公开(公告)号：US08039291B2

公开(公告)日：2011-10-18

申请号：US12816205

申请日：2010-06-15

Applicant: Arthur Cornfeld ,  Tansen Varghese ,  Jacqueline Diaz

Inventor： Arthur Cornfeld ,  Tansen Varghese ,  Jacqueline Diaz

IPC: H01L21/00

CPC classification number: H01L31/0735 ,  H01L31/06875 ,  H01L31/0725 ,  H01L31/078 ,  H01L31/18 ,  H01L31/1892 ,  Y02E10/544

Abstract: A method of forming a multijunction solar cell including an upper subcell, a middle subcell, and a lower subcell by providing a first substrate for the epitaxial growth of semiconductor material; forming a first solar subcell on the substrate having a first band gap; forming a second solar subcell over the first solar subcell having a second band gap smaller than the first band gap; forming a graded interlayer over the second subcell; forming a third solar subcell over the graded interlayer having a fourth band gap smaller than the second band gap such that the third subcell is lattice mismatched with respect to the second subcell; attaching a surrogate second substrate over the third solar subcell and removing the first substrate; and etching a first trough around the periphery of the solar cell to the surrogate second substrate so as to form a mesa structure on the surrogate second substrate and facilitate the removal of the solar cell from the surrogate second substrate.

Abstract translation: 一种通过提供用于半导体材料的外延生长的第一衬底来形成包括上部子电池，中间子电池和下部子电池的多结太阳能电池的方法; 在具有第一带隙的基板上形成第一太阳能子电池; 在所述第一太阳能子电池上形成具有小于所述第一带隙的第二带隙的第二太阳能子电池; 在所述第二子电池上形成分级中间层; 在所述渐变中间层上形成具有小于所述第二带隙的第四带隙的第三太阳能子电池，使得所述第三子电池相对于所述第二子电池晶格失配; 在所述第三太阳能子电池上附接替代的第二衬底并移除所述第一衬底; 以及将围绕所述太阳能电池的周边的第一槽蚀刻到所述代理第二基板，以便在所述替代第二基板上形成台面结构，并且便于从所述替代第二基板移除所述太阳能电池。

公开(公告)号：US07960201B2

公开(公告)日：2011-06-14

申请号：US12362201

申请日：2009-01-29

Applicant: Arthur Cornfeld ,  Jacqueline Diaz ,  Tansen Varghese

Inventor： Arthur Cornfeld ,  Jacqueline Diaz ,  Tansen Varghese

IPC: H01L21/00

CPC classification number: H01L31/06875 ,  H01L31/022425 ,  H01L31/03042 ,  H01L31/0693 ,  H01L31/1852 ,  Y02E10/544 ,  Y02P70/521

Abstract: A method of manufacturing a solar cell by providing a first substrate; depositing on a first substrate a sequence of layers of semiconductor material forming a solar cell including at least a top subcell and a bottom subcell; mounting a surrogate substrate on top of the sequence of layers adjacent to the bottom subcell; removing the first substrate to expose the surface of the top subcell; removing the surrogate substrate; and holding the solar cell on a vacuum chuck to support it for subsequent fabrication operations, such as attaching interconnects to the solar cells to form an interconnected array.

Abstract translation: 一种通过提供第一基板来制造太阳能电池的方法; 在第一衬底上沉积形成包括至少顶部子电池和底部子电池的太阳能电池的半导体材料层序列; 将代替衬底安装在与底部子电池相邻的层序列的顶部上; 去除第一基板以暴露顶部子电池的表面; 去除替代底物; 并且将太阳能电池保持在真空吸盘上以支持其用于随后的制造操作，例如将互连件附接到太阳能电池以形成互连的阵列。

公开(公告)号：US20110017285A1

公开(公告)日：2011-01-27

申请号：US12507996

申请日：2009-07-23

Applicant: Arthur Cornfeld ,  Tansen Varghese

Inventor： Arthur Cornfeld ,  Tansen Varghese

IPC: H01L31/00 ,  H01L31/18

CPC classification number: H01L31/02366 ,  H01L31/048 ,  Y02E10/50

Abstract: A solar cell including a semiconductor body including at least one photoactive junction, and a textured layer or coverglass having a textured surface disposed over the top surface of the semiconductor body. The textured layer may be between 200 and 1800 nm in thickness, and may have a graded index of refraction.

