develop self-organized silicon nanotubes. Recently, Jeong et al. From Sungkyunkwan University and Sha et al.
- NCA nano-alumina channel
- the purpose of the present invention is to provide a silicon nano tube prepared by self-organized growth using a silicon source material.
- the method is a method for forming silicon nanotubes by self-assembly of a hydrothermal solution without adding a metal catalyst, without a growth template, simple process, easy operation control, low cost, no pollution, small diameter, and uniformly distributed hydrothermal solution.
- the present invention is implemented by using the following scheme: using water as a solvent, adding silicon oxide accounting for 0.01-10% of the weight of the solvent, mixing and placing it in a sealed reaction kettle at a temperature of 200-500 ° C and a pressure of 3-40 MPa Incubate for 1-5 hours and stir evenly.
- Stirrer uses magnetic stirrer.
- the silicon oxide according to the present invention may account for 0.05-8% by weight of the solvent.
- the silicon oxide according to the present invention may account for 0.1-6% by weight of the solvent.
- the invention can be prepared at a temperature of 250-500 ° C and a pressure of 8-35 MPa for 1-4 hours with uniform stirring.
- the preferred preparation conditions of the present invention are that the temperature is kept at 300-450 ° C and the pressure is maintained at 10-30MPa for 1-3 hours and uniformly stirred.
- Another preferred preparation condition of the present invention is that the temperature is 300 to 400 ° C, and the temperature is maintained for 3 to 4 hours under a pressure of 6 to 10 MPa and uniformly stirred.
- the present invention adopts the above-mentioned process method, no metal catalyst needs to be added, and no growth template is required. After characterization and identification, it can be confirmed that the prepared is a self-organized growth silicon nanotube. Since the self-assembled silicon nanotubes are prepared in an aqueous solution, there are no problems such as agglomeration and entanglement, which overcomes the difficult problems such as easy agglomeration and difficult dispersion of the current nanomaterials. At the same time, the prepared self-grown silicon nanotubes are difficult to solve. Nanotubes have a large length / diameter ratio, which provides a new way to strengthen and toughen composite materials.
- the method has the advantages of simple process method, easy operation, simple equipment, low cost, and provides conditions for practical application of self-organized growth of silicon nanotubes.
- the invention uses non-toxic raw materials. The raw materials and the preparation process are non-polluting to the environment and fully meet the development direction of the modern industry, which can realize the industrialized preparation of self-organized silicon nanotubes.
- FIG. 1 is a schematic diagram of the growth process of self-grown silicon nanotubes.
- a temperature field in the reactor that is, a temperature gradient from the edge of the kettle body to the center of the kettle from high to low, during the growth process of silicon nanotubes.
- the connection of silicon and silicon atom bonds formed a tubular structure in the low temperature region ( Figure 1 (a)).
- the Si-Si bond at the growing end of this tubular structure is at the minimum value of metastable energy, preventing the closing of the growing end of silicon nanotubes.
- silicon nanotubes are stirring Under the agitation of the mixer, it continuously moves between the low temperature region and the high temperature region, and the probability of collision of different atoms increases.
- One Si position in the Si atom may change part of the crystalline silicon in the wall of the silicon nanotube into amorphous silicon, so that the silicon wall forms a silicon layer similar to a graphite layered structure.
- Figure 1 is a schematic diagram of the growth process of silicon nanotubes grown in groups.
- FIG. 2 is a transmission electron microscope (TEM) image of a self-grown silicon nanotube prepared by the present invention.
- FIG. 3 is a selected area electron diffraction (SAED) image of a self-grown silicon nanotube prepared by the present invention.
- SAED selected area electron diffraction
- Fig. 4 is an energy dispersive spectrum (EDS) analysis of the self-grown silicon nanotubes prepared by the present invention.
- FIG. 5 is a high-resolution transmission electron microscopy (HRTEM) image of the self-grown silicon nanotube body prepared by the present invention.
