Patents by Inventor Wenbo Jia

Wenbo Jia 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).

  • Preparation method of perovskite film based on SEM-HCl additive and of photovoltaic device
    Patent number: 11968886
    Abstract: A preparation method of perovskite film based on semicarbazide hydrochloride (SEM-HCl) additive and a preparation method of photovoltaic device are provided, a perovskite optimized crystallization strategy is provided, a tin-based perovskite thin film is prepared based on a solution method, and a purpose of regulating and controlling perovskite crystallization is achieved by means of a cross-linking effect of special groups in SEM-HCl and perovskite components. Defects of crystals of the prepared perovskite film are reduced, the non-radiative recombination in a transmission process of carriers is suppressed, and a photoelectric conversion efficiency and a photovoltaic device stability are remarkably improved.
    Type: Grant
    Filed: September 19, 2023
    Date of Patent: April 23, 2024
    Assignee: NANJING UNIVERSITY OF POSTS & TELECOMMUNICATIONS
    Inventors: Ligang Xu, Wenbo Jia, Dongdong Yan
  • PREPARATION METHOD OF PEROVSKITE FILM BASED ON SEM-HCL ADDITIVE AND OF PHOTOVOLTAIC DEVICE
    Publication number: 20240099126
    Abstract: A preparation method of perovskite film based on semicarbazide hydrochloride (SEM-HCl) additive and a preparation method of photovoltaic device are provided, a perovskite optimized crystallization strategy is provided, a tin-based perovskite thin film is prepared based on a solution method, and a purpose of regulating and controlling perovskite crystallization is achieved by means of a cross-linking effect of special groups in SEM-HCl and perovskite components. Defects of crystals of the prepared perovskite film are reduced, the non-radiative recombination in a transmission process of carriers is suppressed, and a photoelectric conversion efficiency and a photovoltaic device stability are remarkably improved.
    Type: Application
    Filed: September 19, 2023
    Publication date: March 21, 2024
    Inventors: Ligang Xu, Wenbo Jia, Dongdong Yan