US 12,139,418 B1
Nanoparticle layer solar cell
Firoz Khan, Dhahran (SA); and Masoud Al-Rasheidi, Dhahran (SA)
Assigned to KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS, Dhahran (SA)
Filed by KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS, Dhahran (SA)
Filed on Aug. 7, 2024, as Appl. No. 18/796,384.
Application 18/796,384 is a continuation of application No. 18/490,839, filed on Oct. 20, 2023, granted, now 12,110,235.
Application 18/490,839 is a continuation of application No. 18/335,701, filed on Jun. 15, 2023, granted, now 11,827,528, issued on Nov. 28, 2023.
This patent is subject to a terminal disclaimer.
Int. Cl. H01B 1/08 (2006.01); C01G 51/00 (2006.01); H10K 30/50 (2023.01); H10K 85/50 (2023.01); H10K 30/85 (2023.01); H10K 71/15 (2023.01)
CPC C01G 51/40 (2013.01) [H01B 1/08 (2013.01); H10K 85/50 (2023.02); C01P 2002/72 (2013.01); C01P 2004/03 (2013.01); C01P 2004/04 (2013.01); C01P 2004/22 (2013.01); C01P 2004/61 (2013.01); C01P 2004/62 (2013.01); C01P 2004/64 (2013.01); C01P 2004/90 (2013.01); C01P 2006/40 (2013.01); C01P 2006/90 (2013.01); H10K 30/50 (2023.02); H10K 30/85 (2023.02); H10K 71/15 (2023.02)] 16 Claims
OG exemplary drawing
 
1. A nanoparticle layer solar cell, comprising:
an electrode layer, a hole transport layer, a perovskite layer, a mesoporous layer, an electron transport layer, and a metal oxide layer;
wherein the electrode layer contacts the hole transport layer, and the perovskite layer is between the hole transport layer and the electron transport layer;
wherein the electron transport layer comprises an electron transport material;
wherein the electron transport material comprises:
a metal co-doped zinc oxide compound having a formula MnxCo0.015Zn1-xO, wherein x has a value in a range of 0.001 to 0.014, and
wherein the metal co-doped zinc oxide compound is in the form of hexagonal disc shape nanoparticles having an average particle diameter of 0.5 to 2 μm.