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.

Date of Patent:
Apr. 05, 2022

Filed:

Sep. 15, 2017
Applicant:

The Board of Trustees of the Leland Stanford Junior University, Palo Alto, CA (US);

Inventors:

Kevin Alexander Bush, Stanford, CA (US);

Axel F Palmstrom, Santa Barbara, CA (US);

Michael David McGehee, Palo Alto, CA (US);

Stacey F Bent, Stanford, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 31/0224 (2006.01); H01L 27/30 (2006.01); H01L 51/42 (2006.01); H01L 51/44 (2006.01); H01L 31/0392 (2006.01);
U.S. Cl.
CPC ...
H01L 31/022475 (2013.01); H01L 27/302 (2013.01); H01L 31/022483 (2013.01); H01L 31/03923 (2013.01); H01L 31/03925 (2013.01); H01L 51/4273 (2013.01); H01L 51/442 (2013.01); Y02E 10/549 (2013.01);
Abstract

A perovskite-based solar cell comprising a transparent electrode disposed on a buffer layer that protects the perovskite from damage during the deposition of the electrode is disclosed. The buffer material is deposited using either low-temperature atomic-layer deposition, chemical-vapor deposition, or pulsed chemical-vapor deposition. In some embodiments, the perovskite material is operative as an absorption layer in a multi-cell solar-cell structure. In some embodiments, the perovskite material is operative as an absorption layer in a single junction solar cell structure.


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