公开(公告)号：US20080295762A1

公开(公告)日：2008-12-04

申请号：US11755522

申请日：2007-05-30

申请人： Taleb Mokari ,  Minjuan Zhang ,  Peidong Yang

发明人： Taleb Mokari ,  Minjuan Zhang ,  Peidong Yang

IPC分类号： C30B19/00

CPC分类号： C30B9/08 ,  C30B29/46 ,  C30B29/60 ,  Y10S977/773 ,  Y10S977/811

摘要： Disclosed is a method for producing, controlling the shape and size oft Pb-chalcogenide nanoparticles. The method includes preparing a Pb (Pb) precursor containing Pb and a carboxylic acid dissolved in a hydrocarbon solution and preparing a chalcogen element precursor containing a chalcogen element dissolved in a hydrocarbon solution. The amount of Pb and chalcogen in the respective precursor affords for a predetermined Pb:chalcogen element ratio to be present when the Pb precursor is mixed with the chalcogen element precursor. The Pb precursor is mixed with the chalcogen element precursor to form a Pb-chalcogen mixture in such a manner that Pb-chalcogenide nanoparticle nucleation does not occur. A nucleation and growth solution containing a surfactant is also prepared by heating the solution to a nucleation temperature sufficient to nucleate nanoparticles when the Pb-chalcogen element mixture is added. Upon injection of the Pb-chalcogen element mixture into the heated nucleation and growth solution, Pb-chalcogenide nanoparticles nucleate and a Pb-chalcogenide nanoparticle solution is formed, which is thereafter cooled to a growth temperature that is below the nucleation temperature. The Pb-chalcogenide nanoparticle solution at the growth temperature is held at the growth temperature for a predetermined time period such that a desired nanoparticle size is obtained. The Pb:chalcogen element ratio and a surfactant in the nucleation and growth solution can control the shape of the Pb-chalcogenide nanoparticles. The nucleation temperature, the growth temperature, the time at which the Pb-chalcogenide nanoparticle solution is held at the growth temperature and a surfactant can control the size of the Pb-chalcogenide nanoparticles.

摘要翻译： 公开了一种用于生产，控制Pb-硫族化物纳米颗粒的形状和尺寸的方法。 该方法包括制备含有溶解在烃溶液中的Pb和羧酸的Pb（Pb）前体，并制备含有溶解在烃溶液中的硫属元素的硫属元素前体。 当Pb前体与硫属元素前体混合时，各个前体中的Pb和硫族元素的量提供预定的Pb：硫属元素比例。 将Pb前体与硫属元素前体混合以形成不产生Pb-硫属元素化物纳米粒子成核的方式形成Pb-硫族元素混合物。 含有表面活性剂的成核和生长溶液也可以通过将溶液加热至加成Pb-硫属元素混合物时足以使纳米颗粒成核的成核温度来制备。 在将Pb-硫属元素混合物注入加热的成核和生长溶液中时，Pb-硫族化物纳米颗粒成核，形成Pb-硫族化物纳米颗粒溶液，然后将其冷却至低于成核温度的生长温度。 生长温度下的Pb-硫族化物纳米颗粒溶液在生长温度下保持预定时间，从而获得所需的纳米颗粒尺寸。 成核和生长溶液中的Pb：硫属元素比例和表面活性剂可以控制Pb-硫族化物纳米颗粒的形状。 成核温度，生长温度，Pb-硫族化物纳米颗粒溶液在生长温度下保持的时间和表面活性剂可以控制Pb-硫族化物纳米颗粒的尺寸。

公开(公告)号：US20080157031A1

公开(公告)日：2008-07-03

申请号：US11619413

申请日：2007-01-03

申请人： Joshua Goldberger ,  Melissa Fardy ,  Oded Rabin ,  Allon Hochbaum ,  Minjuan Zhang ,  Peidong Yang

发明人： Joshua Goldberger ,  Melissa Fardy ,  Oded Rabin ,  Allon Hochbaum ,  Minjuan Zhang ,  Peidong Yang

