(19)
(11) EP 3 931 878 A1

(12)

(43) Date of publication:
05.01.2022 Bulletin 2022/01

(21) Application number: 20766113.3

(22) Date of filing: 28.02.2020
(51) International Patent Classification (IPC): 
H01L 29/167(2006.01)
H01L 31/0288(2006.01)
 C01G 23/04(2006.01)
(52) Cooperative Patent Classification (CPC):
H01L 51/4213; Y02E 10/549
(86) International application number:
PCT/SE2020/050225
(87) International publication number:
WO 2020/180230 (10.09.2020 Gazette 2020/37)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(30) Priority: 01.03.2019 SE 1950272

(71) Applicants:
  • Xu, Weidong
    584 32 Linköping (SE)
  • Gao, Feng
    583 28 Linköping (SE)

(72) Inventors:
  • Xu, Weidong
    584 32 Linköping (SE)
  • Gao, Feng
    583 28 Linköping (SE)

(74) Representative: Brann AB 
P.O. Box 3690 Drottninggatan 27
103 59 Stockholm
103 59 Stockholm (SE)

   


(54) PEROVSKITE PHOTOELECTRONIC DEVICE WITH DEFECT PASSIVATION