Patent · US Active

Mixed cation perovskite

US10535828B2 · kind B2 · utility

3Cited by
0References
22Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 25, 2016
Grant dateJan 14, 2020
Priority date
Expiry dateNov 25, 2036

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02E10/549
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

The present invention relates to a crystalline compound comprising: (i) Cs+ (caesium); (ii) (H2N—C(H)—NH2)+ (formamidinium); (iii) one or more metal or metalloid dications [B]; and (iv) two or more different halide anions [X]. The invention also relates to a semiconductor device comprising a semiconducting material, which semiconducting material comprises the crystalline compound. The invention also relates to a process for producing a layer of the crystalline compound.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.