IPC分类号： H01B1/06 ,  C01B19/04 ,  C01B17/20

CPC分类号： C01B19/007 ,  B82Y30/00 ,  C01G21/00 ,  C01G21/21 ,  C01P2004/03 ,  C01P2004/04 ,  C01P2004/16 ,  C01P2004/62 ,  C01P2004/64 ,  C01P2004/80 ,  C01P2006/40 ,  C30B23/007 ,  C30B25/00 ,  C30B29/46 ,  C30B29/60 ,  Y02P20/129 ,  Y10S977/84 ,  Y10S977/842 ,  Y10S977/843 ,  Y10S977/844 ,  Y10S977/89 ,  Y10S977/895 ,  Y10S977/896 ,  Y10S977/897 ,  Y10S977/898 ,  Y10S977/899

摘要： A method for the non-catalytic growth of nanowires is provided. The method includes a reaction chamber with the chamber having an inlet end, an exit end and capable of being heated to an elevated temperature. A carrier gas with a flow rate is allowed to enter the reaction chamber through the inlet end and exit the chamber through the exit end. Upon passing through the chamber the carrier gas comes into contact with a precursor which is heated within the reaction chamber. A collection substrate placed downstream from the precursor allows for the formation and growth of nanowires thereon without the use of a catalyst. A second embodiment of the present invention is comprised of a reaction chamber, a carrier gas, a precursor target, a laser beam and a collection substrate. The carrier gas with a flow rate and a gas pressure is allowed to enter the reaction chamber through an inlet end and exit the reaction chamber through the exit end. The laser beam is focused on the precursor target which affords for the evaporation of the precursor material and subsequent formation and growth of nanowires on the collection substrate.

摘要翻译： 提供了一种非催化生长纳米线的方法。 该方法包括反应室，该室具有入口端，出口端并能够被加热到升高的温度。 允许具有流速的载气通过入口端进入反应室，并通过出口端离开室。 当通过室时，载气与在反应室内被加热的前体接触。 放置在前体下游的收集衬底允许在其上形成和生长纳米线，而不使用催化剂。 本发明的第二实施例由反应室，载气，前体靶，激光束和收集基底组成。 允许具有流速和气体压力的载气通过入口端进入反应室，并通过出口端离开反应室。 激光束聚焦在前体靶上，其提供前体材料的蒸发，随后在收集基底上形成和生长纳米线。

公开(公告)号：US07303815B2

公开(公告)日：2007-12-04

申请号：US10642043

申请日：2003-08-15

申请人： Peidong Yang ,  Matthew Law ,  Rongrui He ,  Rong Fan ,  Franklin Kim

发明人： Peidong Yang ,  Matthew Law ,  Rongrui He ,  Rong Fan ,  Franklin Kim

IPC分类号： B32B15/04 ,  G01K5/68

CPC分类号： B81B3/0035 ,  B82Y20/00 ,  B82Y25/00 ,  B82Y30/00 ,  C30B23/00 ,  C30B29/605 ,  H01L21/02414 ,  H01L21/02428 ,  H01L21/02521 ,  H01L21/02554 ,  H01L21/02565 ,  H01L21/02581 ,  H01L21/0259 ,  H01L21/02631 ,  Y10S977/755 ,  Y10S977/81 ,  Y10S977/811 ,  Y10T428/125 ,  Y10T428/29 ,  Y10T428/2973 ,  Y10T428/298

摘要： A two-layer nanotape that includes a nanoribbon substrate and an oxide that is epitaxially deposited on a flat surface of the nanoribbon substrate is described. The oxide is deposited on the substrate using a pulsed laser ablation deposition process. The nanoribbons can be made from materials such as SnO2, ZnO, MgO, Al2O3, Si, GaN, or CdS. Also, the sintered oxide target can be made from materials such as TiO2, transition metal doped TiO2 (e.g., CO0.05Ti0.95O2), BaTiO3, ZnO, transition metal doped ZnO (e.g., Mn0.1Zn0.9O and Ni0.1Zn0.9O), LaMnO3, BaTiO3, PbTiO3, YBa2Cu3Oz, or SrCu2O2 and other p-type oxides. Additionally, temperature sensitive nanoribbon/metal bilayers and their method of fabrication by thermal evaporation are described. Metals such as Cu, Au, Ti, Al, Pt, Ni and others can be deposited on top of the nanoribbon surface. Such devices bend significantly as a function of temperature and are suitable as, for example, thermally activated nanoscale actuators.

