Tracking solar cell conversion efficiency

Keeping track of the rapidly improving solar cell performance is not as easy as it might seem. Martin Green describes the Solar Cell Efficiency Tables that have been providing 6-monthly updates of record solar cell performance since the 1990s. Keeping track of the rapidly improving solar cell performance is not as easy as it seems. Martin Green describes the Solar Cell Efficiency Tables that have been providing regular updates of the record solar cell performance since the 1990s.