New processes put TOPCon under pressure
TOPCon cells require different layers front and back, with uniform thickness controlled down to the nanometer, with no overlap. Developing deposition processes able to fulfill these demands without depositing "wraparound" on the other side has been a challenge for the industry, although multiple solutions are in sight.
pv magazine is the leading trade media platform covering the global solar photovoltaics industry. Log in or purchase a digital or print version of this issue to read this article in full.