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    PHOTOCATALYTIC COLOR SWITCHING OF REDOX IMAGING NANOMATERIALS OF REWRITABLE MEDIA
    2.
    发明公开
    PHOTOCATALYTIC COLOR SWITCHING OF REDOX IMAGING NANOMATERIALS OF REWRITABLE MEDIA 审中-公开
    PHOTOKATALYTISCHE FARBUMSCHALTUNG VON REDOXBILDGEBUNGSNANOMATERIALIEN VON WIEDERBESCHREIBBAREN MEDIEN

    公开(公告)号：EP3210079A4

    公开(公告)日：2017-08-30

    申请号：EP15852045

    申请日：2015-10-20

    申请人： YIN YADONG ,  WANG WENSHOU

    发明人： YIN YADONG ,  WANG WENSHOU

    IPC分类号： G03C1/705 ,  G03C8/04 ,  G03C8/10

    CPC分类号： G03C1/705 ,  G03C1/64 ,  G03C1/732 ,  G03C1/74 ,  G03C1/775 ,  G03C8/04 ,  G03C8/10

    摘要： The production of photocatalytic color switching of redox imaging nanomaterials for rewritable media is disclosed. The new color switching system is based on photocatalytic redox reaction enabling reversible and considerably fast color switching in response to light irradiation. In accordance with an exemplary embodiment, the color switching system can include a photocatalyst and an imaging media. With the assistance of photocatalyst, UV light irradiation can rapidly reduce the redox imaging nanomaterials accompany with obvious color changing, while the resulting reduced system can be switched back to original color state through visible light irradiation or heating in air condition. The excellent performance of the new color switching system promises their potential use as an attractive rewritable media to meet increasing needs for sustainability and environmental protection.

    摘要翻译： 公开了用于可重写介质的氧化还原成像纳米材料的光催化颜色切换的产生。 新的颜色切换系统基于光催化氧化还原反应，可以在光照射的情况下实现可逆且相当快的颜色切换。 根据示例性实施例，颜色切换系统可以包括光催化剂和成像介质。 在光催化剂的帮助下，紫外光照射可以迅速降低氧化还原成像纳米材料伴随着明显的颜色变化，而通过可见光照射或在空气中加热所导致的还原系统可以切换回原始颜色状态。 新型色彩转换系统的卓越性能使其成为具有吸引力的可擦写介质，以满足日益增长的可持续发展和环境保护需求。

    ASSEMBLY OF MAGNETICALLY TUNABLE PHOTONIC CRYSTALS IN NONPOLAR SOLVENTS
    4.
    发明公开
    ASSEMBLY OF MAGNETICALLY TUNABLE PHOTONIC CRYSTALS IN NONPOLAR SOLVENTS 有权
    安排在非极性溶剂MAGNETIC可调光子晶体的

    公开(公告)号：EP2398734A4

    公开(公告)日：2013-07-10

    申请号：EP10744084

    申请日：2010-02-23

    申请人： UNIV CALIFORNIA

    发明人： YIN YADONG ,  GE JIANPING

    IPC分类号： C01G49/08 ,  C09C1/24

    CPC分类号： C09C1/24 ,  C01G49/08 ,  C01P2006/42

    摘要： A method of assembling superparamagnetic colloids into ordered structures with magnetically tunable photonic properties in nonpolar solvents by establishing long-range electrostatic repulsive forces using charge control agents. Reverse micelles resulted from the introduction of charge control agents such as AOT molecules can enhance the charge separation on the surfaces of n-octadecyltrimethoxysilane modified Fe3O4@SiO2 particles. The significantly improved long-range electrostatic repulsion can counterbalance the magnetically induced attraction and therefore allow ordering of superparamagnetic colloids in nonpolar solvents. This system possesses fast and fully reversible optical response to the external magnetic fields, long-term stability in performance, and good diffraction intensity.

    PLASMONIC NANOPARTICLE-BASED COLORIMETRIC STRESS MEMORY SENSOR
    7.
    发明公开
    PLASMONIC NANOPARTICLE-BASED COLORIMETRIC STRESS MEMORY SENSOR 审中-公开

    公开(公告)号：EP3126779A4

    公开(公告)日：2017-11-15

    申请号：EP15772268

    申请日：2015-04-06

    申请人： UNIV CALIFORNIA

    发明人： YIN YADONG ,  HAN XIAOGANG ,  LIU YIDING

    IPC分类号： G01L1/24 ,  B82Y30/00

    CPC分类号： G01L1/247 ,  B82Y20/00 ,  B82Y30/00

    摘要： The development of a stress-responsive colorimetric film that can memorize the stress it has experienced is disclosed. The system can use the plasmonic shift associated with the disassembly of one-dimensional plasmonic nanoparticle chains driven by the plastic deformation of the surrounding polymer matrix. By modifying the plasticity of the polymer, the plasmonic shift and colorimetric change can respond to a large range of stresses. The pressure indicating film can be used to capture and record the pressure distribution and magnitude between two contacting or impacting surfaces by outputting color information.

    DIRECT ASSEMBLY OF HYDROPHOBIC NANOPARTICLES TO MULTIFUNCTION STRUCTURES
    9.
    发明公开
    DIRECT ASSEMBLY OF HYDROPHOBIC NANOPARTICLES TO MULTIFUNCTION STRUCTURES 审中-公开
    采用直接安排疏水性纳米粒子多的功能结构

    公开(公告)号：EP2726191A4

    公开(公告)日：2015-07-15

    申请号：EP12807741

    申请日：2012-07-02

    申请人： UNIV CALIFORNIA

    发明人： YIN YADONG ,  LU ZHENDA

    IPC分类号： B01J13/00 ,  B01J13/22 ,  B82Y40/00

    CPC分类号： B01J13/22 ,  B82Y30/00 ,  C01B19/04 ,  C01B33/18 ,  C01F17/0031 ,  C01G49/08 ,  C01P2002/82 ,  C01P2002/84 ,  C01P2004/04 ,  C01P2004/32 ,  C09C1/24

    摘要： A process that allows convenient production of multifunctional composite particles by direct self-assembly of hydrophobic nanoparticles on host nanostructures containing high density surface thiol groups is present. Hydrophobic nanoparticles of various compositions and combinations can be directly assembled onto the host surface through the strong coordination interactions between metal cations and thiol groups. The resulting structures can be further conveniently overcoated with a layer of normal silica to stabilize the assemblies and render them highly dispersible in water for biomedical applications. As the entire fabrication process does not involve complicated surface modification procedures, the hydrophobic ligands on the nanoparticles are not disturbed significantly so that they retain their original properties such as highly efficient luminescence. Multifunctional nonspherical nanostructures can be produced by using mercapto-silica coated nano-objects of arbitrary shapes as hosts for immobilizing functional nanoparticles. Multilayer structures can be achieved by repeating the mercapto-silica coating and nanoparticle immobilization processes.