Patents by Inventor Markus Gloeckler

Markus Gloeckler has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 10319873
    Abstract: A photovoltaic cell can include a dopant in contact with a semiconductor layer.
    Type: Grant
    Filed: January 13, 2016
    Date of Patent: June 11, 2019
    Assignee: First Solar, Inc.
    Inventors: Rick C. Powell, Upali Jayamaha, Anke Abken, Markus Gloeckler, Akhlesh Gupta, Roger T. Green, Peter Meyers
  • Patent number: 10056507
    Abstract: Methods and devices are described for a photovoltaic device and substrate structure. In one embodiment, a photovoltaic device includes a substrate structure and a CdTe absorber layer, the substrate structure including a Zn1-xMgxO window layer and a low conductivity buffer layer. Another embodiment is directed to a process for manufacturing a photovoltaic device including forming a Zn1-xMgxO window layer over a substrate by at least one of sputtering, evaporation deposition, CVD, chemical bath deposition process and vapor transport deposition process. The process including forming a CdTe absorber layer above the Zn1-xMgxO window layer.
    Type: Grant
    Filed: June 16, 2015
    Date of Patent: August 21, 2018
    Assignee: Frist Solar, Inc.
    Inventors: Rui Shao, Markus Gloeckler
  • Patent number: 10026861
    Abstract: An improved photovoltaic device and methods of manufacturing the same that includes an interface layer adjacent to a semiconductor absorber layer, where the interface layer includes a material in the semiconductor layer which decreases in concentration from the side of the interface layer contacting the absorber layer to an opposite side of the interface layer.
    Type: Grant
    Filed: October 16, 2012
    Date of Patent: July 17, 2018
    Assignee: First Solar, Inc.
    Inventors: Igor Sankin, Markus Gloeckler, Benyamin Buller, Kieran Tracy
  • Patent number: 9799784
    Abstract: A photovoltaic device is disclosed including at least one Cadmium Sulfide Telluride (CdSxTe1?x) layer as are methods of forming such a photovoltaic device.
    Type: Grant
    Filed: March 13, 2014
    Date of Patent: October 24, 2017
    Assignee: First Solar, Inc.
    Inventors: Arnold Allenic, Zhigang Ban, Benyamin Buller, Markus Gloeckler, Benjamin Milliron, Xilin Peng, Rick C. Powell, Jigish Trivedi, Oomman K. Varghese, Jianjun Wang, Zhibo Zhao
  • Publication number: 20170288073
    Abstract: Methods and devices are described for a photovoltaic device. The photovoltaic device includes a glass substrate, a semiconductor absorber layer formed over the glass substrate, a metal back contact layer formed over the semiconductor absorber layer, and a p-type back contact buffer layer formed from one of MnTe, Cd1-xMnxTe, and SnTe, the buffer layer disposed between the semiconductor absorber layer and the metal back contact layer.
    Type: Application
    Filed: June 12, 2017
    Publication date: October 5, 2017
    Applicant: First Solar, Inc.
    Inventors: Benyamin Buller, Markus Gloeckler, Akhlesh Gupta, Rick Powell, Rui Shao, Gang Xiong, Ming Lun Yu, Zhibo Zhao
  • Publication number: 20170133246
    Abstract: A method and apparatus for forming a crystalline cadmium stannate layer of a photovoltaic device by heating an amorphous layer in the presence of hydrogen gas.
    Type: Application
    Filed: December 28, 2015
    Publication date: May 11, 2017
    Inventors: Benyamin Buller, Markus Gloeckler, David Hwang, Rui Shao, Zhibo Zhao
  • Patent number: 9640679
    Abstract: A method of manufacturing a photovoltaic device may include concurrently transforming a transparent conductive oxide layer from a substantially amorphous state to a substantially crystalline state and forming one or more semiconductor layers.
    Type: Grant
    Filed: August 11, 2011
    Date of Patent: May 2, 2017
    Assignee: FIRST SOLAR, INC.
    Inventors: Benyamin Buller, Markus Gloeckler, Rui Shao, Yu Yang, Zhibo Zhao, Chungho Lee
  • Publication number: 20170104110
    Abstract: Described herein is a method of using the buffer layer of a transparent conductive substrate as a dopant source for the n-type window layer of a photovoltaic device. The dopant source of the buffer layer distributes to the window layer of the photovoltaic device during semiconductor processing. Described herein are also methods of manufacturing embodiments of the substrate structure and photovoltaic device. Disclosed embodiments also describe a photovoltaic module and a photovoltaic structure with a plurality of photovoltaic devices having an embodiment of the substrate structure.
    Type: Application
    Filed: December 19, 2016
    Publication date: April 13, 2017
    Inventor: Markus Gloeckler
  • Publication number: 20170054052
    Abstract: A method for producing, apparatus for producing and photovoltaic device including semiconductor layers with halide heat treated surfaces that increase grain growth within at least one of the semiconductor layers and improve the interface between the semiconductor layers. The halide heat treatment includes applying and heating multiple coatings of a halide compound on surfaces adjacent to or part of the semiconductor layers.
    Type: Application
    Filed: November 3, 2016
    Publication date: February 23, 2017
    Inventors: Markus Gloeckler, Akhlesh Gupta, Xilin Peng, Rick C. Powell, Jigish Trivedi, Jianjun Wang, Zhibo Zhao
  • Patent number: 9559247
    Abstract: Described herein is a method of using the buffer layer of a transparent conductive substrate as a dopant source for the n-type window layer of a photovoltaic device. The dopant source of the buffer layer distributes to the window layer of the photovoltaic device during semiconductor processing. Described herein are also methods of manufacturing embodiments of the substrate structure and photovoltaic device. Disclosed embodiments also describe a photovoltaic module and a photovoltaic structure with a plurality of photovoltaic devices having an embodiment of the substrate structure.
