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    SILICON SUBSTRATES WITH DOPED SURFACE CONTACTS FORMED FROM DOPED SILICON BASED INKS AND CORRESPONDING PROCESSES
    49.
    发明申请
    SILICON SUBSTRATES WITH DOPED SURFACE CONTACTS FORMED FROM DOPED SILICON BASED INKS AND CORRESPONDING PROCESSES 审中-公开
    具有由基于硅的墨水和相应工艺形成的掺杂表面的硅基材

    公开(公告)号：US20140162445A1

    公开(公告)日：2014-06-12

    申请号：US14180600

    申请日：2014-02-14

    Applicant: NanoGram Corporation

    Inventor： Guojun Liu ,  Uma Srinivasan ,  Shivkumar Chiruvolu

    IPC: H01L21/225

    CPC classification number: H01L21/2252 ,  B82Y30/00 ,  H01L21/2225 ,  H01L21/228 ,  H01L31/068 ,  H01L31/0682 ,  H01L31/1804 ,  Y02E10/52 ,  Y02E10/547 ,  Y02P70/521

    Abstract: The use of doped silicon nanoparticle inks and other liquid dopant sources can provide suitable dopant sources for driving dopant elements into a crystalline silicon substrate using a thermal process if a suitable cap is provided. Suitable caps include, for example, a capping slab, a cover that may or may not rest on the surface of the substrate and a cover layer. Desirable dopant profiled can be achieved. The doped nanoparticles can be delivered using a silicon ink. The residual silicon ink can be removed after the dopant drive-in or at least partially densified into a silicon material that is incorporated into the product device. The silicon doping is suitable for the introduction of dopants into crystalline silicon for the formation of solar cells.

    Abstract translation: 使用掺杂的硅纳米颗粒油墨和其它液体掺杂剂源可以提供合适的掺杂剂源，以便如果提供合适的盖，则使用热处理将掺杂剂元素驱动到晶体硅衬底中。 合适的帽包括例如盖板，可以或可以不搁置在基材表​​面上的盖和覆盖层。 可以实现期望的掺杂剂。 可以使用硅油墨递送掺杂的纳米颗粒。 在掺杂剂驱入或至少部分致密化成掺入产品装置的硅材料之后，可以除去残留的硅油墨。 硅掺杂适用于将掺杂剂引入结晶硅以形成太阳能电池。

    STRUCTURES INCORPORATING SILICON NANOPARTICLE INKS, DENSIFIED SILICON MATERIALS FROM NANOPARTICLE SILICON DEPOSITS AND CORRESPONDING METHODS
    50.
    发明申请
    STRUCTURES INCORPORATING SILICON NANOPARTICLE INKS, DENSIFIED SILICON MATERIALS FROM NANOPARTICLE SILICON DEPOSITS AND CORRESPONDING METHODS 审中-公开
    从纳米级硅沉积物中掺入硅纳米管，掺杂硅材料的结构及相关方法

    公开(公告)号：US20140151706A1

    公开(公告)日：2014-06-05

    申请号：US14175561

    申请日：2014-02-07

    Applicant: NanoGram Corporation

    Inventor： Guojun Liu ,  Shivkumar Chiruvolu ,  Weidong Li ,  Uma Srinivasan

    IPC: H01L29/04 ,  H01L21/02

    CPC classification number: H01L29/04 ,  H01L21/02104 ,  H01L21/02532 ,  H01L21/0259 ,  H01L21/02601 ,  H01L21/0262 ,  H01L21/02628 ,  H01L21/2225 ,  H01L21/2257 ,  H01L21/67115 ,  H01L31/028 ,  H01L31/035218 ,  H01L31/068 ,  H01L31/0682 ,  H01L31/1804 ,  Y02E10/547 ,  Y02P70/521

    Abstract: Silicon nanoparticle inks provide a basis for the formation of desirable materials. Specifically, composites have been formed in thin layers comprising silicon nanoparticles embedded in an amorphous silicon matrix, which can be formed at relatively low temperatures. The composite material can be heated to form a nanocrystalline material having crystals that are non-rod shaped. The nanocrystalline material can have desirable electrical conductive properties, and the materials can be formed with a high dopant level. Also, nanocrystalline silicon pellets can be formed from silicon nanoparticles deposited form an ink in which the pellets can be relatively dense although less dense than bulk silicon. The pellets can be formed from the application of pressure and heat to a silicon nanoparticle layer. The materials described herein can be effectively used for the formation of doped contacts for crystalline silicon solar cells, thin film silicon solar cells, electronic devices, such as printed electronics, and other useful products.

    Abstract translation: 硅纳米颗粒油墨为形成所需材料提供了基础。 具体地说，复合材料已经形成在包含可以在较低温度下形成的非晶硅基质中的硅纳米颗粒的薄层。 可以将复合材料加热以形成具有非棒状晶体的纳米晶体材料。 纳米晶体材料可以具有期望的导电性能，并且可以以高掺杂剂水平形成材料。 此外，纳米晶硅颗粒可以由沉积成油墨的硅纳米颗粒形成，其中颗粒可以相对致密，尽管比体硅密度小。 颗粒可以由压力和热量施加到硅纳米颗粒层上形成。 本文所述的材料可以有效地用于晶体硅太阳能电池，薄膜硅太阳能电池，诸如印刷电子器件的电子器件以及其他有用产品的掺杂触点的形成。

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