Abstract translation: 一种太阳能电池，其包括包括至少一个光活性接合部的半导体本体，以及具有布置在半导体本体的顶表面上的纹理化表面的纹理化层或覆盖层。 纹理层的厚度可以在200和1800nm之间，并且可以具有渐变的折射率。

公开(公告)号：US20100233839A1

公开(公告)日：2010-09-16

申请号：US12362201

申请日：2009-01-29

Applicant: Arthur Cornfeld ,  Jacqueline Diaz ,  Tansen Varghese

Inventor： Arthur Cornfeld ,  Jacqueline Diaz ,  Tansen Varghese

IPC: H01L31/18

CPC classification number: H01L31/06875 ,  H01L31/022425 ,  H01L31/03042 ,  H01L31/0693 ,  H01L31/1852 ,  Y02E10/544 ,  Y02P70/521

Abstract: A method of manufacturing a solar cell by providing a first substrate; depositing on a first substrate a sequence of layers of semiconductor material forming a solar cell including at least a top subcell and a bottom subcell; mounting a surrogate substrate on top of the sequence of layers adjacent to the bottom subcell; removing the first substrate to expose the surface of the top subcell; removing the surrogate substrate; and holding the solar cell on a vacuum chuck to support it for subsequent fabrication operations, such as attaching interconnects to the solar cells to form an interconnected array.

Abstract translation: 一种通过提供第一基板来制造太阳能电池的方法; 在第一衬底上沉积形成包括至少顶部子电池和底部子电池的太阳能电池的半导体材料层序列; 将代替衬底安装在与底部子电池相邻的层序列的顶部上; 去除第一基板以暴露顶部子电池的表面; 去除替代底物; 并且将太阳能电池保持在真空吸盘上以支持其用于随后的制造操作，例如将互连件附接到太阳能电池以形成互连的阵列。

公开(公告)号：US20100041178A1

公开(公告)日：2010-02-18

申请号：US12190449

申请日：2008-08-12

Applicant: Arthur Cornfeld ,  Tansen Varghese ,  Jacqueline Diaz

Inventor： Arthur Cornfeld ,  Tansen Varghese ,  Jacqueline Diaz

IPC: H01L31/18

CPC classification number: H01L31/0735 ,  H01L31/06875 ,  H01L31/0725 ,  H01L31/078 ,  H01L31/18 ,  H01L31/1892 ,  Y02E10/544

Abstract: A method of forming a multifunction solar cell including an upper subcell, a middle subcell, and a lower subcell by providing a first substrate for the epitaxial growth of semiconductor material; forming a first solar subcell on the substrate having a first band gap; forming a second solar subcell over the first solar subcell having a second band gap smaller than the first band gap; forming a graded interlayer over the second subcell, the graded interlayer having a third band gap greater than the second band gap; forming a third solar subcell over the graded interlayer having a fourth band gap smaller than the second band gap such that the third subcell is lattice mismatched with respect to the second subcell; attaching a surrogate second substrate over the third solar subcell and removing the first substrate; and etching a first trough around the periphery of the solar cell to the surrogate second substrate so as to form a mesa structure on the surrogate second substrate and facilitate the removal of said solar cell from the surrogate second substrate.