- FIG. 6 is a high-resolution transmission electron microscope (HRTEM) image of the growth tip of the self-grown silicon nanotube tube prepared by the present invention.
- HRTEM transmission electron microscope
- the selective electron diffraction pattern of the silicon nanotubes grown from the group shows that the silicon nanotubes have a polycrystalline structure, and the crystal planes corresponding to the diffraction rings from the inside to the outside are (111), (220), and (311) faces.
- the outer diameter of the tube body ( Figure 5) is about 14nm, the inner hole is about 1.5nm, the silicon wall thickness is about 5nm and the thickness of the amorphous outer layer is less than 2nm.
- the diameter of the growing end of the obtained self-grown silicon nanotube (Fig. 6) is about 18 nm, the inner hole is larger than the tube body, about 3 nm, the silicon wall thickness is about 5 nm, and the thickness of the amorphous outer layer is less than 2 nm.
- the outer layer of the oxide layer on the top of the grown silicon nanotubes is not uniformly distributed and has some defects.
- the sample contains two elements of silicon and oxygen, and at the same time, silicon dioxide is the most stable compound of silicon compounds, so it can be determined that the amorphous outer layer is amorphous silicon dioxide.
- Self-organized silicon The symmetrical silicon wall layer and amorphous silicon dioxide layer at both ends of the meter tube indicate that the synthesized silicon nanotubes are a seamless tubular silicon structure. Therefore, the structure of self-grown silicon nanotubes consists of three parts: a hollow structure with a few nanometers inside, and a tube wall structure composed of crystalline silicon in the middle. The wall thickness is generally lower than
- the outermost layer is the outer layer of amorphous silica with a diameter less than 2nm.
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/578,450 US7544626B2 (en) | 2004-05-11 | 2005-05-08 | Preparation of self-assembled silicon nanotubes by hydrothermal method |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200410023180 | 2004-05-11 | ||
CN200410023180.1 | 2004-05-11 | ||
CNB2004100630337A CN1268543C (zh) | 2004-05-11 | 2004-07-06 | 水热法制备自组生长的硅纳米管及硅纳米线的方法 |
CN200410063033.7 | 2004-07-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005108288A1 true WO2005108288A1 (fr) | 2005-11-17 |
Family
ID=34523738
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2005/000630 WO2005108288A1 (fr) | 2004-05-11 | 2005-05-08 | Procede de preparation par voie hydrothermique d'un nanotube de silicium autoassemble |
Country Status (3)
Country | Link |
---|---|
US (1) | US7544626B2 (zh) |
CN (1) | CN1268543C (zh) |
WO (1) | WO2005108288A1 (zh) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100392159C (zh) * | 2005-04-12 | 2008-06-04 | 中国科学技术大学 | 一种α-Si3N4单晶纳米线的溶剂热反应制备方法 |
CN1332881C (zh) * | 2005-06-23 | 2007-08-22 | 复旦大学 | 一种单晶氧化硅纳米线的合成方法 |
CN101058421B (zh) * | 2007-04-13 | 2010-05-19 | 安徽工业大学 | 一种低温制备无金属催化剂的纳米硅线的方法 |
CN101284667B (zh) * | 2008-05-29 | 2010-12-15 | 复旦大学 | 一种硅纳米管的制备方法 |
US20090321355A1 (en) * | 2008-06-30 | 2009-12-31 | NANOASIS TECHNOLOGIES, INC., a corporation of the state of Delaware | Membranes with embedded nanotubes for selective permeability |
US7993524B2 (en) * | 2008-06-30 | 2011-08-09 | Nanoasis Technologies, Inc. | Membranes with embedded nanotubes for selective permeability |
