	US 12,040,140 B2
	Coatings for electronic devices, solar cells, composite materials, and methods
Biwu Ma, Tallahassee, FL (US); and Qingquan He, Tallahassee, FL (US)
Assigned to The Florida State University Research Foundation, Inc., Tallahassee, FL (US)
Filed by The Florida State University Research Foundation, Inc., Tallahassee, FL (US)
Filed on Mar. 2, 2022, as Appl. No. 17/684,991.
Claims priority of provisional application 63/155,418, filed on Mar. 2, 2021.
Prior Publication US 2023/0027415 A1, Jan. 26, 2023
Int. Cl. H10K 30/88 (2023.01); H01G 9/00 (2006.01); H01G 9/20 (2006.01); H10K 85/30 (2023.01); H10K 85/60 (2023.01)

CPC H01G 9/2009 (2013.01) [H01G 9/0036 (2013.01); H10K 30/88 (2023.02); H10K 85/30 (2023.02); H10K 85/655 (2023.02); H10K 85/657 (2023.02); H10K 85/6572 (2023.02)]

12 Claims

1. A method of passivating a surface, the method comprising:

providing a mixture comprising a liquid and an organic dye derivative, wherein the organic dye derivative is at least partially dissolved in the liquid;

applying the mixture to a first surface of a film, wherein the film comprises a metal halide perovskite; and

annealing the film for a time and a temperature effective to convert the organic dye derivative to an organic dye;

wherein—

(A) the organic dye is

wherein R is hydrogen; and

(B) the organic dye derivative, respectively, is—

wherein each R is independently selected from

wherein each R¹is independently selected from a C₁-C₆hydrocarbyl; or

wherein—

(1) the organic dye is—

and

(2) the organic dye derivative, respectively, is—