Spectrolab sets new solar PV cell efficiency world record of 38.8% without concentration

SolarServer
Spectrolab has produced a solar photovoltaic (PV) cell with a conversion efficiency of 38.8% without concentration of light. (...) This is a new world record, and beats Spectrolab's previous record by 1%. The multijunction PV cell was developed using new bonding technology from Spectrolab's parent company Boeing (Chicago). (...) Boeing notes that the technology can be used to power high-powered spacecraft and unmanned aerial