KR100999173B1 (ko) | 2008-07-17 | 2010-12-07 | (주) 더몰론코리아 | 폴리아닐린 표면처리를 이용한 전도성 실리카 나노튜브복합재의 제조방법 |
US8196756B2 (en) * | 2010-04-02 | 2012-06-12 | NanOasis | Asymmetric nanotube containing membranes |
US9095821B1 (en) | 2010-10-26 | 2015-08-04 | Nagare Membranes, Llc | Non-reactive process for fixing nanotubes in a membrane in through-passage orientation |
CN104445203B (zh) * | 2014-12-10 | 2016-01-20 | 湖南科技大学 | 一种硅量子点的制备方法 |
ES2593656B1 (es) * | 2015-06-08 | 2017-07-11 | Fundació Institut De Recerca En Energia De Catalunya | Nanoestructura de láminas concéntricas |
US9570299B1 (en) | 2015-09-08 | 2017-02-14 | International Business Machines Corporation | Formation of SiGe nanotubes |
US10680063B2 (en) | 2018-09-07 | 2020-06-09 | International Business Machines Corporation | Method of manufacturing stacked SiGe nanotubes |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11349321A (ja) * | 1998-06-05 | 1999-12-21 | Osaka Gas Co Ltd | 機能性珪素材料の製法 |
CN1454841A (zh) * | 2003-05-19 | 2003-11-12 | 清华大学 | 大面积p-n结纳米硅线阵列及其制备方法 |
CN1474434A (zh) * | 2003-07-25 | 2004-02-11 | 中国科学院上海微系统与信息技术研究 | 一种硅纳米线的制作方法 |
CN1482207A (zh) * | 2003-07-28 | 2004-03-17 | 中国科学技术大学 | 磷化物纳米线的水热合成制备方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW554388B (en) * | 2001-03-30 | 2003-09-21 | Univ California | Methods of fabricating nanostructures and nanowires and devices fabricated therefrom |
US6656573B2 (en) * | 2001-06-26 | 2003-12-02 | Hewlett-Packard Development Company, L.P. | Method to grow self-assembled epitaxial nanowires |
US6713519B2 (en) * | 2001-12-21 | 2004-03-30 | Battelle Memorial Institute | Carbon nanotube-containing catalysts, methods of making, and reactions catalyzed over nanotube catalysts |
US7132126B2 (en) * | 2002-10-17 | 2006-11-07 | City University Of Hong Kong | Room temperature synthesis of multiwalled carbon nanostructures |
US7211143B2 (en) * | 2002-12-09 | 2007-05-01 | The Regents Of The University Of California | Sacrificial template method of fabricating a nanotube |
US7147834B2 (en) * | 2003-08-11 | 2006-12-12 | The Research Foundation Of State University Of New York | Hydrothermal synthesis of perovskite nanotubes |
-
2004
- 2004-07-06 CN CNB2004100630337A patent/CN1268543C/zh not_active Expired - Fee Related
-
2005
- 2005-05-08 US US10/578,450 patent/US7544626B2/en not_active Expired - Fee Related
- 2005-05-08 WO PCT/CN2005/000630 patent/WO2005108288A1/zh active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11349321A (ja) * | 1998-06-05 | 1999-12-21 | Osaka Gas Co Ltd | 機能性珪素材料の製法 |
CN1454841A (zh) * | 2003-05-19 | 2003-11-12 | 清华大学 | 大面积p-n结纳米硅线阵列及其制备方法 |
CN1474434A (zh) * | 2003-07-25 | 2004-02-11 | 中国科学院上海微系统与信息技术研究 | 一种硅纳米线的制作方法 |
CN1482207A (zh) * | 2003-07-28 | 2004-03-17 | 中国科学技术大学 | 磷化物纳米线的水热合成制备方法 |
Non-Patent Citations (3)
Title |
---|
JIAN S ET AL: "Silicon nanotubes.", ADVANCED MATERIALS., vol. 14, no. 17, 2002, pages 1219 - 1221 * |
LI MENGKE ET AL: "Preparation of well-aligne carbon nanotubes/silicon nanowires composite structure arrays.", SCIENCE IN CHINA (SERIES B), vol. 32, no. 3, 2002, pages 204 - 209 * |
ZHOU G ET AL: "Synthesis and micro-structural study of one-dimensional nano-materials.", SCIENCE IN CHINA (SERIES A), vol. 29, no. 1, 1999, pages 85 - 91 * |
Also Published As
Publication number | Publication date |
---|---|
US7544626B2 (en) | 2009-06-09 |
