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    Transparent conductive coatings based on metal nanowires and polymer binders, solution processing thereof, and patterning approaches
    3.
    发明授权
    Transparent conductive coatings based on metal nanowires and polymer binders, solution processing thereof, and patterning approaches 有权

    公开(公告)号：US11274223B2

    公开(公告)日：2022-03-15

    申请号：US14087669

    申请日：2013-11-22

    申请人： C3Nano Inc.

    发明人： Xiqiang Yang ,  Ying-Syi Li ,  Yungyu Huang ,  Chris Scully ,  Clifford M. Morris ,  Ajay Virkar

    IPC分类号： C09D11/52 ,  H05K1/09 ,  C09D11/08 ,  C09D11/10 ,  H05K3/10 ,  C09D11/38 ,  H05K3/12

    摘要： Polymer binders, e.g., crosslinked polymer binders, have been found to be an effective film component in creating high quality transparent electrically conductive coatings or films comprising metal nanostructured networks. The metal nanowire films can be effectively patterned and the patterning can be performed with a high degree of optical similarity between the distinct patterned regions. Metal nanostructured networks are formed through the fusing of the metal nanowires to form conductive networks. Methods for patterning include, for example, using crosslinking radiation to pattern crosslinking of the polymer binder. The application of a fusing solution to the patterned film can result in low resistance areas and electrically resistive areas. After fusing, the network can provide desirable low sheet resistances while maintaining good optical transparency and low haze. A polymer overcoat can further stabilize conductive films and provide desirable optical effects. The patterned films can be useful in devices, such as touch sensors.

    METAL NANOSTRUCTURED NETWORKS AND TRANSPARENT CONDUCTIVE MATERIAL
    9.
    发明申请
    METAL NANOSTRUCTURED NETWORKS AND TRANSPARENT CONDUCTIVE MATERIAL 审中-公开

    公开(公告)号：US20200377744A1

    公开(公告)日：2020-12-03

    申请号：US16994519

    申请日：2020-08-14

    申请人： C3Nano Inc.

    发明人： Ajay Virkar ,  Ying-Syi Li ,  Xiqiang Yang ,  Melburne C. LeMieux

    IPC分类号： C09D11/037 ,  H01B1/02 ,  H01L31/18 ,  C09D11/322 ,  C09D11/52 ,  G06F3/041 ,  H01L31/0224

    摘要： Metal nanowires, such as silver nanowires coated on a substrate were sintered together to form fused metal nanowire networks that have greatly improved conductivity while maintaining good transparency and low haze. The method of forming such a fused metal nanowire networks are disclosed that involves exposure of metal nanowires to various fusing agents on a short timescale. The resulting sintered network can have a core-shell structure in which metal halide forms the shell. Additionally, effective methods are described for forming patterned structure with areas of sintered metal nanowire network with high conductivity and areas of un-sintered metal nanowires with low conductivity. The corresponding patterned films are also described. When formed into a film, materials comprising the metal nanowire network demonstrate low sheet resistance while maintaining desirably high levels of optical transparency with low haze, making them suitable for transparent electrode, touch sensors, and other electronic/optical device formation.