Patents Assigned to Board of Trustees of Northers Illinois University
  • Doped perovskite having improved stability, and solar cells made thereof
    Patent number: 11437595
    Abstract: A light-harvesting material comprises a perovskite absorber doped with a metal chalcogenide. The light-harvesting material may be used in a photovoltaic device, comprising (1) a first conductive layer, (2) an optional blocking layer, on the first conductive layer, (3) a semiconductor layer, on the first conductive layer, (4) a light-harvesting material, on the semiconductor layer, (5) a hole transport material, on the light-harvesting material, and (6) a second conductive layer, on the hole transport material.
    Type: Grant
    Filed: July 10, 2019
    Date of Patent: September 6, 2022
    Assignee: Board of Trustees of Northers Illinois University
    Inventor: Tao Xu
  • Electrochromic device having three-dimensional electrode
    Patent number: 10281791
    Abstract: An electrochromic device comprises (i) a conductive layer, (ii) an electrochromic material, on the conductive layer, (iii) an electrolyte, on the electrochromic material, and (iv) a counter-electrode, on the electrolyte. The conductive layer has a surface roughness factor (SRF) of at least 10, and the conductive layer comprises a semi-metal.
    Type: Grant
    Filed: July 12, 2016
    Date of Patent: May 7, 2019
    Assignee: Board of Trustees of Northers Illinois University
    Inventor: Tao Xu