摘要翻译： 描述了包括纳米薄片基底和外延沉积在纳米薄片的平坦表面上的氧化物的双层纳米线。 氧化物使用脉冲激光烧蚀沉积工艺沉积在衬底上。 纳米带可以由诸如SnO 2，ZnO，MgO，Al 2 O 3 3，Si，GaN或CdS的材料制成。 此外，烧结氧化物靶可以由诸如TiO 2，过渡金属掺杂的TiO 2（例如，CO <0.05> Ti 3 ，YBa 2，3 3 或SrCu 2 O 2 和/或其它p型氧化物。 另外，描述了温度敏感的纳米棒/金属双层及其通过热蒸发制造的方法。 诸如Cu，Au，Ti，Al，Pt，Ni等的金属可以沉积在纳米棒表面的顶部。 这样的装置作为温度的函数显着弯曲，并且适合于例如热活化的纳米级致动器。

公开(公告)号：US07211143B2

公开(公告)日：2007-05-01

申请号：US10731745

申请日：2003-12-08

申请人： Peidong Yang ,  Rongrui He ,  Joshua Goldberger ,  Rong Fan ,  Yi-Ying Wu ,  Deyu Li ,  Arun Majumdar

发明人： Peidong Yang ,  Rongrui He ,  Joshua Goldberger ,  Rong Fan ,  Yi-Ying Wu ,  Deyu Li ,  Arun Majumdar

IPC分类号： C30B23/00 ,  C30B25/00 ,  C30B28/12

CPC分类号： C30B29/602 ,  B82Y10/00 ,  B82Y30/00 ,  C30B25/02 ,  C30B29/605 ,  C30B33/00 ,  H01L21/0242 ,  H01L21/02433 ,  H01L21/02458 ,  H01L21/02472 ,  H01L21/0254 ,  H01L21/02603 ,  H01L21/02606 ,  H01L21/0262 ,  H01L21/02639 ,  H01L21/02653 ,  H01L21/02664 ,  H01L29/0676 ,  H01L29/068 ,  H01L2924/0002 ,  Y10S977/734 ,  Y10S977/742 ,  Y10S977/762 ,  Y10S977/855 ,  H01L2924/00

摘要： Methods of fabricating uniform nanotubes are described in which nanotubes were synthesized as sheaths over nanowire templates, such as using a chemical vapor deposition process. For example, single-crystalline zinc oxide (ZnO) nanowires are utilized as templates over which gallium nitride (GaN) is epitaxially grown. The ZnO templates are then removed, such as by thermal reduction and evaporation. The completed single-crystalline GaN nanotubes preferably have inner diameters ranging from 30 nm to 200 nm, and wall thicknesses between 5 and 50 nm. Transmission electron microscopy studies show that the resultant nanotubes are single-crystalline with a wurtzite structure, and are oriented along the direction. The present invention exemplifies single-crystalline nanotubes of materials with a non-layered crystal structure. Similar “epitaxial-casting” approaches could be used to produce arrays and single-crystalline nanotubes of other solid materials and semiconductors. Furthermore, the fabrication of multi-sheath nanotubes are described as well as nanotubes having multiple longitudinal segments.

摘要翻译： 描述了制造均匀纳米管的方法，其中纳米管在纳米线模板上合成为鞘，例如使用化学气相沉积工艺。 例如，单晶氧化锌（ZnO）纳米线被用作在其上外延生长氮化镓（GaN）的模板。 然后去除ZnO模板，例如通过热还原和蒸发。 完成的单晶GaN纳米管的内径优选为30nm至200nm，壁厚为5至50nm。 透射电子显微镜研究表明，所得纳米管是具有纤锌矿结构的单晶，沿着<001>方向取向。 本发明例示了具有非层状晶体结构的材料的单晶纳米管。 可以使用类似的“外延铸造”方法来生产其他固体材料和半导体的阵列和单晶纳米管。 此外，还描述了多皮纳米管的制造以及具有多个纵向段的纳米管。

公开(公告)号：US06952436B2

公开(公告)日：2005-10-04

申请号：US10002968

申请日：2001-11-14

申请人： Gernot Wirnsberger ,  Brian J. Scott ,  Howard C. Huang ,  Nicholas A. Melosh ,  Peidong Yang ,  Bradley F. Chmelka ,  Galen D. Stucky

