Patents by Inventor Sjoerd Antonius VELDHUIS

Sjoerd Antonius VELDHUIS 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).

  • Perovskite core-shell nanocrystals
    Patent number: 10538540
    Abstract: Provided is a nanocrystal comprising a core comprised in a shell, wherein the core comprises a first material of a perovskite structure comprising a first organic cation not exceeding a molar weight of about 45 g/mol, a first divalent metal and a first counter anion, and, wherein the shell comprises a second material of a perovskite structure comprising a second organic cation having a molar weight between about 74 g/mol and about 187 g/mol, optionally the first organic cation, a second divalent metal and a second counter anion. Provided is further a matrix having the nanocrystal as defined above encapsulated therein.
    Type: Grant
    Filed: June 29, 2017
    Date of Patent: January 21, 2020
    Assignee: NANYANG TECHNOLOGICAL UNIVERSITY
    Inventors: Tze Chien Sum, Weiqiang Chen, Subodh Gautam Mhaisalkar, Nripan Mathews, Sjoerd Antonius Veldhuis, Saikat Bhaumik
  • PEROVSKITE CORE-SHELL NANOCRYSTALS
    Publication number: 20180002354
    Abstract: Provided is a nanocrystal comprising a core comprised in a shell, wherein the core comprises a first material of a perovskite structure comprising a first organic cation not exceeding a molar weight of about 45 g/mol, a first divalent metal and a first counter anion, and, wherein the shell comprises a second material of a perovskite structure comprising a second organic cation having a molar weight between about 74 g/mol and about 187 g/mol, optionally the first organic cation, a second divalent metal and a second counter anion. Provided is further a matrix having the nanocrystal as defined above encapsulated therein.
    Type: Application
    Filed: June 29, 2017
    Publication date: January 4, 2018
    Applicant: NANYANG TECHNOLOGICAL UNIVERSITY
    Inventors: Tze Chien SUM, Weiqiang CHEN, Subodh Gautam MHAISALKAR, Nripan MATHEWS, Sjoerd Antonius VELDHUIS, Saikat BHAUMIK