CN1268543C (zh) | 2006-08-09 |
US20070077680A1 (en) | 2007-04-05 |
CN1569628A (zh) | 2005-01-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2005108288A1 (fr) | Procede de preparation par voie hydrothermique d'un nanotube de silicium autoassemble | |
Li et al. | Selective synthesis of cobalt hydroxide carbonate 3D architectures and their thermal conversion to cobalt spinel 3D superstructures | |
Gao et al. | Carbon nanotubes filled with metallic nanowires | |
Hong et al. | Controlling the growth of single-walled carbon nanotubes on surfaces using metal and non-metal catalysts | |
Zhang et al. | Carbon nanotube assisted synthesis of CeO2 nanotubes | |
Wu et al. | Large scale synthesis of uniform CuS nanotubes in ethylene glycol by a sacrificial templating method under mild conditions | |
Liu et al. | Surfactant-assisted growth of uniform nanorods of crystalline tellurium | |
US6190634B1 (en) | Carbide nanomaterials | |
Gong et al. | Synthesis of copper/cross-linked poly (vinyl alcohol)(PVA) nanocables via a simple hydrothermal route | |
Liu et al. | A simple method for coating carbon nanotubes with Co–B amorphous alloy | |
JP7008373B2 (ja) | 複数の小サイズ触媒からなる複合触媒に基づいて高純度カーボンナノコイルを合成する方法 | |
Wang et al. | Morphology, structure and magnetic properties of single-crystal Mn3O4 nanorods | |
CN100355649C (zh) | 一种原位共生铁纳米线填充在薄壁碳纳米管的方法 | |
Kim et al. | Epitaxy-driven vertical growth of single-crystalline cobalt nanowire arrays by chemical vapor deposition | |
Zhao et al. | Graphene oxide-supported cobalt tungstate as catalyst precursor for selective growth of single-walled carbon nanotubes | |
CN109678138B (zh) | 一种单手性单壁碳纳米管的制备方法 | |
KR100583610B1 (ko) | 전이금속산화물/탄소나노튜브 합성물 제작방법 | |
Herlin-Boime et al. | Flame temperature effect on the structure of SiC nanoparticles grown by laser pyrolysis | |
Ramdani et al. | Synthesis, characterization and kinetic computations of fullerene (C60)–CuO on the mechanism decomposition of ammonium perchlorate | |
Pokropivny | Non-Carbon Nanotubes (Review). Part 1. Synthesis Methods | |
Jiang et al. | Catalytic synthesis and photoluminescence of silicon oxide nanowires and nanotubes | |
CN114655945A (zh) | 一种碳纳米管表面包覆非晶态或晶态氧化铬纳米功能涂层及其制备方法与应用 | |
Wang et al. | Facile synthesis and characterization of hierarchical CuO nanoarchitectures by a simple solution route | |
KR100561701B1 (ko) | 탄화규소 나노로드 및 나노와이어의 제조 방법 | |
Xiong et al. | Preparation of semiconductor/polymer coaxial nanocables by a facile solution process |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KM KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NG NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SM SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): BW GH GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LT LU MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG |
|
DPEN | Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed from 20040101) | ||
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: 2007077680 Country of ref document: US Ref document number: 10578450 Country of ref document: US |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
WWW | Wipo information: withdrawn in national office |
Ref document number: DE |
|
WWP | Wipo information: published in national office |
Ref document number: 10578450 Country of ref document: US |
|
122 | Ep: pct application non-entry in european phase |