发明人： Gernot Wirnsberger ,  Brian J. Scott ,  Howard C. Huang ,  Nicholas A. Melosh ,  Peidong Yang ,  Bradley F. Chmelka ,  Galen D. Stucky

IPC分类号： C04B26/14 ,  C04B28/00 ,  C04B35/14 ,  C04B38/00 ,  C08G79/00 ,  C08G83/00 ,  G02B1/04 ,  G02B6/122 ,  H01S3/00

CPC分类号： C08G77/02 ,  C04B26/14 ,  C04B28/00 ,  C04B35/14 ,  C04B38/0022 ,  C04B2111/80 ,  C04B2111/805 ,  C08G79/00 ,  C08G83/001 ,  C08G2270/00 ,  G02B1/04 ,  G02B6/122 ,  C04B35/00 ,  C04B38/062 ,  C04B2103/0067 ,  C04B2103/54 ,  C04B38/04 ,  C04B14/30 ,  C04B38/00 ,  C04B24/32

摘要： A method for preparing transparent mesostructured inorganic/block-copolymer composites or inorganic porous solids containing optically responsive species with selective optical, optoelectronic, and sensing properties resulting therefrom. Mesoscopically organized inorganic/block copolymer composites doped with dyes or complexes are prepared for use as optical hosts, chemical/physical/biological sensors, photochromic materials, optical waveguides, tunable solid-state lasers, or optoelectronic devices. The materials can be processed into a variety of different shapes, such as films, fibers, monoliths, for novel optical and sensing applications.

摘要翻译： 一种制备透明介孔结构无机/嵌段共聚物复合材料或含有光学响应物质的无机多孔固体的方法，其具有由此产生的选择性光学，光电子和感测特性。 制备掺杂有染料或络合物的中等程度组织的无机/嵌段共聚物复合材料，用作光学主体，化学/物理/生物传感器，光致变色材料，光波导，可调固态激光器或光电子器件。 这些材料可以加工成各种不同的形状，例如薄膜，纤维，整料，用于新颖的光学和感测应用。

公开(公告)号：US06592764B1

公开(公告)日：2003-07-15

申请号：US09554259

申请日：2000-12-11

申请人： Galen D. Stucky ,  Bradley F. Chmelka ,  Dongyuan Zhao ,  Nick Melosh ,  Qisheng Huo ,  Jianglin Feng ,  Peidong Yang ,  David Pine ,  David Margolese ,  Wayne Lukens, Jr. ,  Glenn H. Fredrickson ,  Patrick Schmidt-Winkel

发明人： Galen D. Stucky ,  Bradley F. Chmelka ,  Dongyuan Zhao ,  Nick Melosh ,  Qisheng Huo ,  Jianglin Feng ,  Peidong Yang ,  David Pine ,  David Margolese ,  Wayne Lukens, Jr. ,  Glenn H. Fredrickson ,  Patrick Schmidt-Winkel

IPC分类号： D15

CPC分类号： B01J20/28083 ,  B01D15/00 ,  B01D15/08 ,  B01J20/06 ,  B01J20/103 ,  B01J20/26 ,  B01J20/28014 ,  B01J20/28023 ,  B01J20/28033 ,  B01J20/28042 ,  B01J20/28057 ,  B01J20/28069 ,  B01J20/28078 ,  B01J20/28085 ,  B01J20/2809 ,  B01J29/0308 ,  B01J29/041 ,  B01J2220/46 ,  C07K1/34 ,  C07K1/36 ,  C08G65/321 ,  C08G65/324 ,  C08G79/00 ,  C08G83/001 ,  C08G2650/58 ,  Y10T428/2962 ,  Y10T428/2982 ,  Y10T428/2993

摘要： Mesoscopically ordered, hydrothermally stable metal oxide-block copolymer composite or mesoporous materials are described herein that are formed by using amphiphilic block copolymers which act as structure directing agents for the metal oxide in a self-assembling system.

