Patents by Inventor Longwei YIN

Longwei YIN 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).

  • ORGANIC-INORGANIC PEROVSKITE SOLAR CELL WITH DIRECTIONAL ARRANGEMENT OF INTRINSIC PEROVSKITE DIPOLES AND PREPARATION METHOD THEREOF
    Publication number: 20240114759
    Abstract: An organic-inorganic perovskite solar cell with directional arrangement of intrinsic perovskite dipoles is provided, and includes a conductive substrate, an electron transport layer, a perovskite film with directional arrangement of intrinsic dipoles, a hole transport layer and a metal counter electrode arranged from bottom to top; or the conductive substrate, the perovskite film with directional arrangement of intrinsic dipoles, the hole transport layer and the metal counter electrode arranged from bottom to top; a preparation method of the perovskite film includes: adding sulfonamide into perovskite precursor solution, and evenly mixing; spin coating on the electron transport layer or the conductive substrate and annealing.
    Type: Application
    Filed: August 28, 2023
    Publication date: April 4, 2024
    Inventors: Longwei Yin, Yutong Wu
  • Efficient and stable inorganic lead-free perovskite solar cell and method for preparing the same
    Patent number: 11823849
    Abstract: The disclosure provides an efficient and stable inorganic lead-free perovskite solar cell and a method for preparing the same. The solar cell includes a conductive substrate, a PEDOT: PSS layer, an inorganic lead-free CsSnI3 perovskite layer, a C60 layer, a BCP layer, and a metal counter electrode layer arranged in order from bottom to top, wherein the inorganic lead-free CsSnI3 perovskite layer is a CsSnI3 perovskite layer passivated by a thioureas small-molecule organic compound.
    Type: Grant
    Filed: November 16, 2021
    Date of Patent: November 21, 2023
    Assignee: Shandong University
    Inventors: Longwei Yin, Bo Li
  • Efficient And Stable Inorganic Lead-Free Perovskite Solar Cell And Method For Preparing The Same
    Publication number: 20220172904
    Abstract: The disclosure provides an efficient and stable inorganic lead-free perovskite solar cell and a method for preparing the same. The solar cell includes a conductive substrate, a PEDOT: PSS layer, an inorganic lead-free CsSnI3 perovskite layer, a C60 layer, a BCP layer, and a metal counter electrode layer arranged in order from bottom to top, wherein the inorganic lead-free CsSnI3 perovskite layer is a CsSnI3 perovskite layer passivated by a thioureas small-molecule organic compound.
    Type: Application
    Filed: November 16, 2021
    Publication date: June 2, 2022
    Applicant: Shandong University
    Inventors: Longwei YIN, Bo LI