US Patent Issued to City University of Hong Kong on March 4 for "Backbone-engineered highly efficient polymer hole transporting materials, inverted perovskite solar cells made therefrom, and manufacturing methods therefor" (Chinese Inventors)

ALEXANDRIA, Va., March 5 -- United States Patent no. 12,245,495, issued on March 4, was assigned to City University of Hong Kong (Kowloon, Hong Kong).

"Backbone-engineered highly efficient polymer hole transporting materials, inverted perovskite solar cells made therefrom, and manufacturing methods therefor" was invented by Zonglong Zhu (Kowloon, Hong Kong), Xin Wu (Kowloon, Hong Kong) and Xianglang Sun (Kowloon, Hong Kong).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention develops a novel hole-transporting material (HTM), PTAA-P1 and PTAA-P2 via the backbone engineering strategy to modulate wettability and promote anchoring. The HTM properties can be effectively modified by varying the linkage sit...