The European Solar Test Installation (ESTI) has confirmed Longi's achievement of a world record-breaking efficiency rating of 34.6% for a perovskite-silicon tandem solar cell.
small samples can achieve ridiculous efficiencies. @ me when they 1. can scale this thing to entire panel, and 2. lasts longer than it takes to get it out of lab. silicon can pull 22% and more, scales reliably and lasts longer. also, it's a bunch of marketing fluff, linked to other marketing fluff. if there's anything real, you could just post DOI