Abstract translation: 一种通过提供用于半导体材料的外延生长的第一衬底来形成包括上部子电池，中间子电池和下部子电池的多结太阳能电池的方法; 在具有第一带隙的基板上形成第一太阳能子电池; 在所述第一太阳能子电池上形成具有小于所述第一带隙的第二带隙的第二太阳能子电池; 在所述第二子电池上形成渐变中间层，所述渐变中间层具有大于所述第二带隙的第三带隙; 在所述渐变中间层上形成具有小于所述第二带隙的第四带隙的第三太阳能子电池，使得所述第三子电池相对于所述第二子电池晶格失配; 在所述第三太阳能子电池上附接替代的第二衬底并移除所述第一衬底; 以及将围绕所述太阳能电池的周边的第一槽蚀刻到所述代理第二基板，以便在所述替代第二基板上形成台面结构，并且便于从所述替代第二基板移除所述太阳能电池。

公开(公告)号：US08586859B2

公开(公告)日：2013-11-19

申请号：US13560663

申请日：2012-07-27

Applicant: Tansen Varghese

Inventor： Tansen Varghese

IPC: H01L31/042

CPC classification number: H01L31/078 ,  H01L27/1421 ,  H01L31/0475 ,  H01L31/048 ,  H01L31/0504 ,  H01L31/0508 ,  H01L31/0687 ,  H01L31/06875 ,  H01L31/1892 ,  Y02E10/544

Abstract: A method of forming a plurality of discrete, interconnected solar cells mounted on a carrier by providing a first semiconductor substrate; depositing on the first substrate a sequence of layers of semiconductor material forming a solar cell structure; forming a metal back contact layer over the solar cell structure; mounting a carrier on top of the metal back contact; removing the first substrate; and lithographically patterning and etching the solar cell structure to form a plurality of discrete solar cells mounted on the carrier.

Abstract translation: 一种通过提供第一半导体衬底形成安装在载体上的多个分立的互连太阳能电池的方法; 在第一衬底上沉积形成太阳能电池结构的半导体材料层序列; 在所述太阳能电池结构上形成金属背接触层; 将载体安装在金属背接触件的顶部; 去除第一衬底; 并且光刻地图案化和蚀刻太阳能电池结构以形成安装在载体上的多个分立的太阳能电池。

公开(公告)号：US20100233838A1

公开(公告)日：2010-09-16

申请号：US12401137

申请日：2009-03-10

Applicant: Tansen Varghese

Inventor： Tansen Varghese

IPC: H01L21/50 ,  H01L21/20 ,  H01L21/304

CPC classification number: H01L21/6835 ,  H01L31/0392 ,  H01L31/03926 ,  H01L31/06875 ,  H01L31/1844 ,  H01L31/1852 ,  H01L31/1896 ,  Y02E10/544 ,  Y02P70/521

Abstract: According to an embodiment, a method of manufacturing a solar cell includes depositing a sequence of layers of semiconductor material forming at least one solar cell on a first substrate; temporarily bonding a flexible film to a support second substrate; permanently bonding the sequence of layers of semiconductor material to the flexible film so that the flexible film is interposed between the first and second substrates; thinning the first substrate while bonded to the support substrate to expose the sequence of layers of semiconductor material; and subsequently removing the support substrate from the flexible film.

Abstract translation: 根据实施例，制造太阳能电池的方法包括在第一基板上沉积形成至少一个太阳能电池的半导体材料层序列; 暂时将柔性膜粘合到支撑体第二基板上; 将半导体材料层的序列永久地接合到柔性膜，使得柔性膜插入在第一和第二基板之间; 在结合到支撑衬底上时使第一衬底细化以暴露半导体材料层的顺序; 随后从柔性膜移除支撑基板。

公开(公告)号：US20100203730A1

公开(公告)日：2010-08-12

申请号：US12367991

申请日：2009-02-09

Applicant: Arthur Cornfeld ,  Daniel McGlynn ,  Tansen Varghese

Inventor： Arthur Cornfeld ,  Daniel McGlynn ,  Tansen Varghese

IPC: H01L21/306

CPC classification number: H01L31/0735 ,  H01L31/06875 ,  H01L31/0725 ,  H01L31/1844 ,  Y02E10/544 ,  Y02P70/521

Abstract: A process for selectively freeing an epitaxial layer from a single crystal substrate upon which it was grown, by providing a first substrate; depositing a separation layer on said first substrate; depositing on said separation layer a sequence of layers of semiconductor material forming a solar cell; mounting and bonding a surrogate substrate on top of the sequence of layers; attaching a connecting link element to at least two opposed points on the periphery of the surrogate substrate; and etching said separation layer while applying tension to said link element so as to remove said epitaxial layer from said first substrate.

