11-08 :: August 2011

nanotimes Research

Cross-section SEM image of one of the silver-free high efficiency solar cell contacts produced at the ETAlab®

of Fraunhofer ISE

(above) and corresponding EDX analysis of the chemical elements. © Fraunhofer ISE

11

High-efficiency solar cells (21.4 % efficiency at 2x2 cm²) with long-term-stable copper metallization from the ETAlab® ISE. © Fraunhofer ISE

at Fraunhofer