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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.:

US 11723258 B1

PDFFull Text
Date of Patent:
Aug. 08, 2023

Filed:

Mar. 10, 2020

Photoelectric conversion material dispersion liquid and producing method thereof, producing method and producing apparatus of photoelectric conversion film, and photoelectric conversion device

Applicant:

Kabushiki Kaisha Toshiba, Minato-ku, JP;

Inventors:

Haruhi Oooka, Kawasaki, JP;

Hideyuki Nakao, Setagaya, JP;

Mitsunaga Saito, Inzai, JP;

Assignee:

Kabushiki Kaisha Toshiba, Minato-ku, JP;

Attorney:

Oblon, McClelland, Maier & Neustadt, L.L.P.

Primary Examiner:

Francisco W Tschen

Int. Cl.
CPC ...
H10K 71/15 (2023.01); H01L 31/0256 (2006.01); H01L 31/18 (2006.01); H10K 30/20 (2023.01); H10K 85/30 (2023.01); H10K 85/20 (2023.01); H10K 85/10 (2023.01); H10K 102/10 (2023.01);
U.S. Cl.
CPC ...
H10K 71/15 (2023.02); H01L 31/0256 (2013.01); H01L 31/18 (2013.01); H01L 31/186 (2013.01); H10K 30/211 (2023.02); H10K 85/1135 (2023.02); H10K 85/215 (2023.02); H10K 85/30 (2023.02); H10K 2102/103 (2023.02); Y02E 10/549 (2013.01); Y02P 70/50 (2015.11);
Abstract

A photoelectric conversion material dispersion liquid of an embodiment includes: perovskite crystal particles having a composition represented as ABX, where A is a monovalent cation of an amine compound, B is a divalent cation of a metal element, and X is a monovalent anion of a halogen element, and having an average particle diameter of not less than 10 nm nor more than 10000 nm; and a dispersion medium which is composed of a poor solvent to the perovskite crystal particles, and in which the perovskite crystal particles are dispersed.

Find Patent Forward Citations

Oooka, Haruhi. (2023). Photoelectric conversion material dispersion liquid and producing method thereof, producing method and producing apparatus of photoelectric conversion film, and photoelectric conversion device (U.S. Patent No. 11723258). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11723258

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