Abstract translation: 一种通过提供第一衬底从其生长的单晶衬底选择性地释放外延层的工艺; 在所述第一衬底上沉积分离层; 在所述分离层上沉积形成太阳能电池的半导体材料层序列; 在层序列的顶部上安装和粘贴替代衬底; 将连接连接元件附接到所述替代基板的周边上的至少两个相对的点; 以及在对所述连接元件施加张力的同时蚀刻所述分离层，以便从所述第一基底去除所述外延层。

公开(公告)号：US20100031994A1

公开(公告)日：2010-02-11

申请号：US12187477

申请日：2008-08-07

Applicant: Tansen Varghese

Inventor： Tansen Varghese

IPC: H01L31/042 ,  H01L31/18

CPC classification number: H01L31/078 ,  H01L27/1421 ,  H01L31/0475 ,  H01L31/048 ,  H01L31/0504 ,  H01L31/0508 ,  H01L31/0687 ,  H01L31/06875 ,  H01L31/1892 ,  Y02E10/544

Abstract: A method of forming a plurality of discrete, interconnected solar cells mounted on a carrier by providing a first semiconductor substrate; depositing on the first substrate a sequence of layers of semiconductor material forming a solar cell structure; forming a metal back contact layer over the solar cell structure; mounting a carrier on top of the metal back contact; removing the first substrate; and lithographically patterning and etching the solar cell structure to form a plurality of discrete solar cells mounted on the carrier.

Abstract translation: 一种通过提供第一半导体衬底形成安装在载体上的多个分立的互连太阳能电池的方法; 在第一衬底上沉积形成太阳能电池结构的半导体材料层序列; 在所述太阳能电池结构上形成金属背接触层; 将载体安装在金属背接触件的顶部; 去除第一衬底; 并且光刻地图案化和蚀刻太阳能电池结构以形成安装在载体上的多个分立的太阳能电池。

公开(公告)号：US20100012174A1

公开(公告)日：2010-01-21

申请号：US12218558

申请日：2008-07-16

Applicant: Tansen Varghese ,  Mark A. Stan ,  Arthur Cornfeld ,  Fred Newman ,  Allen A. Gray

Inventor： Tansen Varghese ,  Mark A. Stan ,  Arthur Cornfeld ,  Fred Newman ,  Allen A. Gray

IPC: H01L31/00 ,  H01L21/306 ,  H01L21/02

CPC classification number: H01L31/06875 ,  H01L21/02395 ,  H01L21/02433 ,  H01L21/02463 ,  H01L21/02538 ,  H01L31/078 ,  H01L31/1844 ,  Y02E10/544 ,  Y02P70/521

Abstract: A method of forming a multijunction solar cell including an upper subcell, a middle subcell, and a lower subcell by providing a substrate for the epitaxial growth of semiconductor material; forming a first solar subcell on the substrate having a first band gap; forming a second solar subcell over the first solar subcell having a second band gap smaller than the first band gap; forming a graded interlayer over the second subcell, the graded interlayer having a third band gap greater than the second band gap; forming a third solar subcell over the graded interlayer having a fourth band gap smaller than the second band gap such that the third subcell is lattice mismatched with respect to the second subcell; and forming a contact layer over the third subcell having a fifth band gap greater than at least the magnitude of the second band gap.

Abstract translation: 一种通过提供用于半导体材料的外延生长的衬底来形成包括上部子电池，中间子电池和下部子电池的多结太阳能电池的方法; 在具有第一带隙的基板上形成第一太阳能子电池; 在所述第一太阳能子电池上形成具有小于所述第一带隙的第二带隙的第二太阳能子电池; 在所述第二子电池上形成渐变中间层，所述渐变中间层具有大于所述第二带隙的第三带隙; 在所述渐变中间层上形成具有小于所述第二带隙的第四带隙的第三太阳能子电池，使得所述第三子电池相对于所述第二子电池晶格失配; 以及在第三子电池上形成具有大于至少第二带隙的幅度的第五带隙的接触层。