The main areas of research of Prof. Dr. Andreas Bett include solar silicon material, epitaxial growth of Si and III-V semiconductors, development of characterisation techniques for advanced solar cell devices and the fabrication of solar cells. Furthermore, he develops concentrator module and systems and is involved in field testing.
He is also co-founder of the company Concentrix Solar which manufactures and installs CPV systems. In addition he is active member in the IEC TC82 WG7 for standardisation of CPV technologies and member of the European PV Platform WG3. He has organised several international conferences and served in many scientific committees.