Patents by Inventor Bryan A. Rosales

Bryan A. Rosales 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).

  • Solvent-free, solid phase synthesis of hybrid lead halide perovskites with superior purity
    Patent number: 10872734
    Abstract: A method of synthesizing a mixed-halide perovskite is disclosed herein. The method includes the steps of mixing a first single-halide perovskite and a second single-halide perovskite to form a solid phase mixture and heating the solid phase mixture at a temperature below a first decomposition temperature of the first single-halide perovskite and below a second decomposition temperature of the second single-halide perovskite for a time sufficient to form the mixed-halide perovskite. During the mixing, the first and second single-halide perovskite are both in the solid phase. A mixed-halide perovskite made according to the method is also disclosed herein. The mixed-halide perovskite is free of amorphous and/or semicrystalline phases. The mixed-halide perovskite can be utilized in a photovoltaic cell in a solar panel.
    Type: Grant
    Filed: December 26, 2017
    Date of Patent: December 22, 2020
    Assignee: Iowa State University Research Foundation, Inc.
    Inventors: Javier Vela-Becerra, Bryan A. Rosales
  • SOLVENT-FREE, SOLID PHASE SYNTHESIS OF HYBRID LEAD HALIDE PEROVSKITES WITH SUPERIOR PURITY
    Publication number: 20180204682
    Abstract: A method of synthesizing a mixed-halide perovskite is disclosed herein. The method includes the steps of mixing a first single-halide perovskite and a second single-halide perovskite to form a solid phase mixture and heating the solid phase mixture at a temperature below a first decomposition temperature of the first single-halide perovskite and below a second decomposition temperature of the second single-halide perovskite for a time sufficient to form the mixed-halide perovskite. During the mixing, the first and second single-halide perovskite are both in the solid phase. A mixed-halide perovskite made according to the method is also disclosed herein. The mixed-halide perovskite is free of amorphous and/or semicrystalline phases. The mixed-halide perovskite can be utilized in a photovoltaic cell in a solar panel.
    Type: Application
    Filed: December 26, 2017
    Publication date: July 19, 2018
    Applicant: Iowa State University Research Foundation, Inc.
    Inventors: Javier Vela-Becerra, Bryan A. Rosales