The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 07, 2025
Filed:
Mar. 11, 2021
University of the Witwatersrand, Johannesburg, Johannesburg, ZA;
Nosipho Moloto, Johannesburg, ZA;
Kalenga Mubiayi, Johannesburg, ZA;
Grace Ngubeni, Johannesburg, ZA;
UNIVERSITY OF THE WITWATERSRAND, JOHANNESBURG, Johannesburg, ZA;
Abstract
This disclosure relates to the manufacture an alkali metal quaternary crystalline nanomaterial. an alkali metal quaternary crystalline nanomaterial having general Formula A (I-II-IV-VI); and wherein I is sodium (Na) or lithium (Li), II and IV are Zn or Sn, and VI is a chalcogens selected from the group comprising: sulphur (S), selenium (Se) or tellurium (Te). The crystal phase of the alkali metal quaternary crystalline nanomaterial may be a primitive mixed Cu—Au like structure (PMCA) and may have a space group: P2m. The nanomaterials may be adapted to provide a solar cell. Methods of manufacture are also provided.