    Type: Grant
    Filed: September 14, 2011
    Date of Patent: January 31, 2017
    Assignee: First Solar, Inc.
    Inventor: Markus Gloeckler
  • Patent number: 9525381
    Abstract: An apparatus and a method for testing and/or conditioning photovoltaic modules. The apparatus includes a set of contacts for contacting electrical conductors of the module and a testing and/or conditioning system for testing and/or conditioning of the module and measuring parameters associated therewith.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: December 20, 2016
    Assignee: First Solar, Inc.
    Inventors: Imran Khan, Markus Gloeckler, Thomas Truman, Scott Jacoby, Michael Sweet, Jigish Trivedi, James E. Hinkle, Stephen P. Murphy
  • Patent number: 9406829
    Abstract: A method to improve operation of a CdTe-based photovoltaic device is disclosed, the method comprising the steps of depositing a semiconductor absorber layer adjacent to a substrate, depositing a semiconductor buffer layer adjacent to the semiconductor layer, and annealing at least one of the semiconductor absorber layer and the semiconductor buffer layer with one of a laser and a flash lamp.
    Type: Grant
    Filed: June 27, 2014
    Date of Patent: August 2, 2016
    Assignee: First Solar, Inc.
    Inventors: Pratima Addepalli, Benyamin Buller, Markus Gloeckler, Akhlesh Gupta, David Hwang, Andrei Los, Rick Powell, Rui Shao, Gang Xiong, Ming Lun Yu, San Yu, Zhibo Zhao
  • Publication number: 20160197226
    Abstract: A method and apparatus are disclosed in which cadmium chloride is deposited on a cadmium telluride layer while simultaneously heat treating the cadmium telluride layer.
    Type: Application
    Filed: March 14, 2016
    Publication date: July 7, 2016
    Inventors: Akhlesh Gupta, Markus Gloeckler, Rick C. Powell
  • Publication number: 20160126398
    Abstract: A photovoltaic cell can include a dopant in contact with a semiconductor layer.
    Type: Application
    Filed: January 13, 2016
    Publication date: May 5, 2016
    Inventors: Rick C. Powell, Upali Jayamaha, Anke Abken, Markus Gloeckler, Akhlesh Gupta, Roger T. Green, Peter Meyers
  • Publication number: 20160126396
    Abstract: A photovoltaic device includes a substrate structure and at least one Se-containing layer, such as a CdSeTe layer. A process for manufacturing the photovoltaic device includes forming the CdSeTe layer over a substrate by at least one of sputtering, evaporation deposition, CVD, chemical bath deposition process, and vapor transport deposition process. The process can also include controlling a thickness range of the Se-containing layer.
    Type: Application
    Filed: January 22, 2015
    Publication date: May 5, 2016
    Inventors: Dan Damjanovic, Markus Gloeckler, Feng Liao, Andrei Los, Dan Mao, Benjamin Milliron, Gopal Mor, Rick Powell, Kenneth Ring, Aaron Roggelin, Jigish Trivedi, Zhibo Zhao
  • Publication number: 20160126395
    Abstract: A photovoltaic device includes a substrate structure and at least one Se-containing layer, such as a CdSeTe layer. A process for manufacturing the photovoltaic device includes forming the CdSeTe layer over a substrate by at least one of sputtering, evaporation deposition, CVD, chemical bath deposition process, and vapor transport deposition process. The process can also include controlling a thickness range of the Se-containing layer.
    Type: Application
    Filed: November 3, 2014
    Publication date: May 5, 2016
    Inventors: Dan Damjanovic, Markus Gloeckler, Feng Liao, Andrei Los, Dan Mao, Benjamin Milliron, Gopal Mor, Rick Powell, Kenneth Ring, Aaron Roggelin, Jigish Trivedi, Zhibo Zhao
  • Patent number: 9318642
    Abstract: A method and apparatus are disclosed in which cadmium chloride is deposited on a cadmium telluride layer while simultaneously heat treating the cadmium telluride layer.
    Type: Grant
    Filed: November 16, 2012
    Date of Patent: April 19, 2016
    Assignee: FIRST SOLAR, INC.
    Inventors: Akhlesh Gupta, Markus Gloeckler, Ricky C. Powell
  • Patent number: 9263608
    Abstract: A photovoltaic cell can include a dopant in contact with a semiconductor layer.
    Type: Grant
    Filed: October 31, 2008
    Date of Patent: February 16, 2016
    Assignee: First Solar, Inc.
    Inventors: Rick C. Powell, Upali Jayamaha, Anke Abken, Markus Gloeckler, Akhlesh Gupta, Roger T. Green, Peter Meyers
  • Patent number: 9236523
    Abstract: A method and apparatus for forming a crystalline cadmium stannate layer of a photovoltaic device by heating an amorphous layer in the presence of hydrogen gas.
    Type: Grant
    Filed: March 5, 2013
    Date of Patent: January 12, 2016
    Assignee: FIRST SOLAR, INC
    Inventors: Benyamin Buller, Markus Gloeckler, David Hwang, Rui Shao, Zhibo Zhao
  • Publication number: 20150380600
    Abstract: A method of doping solar cell front contact can improve the efficiency of CdTe-based or other kinds of solar cells.
    Type: Application
    Filed: September 3, 2015
    Publication date: December 31, 2015
    Inventors: Benyamin Buller, Markus Gloeckler, Rui Shao