Quantum beam aided atomic force microscopy and quantum beam aided atomic force microscope
    1.
    发明授权
    Quantum beam aided atomic force microscopy and quantum beam aided atomic force microscope 失效
    量子束辅助原子力显微镜和量子束辅助原子力显微镜

    公开(公告)号:US07534999B2

    公开(公告)日:2009-05-19

    申请号:US11587031

    申请日:2004-12-21

    IPC分类号: G12B21/24 G01B11/30

    CPC分类号: G01Q60/24 G01Q30/02

    摘要: A quantum beam aided atomic force microscopy and quantum beam aided atomic force microscope that can simultaneously perform atomic-level configuration observation and elemental analysis with the use of an atomic force microscope and further can effect analysis of the chemical state of sample surface and that as being operable in liquids, can realize the elemental analysis and chemical state analysis of biosamples with an atomic-level resolving power. Accordingly, atoms of sample surface are irradiated with quantum beams, such as charged particles, electrons and photons, having a given electron transition energy characteristic of element, and any change in interaction force between the atoms of sample surface having been irradiated with quantum beams and the distal end of the probe is detected.

    摘要翻译: 量子束辅助原子力显微镜和量子束辅助原子力显微镜,可以同时使用原子力显微镜进行原子级配置观察和元素分析,进一步可以对样品表面的化学状态进行分析, 可以在液体中操作,可以实现具有原子级分辨能力的生物样品的元素分析和化学状态分析。 因此,样品表面的原子被量子束照射,例如具有给定的元素的电子跃迁能量特性的带电粒子,电子和光子,并且已经用量子束照射样品表面的原子之间的相互作用力的任何变化,以及 检测探头的远端。

    Quantum Beam Aided Atomic Force Microscopy and Quantum Beam Aided Atomic Force Microscope
    2.
    发明申请
    Quantum Beam Aided Atomic Force Microscopy and Quantum Beam Aided Atomic Force Microscope 失效
    量子束辅助原子力显微镜和量子束辅助原子力显微镜

    公开(公告)号:US20070215804A1

    公开(公告)日:2007-09-20

    申请号:US11587031

    申请日:2004-12-21

    IPC分类号: G01N23/22

    CPC分类号: G01Q60/24 G01Q30/02

    摘要: A quantum beam aided atomic force microscopy and quantum beam aided atomic force microscope that can simultaneously perform atomic-level configuration observation and elemental analysis with the use of an atomic force microscope and further can effect analysis of the chemical state of sample surface and that as being operable in liquids, can realize the elemental analysis and chemical state analysis of biosamples with an atomic-level resolving power. Accordingly, atoms of sample surface are irradiated with quantum beams, such as charged particles, electrons and photons, having a given electron transition energy characteristic of element, and any change in interaction force between the atoms of sample surface having been irradiated with quantum beams and the distal end of the probe is detected.

    摘要翻译: 量子束辅助原子力显微镜和量子束辅助原子力显微镜,可以同时使用原子力显微镜进行原子级配置观察和元素分析,进一步可以对样品表面的化学状态进行分析, 可以在液体中操作,可以实现具有原子级分辨能力的生物样品的元素分析和化学状态分析。 因此,样品表面的原子被量子束照射,例如具有给定的元素的电子跃迁能量特性的带电粒子,电子和光子,并且已经用量子束照射样品表面的原子之间的相互作用力的任何变化,以及 检测探头的远端。

    FUEL CELL ANODE CATALYST AND MANUFACTURING METHOD THEREFOR
    3.
    发明申请
    FUEL CELL ANODE CATALYST AND MANUFACTURING METHOD THEREFOR 审中-公开
    燃料电池阳极催化剂及其制造方法

    公开(公告)号:US20140017594A1

    公开(公告)日:2014-01-16

    申请号:US14007325

    申请日:2012-03-21

    IPC分类号: H01M4/90

    摘要: Provided is a fuel cell anode catalyst in which a platinum-ruthenium alloy is supported on a carbon material, and a manufacturing method therefor. The molar ratio (Pt:Ru) of the alloy is in the range of 1:1-5. When the coordination numbers of the Pt atom and the Ru atom of an atom site in the alloy, as measured by x-ray absorption fine structure, are expressed as N(Pt) and N(Ru) respectively, then N(Ru)/(N(Pt)+N(Ru)) in the platinum site is in the range of 0.8-1.1 times the theoretical value, and N(Pt)/(N(Ru)+N(Pt)) in the Ru site is in the range of 0.8-1.1 times the theoretical value. The average particle diameter of the alloy is in the range of 1-5 nm, and the standard deviation for the particle diameter is in the range of 2 nm or lower. Further provided is: a fuel cell anode with an anode composition layer, on a substrate surface, which contains the catalyst and a proton conductive polymer; a fuel cell membrane electrode assembly with a polymer electrolyte membrane sandwiched between the anode and a cathode; and a fuel cell containing the fuel cell membrane electrode assembly.

    摘要翻译: 提供一种其中铂 - 钌合金负载在碳材料上的燃料电池阳极催化剂及其制造方法。 合金的摩尔比(Pt:Ru)在1:1-5的范围内。 当通过x射线吸收精细结构测量的合金中原子部位的Pt原子和Ru原子的配位数分别表示为N(Pt)和N(Ru)时,则N(Ru)/ (N(Pt)+ N(Ru))在理论值的0.8-1.1倍的范围内,Ru部位的N(Pt)+ N(Ru) 在理论值的0.8-1.1倍的范围内。 合金的平均粒径在1-5nm的范围内,粒径的标准偏差在2nm以下的范围内。 进一步提供:具有阳极组成层的燃料电池阳极,在基材表面上,其含有催化剂和质子传导性聚合物; 具有夹在阳极和阴极之间的聚合物电解质膜的燃料电池膜电极组件; 以及包含燃料电池膜电极组件的燃料电池。

    Selective oxidation catalyst process for preparing the catalyst and
process using the catalyst
    4.
    发明授权
    Selective oxidation catalyst process for preparing the catalyst and process using the catalyst 失效
    选择性氧化催化剂制备催化剂及使用催化剂的方法

    公开(公告)号:US5864051A

    公开(公告)日:1999-01-26

    申请号:US966738

    申请日:1997-11-10

    CPC分类号: C07C45/33 B01J23/6445

    摘要: A catalyst for the selective oxidation of alkanes and alkenes has been developed. The catalyst consists of a noble metal component such as platinum and a SbOx component. A unique feature of the catalyst is that the noble metal component is present as particles of which from about 1 to about 30 mole % of each particle is in the form of a noble metal/Sb alloy. Optionally a modifier and/or a refractory inorganic oxide may also be added to the catalyst. A process for preparing the catalyst is also presented.

    摘要翻译: 已经开发了用于选择性氧化烷烃和烯烃的催化剂。 催化剂由贵金属组分如铂和SbO x组分组成。 催化剂的独特特征在于,贵金属组分以颗粒形式存在,其中每个颗粒的约1至约30摩尔%为贵金属/ Sb合金的形式。 任选地,还可以向催化剂中加入改性剂和/或耐火无机氧化物。 还提出了制备催化剂的方法。