Fraunhofer ISE again holds world record

Multicrystalline Silicon Solar Cell with 21.9 Percent Efficiency

© Fraunhofer ISE

The multicrystalline world record solar cell made of n-type HPM silicon with an area of 2 cm x 2 cm. The cell has excellent antireflection properties; therefore the cell appears almost black with almost no detectable grain boundaries. © Fraunhofer ISE