摘要翻译： 本文描述了通过使用在自组装系统中用作金属氧化物的结构导向剂的两亲性嵌段共聚物形成的中等程度的水热稳定的金属氧化物 - 嵌段共聚物复合材料或介孔材料。

公开(公告)号：US06541539B1

公开(公告)日：2003-04-01

申请号：US09432920

申请日：1999-11-02

申请人： Peidong Yang ,  Tao Deng ,  George M. Whitesides ,  Galen Stucky ,  Dongyaun Zhao ,  Bradley Chmelka ,  David Pine ,  Pingyun Feng

发明人： Peidong Yang ,  Tao Deng ,  George M. Whitesides ,  Galen Stucky ,  Dongyaun Zhao ,  Bradley Chmelka ,  David Pine ,  Pingyun Feng

IPC分类号： C08K900

CPC分类号： C04B35/622 ,  B82Y30/00 ,  C04B35/624 ,  C04B38/0051 ,  C04B2111/00405 ,  C04B35/01 ,  C04B38/0045

摘要： A low-cost, efficient method of preparing hierarchically ordered structures by combining, concurrently or sequentially, micromolding, latex templating, and cooperative self-assembly of hydrolyzed inorganic species and amphiphilic block copolymers.

公开(公告)号：US10858581B2

公开(公告)日：2020-12-08

申请号：US15727823

申请日：2017-10-09

申请人： Letian Dou ,  Minliang Lai ,  Yiming Yang ,  Peidong Yang

发明人： Letian Dou ,  Minliang Lai ,  Yiming Yang ,  Peidong Yang

IPC分类号： C30B29/12 ,  C09K11/66 ,  B82Y40/00 ,  B82Y30/00

摘要： This disclosure provides systems, methods, and apparatus related to heterojunctions in halide perovskite nanostructures. In one aspect, a nanostructure comprises a first region and a second region. The first region comprises ABX3, with A being selected from a group consisting of Cs and Rb, with B being selected from a group consisting of Sn and Pb, and with X being selected from a group consisting of Br, Cl, and Br and Cl. The second region comprises ABY3, with Y being selected from a group consisting of Br, I, and Br and I. Compositions of the first region of the nanostructure and the second region of the nanostructure are different.

公开(公告)号：US20180209054A1

公开(公告)日：2018-07-26

申请号：US15840435

申请日：2017-12-13

申请人： Peidong Yang ,  Dohyung Kim

发明人： Peidong Yang ,  Dohyung Kim

IPC分类号： C25B11/04 ,  C25B11/12 ,  C25B3/04 ,  C25B1/00 ,  C01G3/00 ,  B82Y30/00 ,  B82Y40/00

CPC分类号： C25B11/0447 ,  B82Y30/00 ,  B82Y40/00 ,  C01G3/00 ,  C01P2004/32 ,  C01P2004/38 ,  C01P2004/40 ,  C01P2004/64 ,  C09C1/627 ,  C25B1/00 ,  C25B3/04 ,  C25B11/12 ,  H01M4/9041 ,  H01M8/083

摘要： This disclosure provides systems, methods, and apparatus related to copper nanoparticle structures for reduction of carbon dioxide to multicarbon products. In one aspect, a method includes providing a plurality of copper nanoparticles. The plurality of copper nanoparticles are deposited on a support. The plurality of copper nanoparticles are transformed to a plurality of copper structures during an operation in which carbon dioxide is reduced. The plurality of copper nanoparticles on the support are used as a working electrode in an electrochemical cell during the operation.

公开(公告)号：US20180105743A1

公开(公告)日：2018-04-19

申请号：US15727823

申请日：2017-10-09

申请人： Letian Dou ,  Minliang Lai ,  Yiming Yang ,  Peidong Yang

发明人： Letian Dou ,  Minliang Lai ,  Yiming Yang ,  Peidong Yang

IPC分类号： C09K11/66

CPC分类号： C09K11/665

摘要： This disclosure provides systems, methods, and apparatus related to heterojunctions in halide perovskite nanostructures. In one aspect, a nanostructure comprises a first region and a second region. The first region comprises ABX3, with A being selected from a group consisting of Cs and Rb, with B being selected from a group consisting of Sn and Pb, and with X being selected from a group consisting of Br, Cl, and Br and Cl. The second region comprises ABY3, with Y being selected from a group consisting of Br, I, and Br and I. Compositions of the first region of the nanostructure and the second region of the nanostructure are different.