1. CSIRO Energy Newcastle Energy Centre 10 Murray Dwyer Circuit Mayfield West NSW 2304 Australia
2. Department of Materials University of Oxford Oxford OX1 3PH UK
3. School of Photovoltaics and Renewable Energy Engineering UNSW Sydney NSW 2052 Australia
4. Sundrive Solar Pty Ltd Kirrawee NSW 2232 Australia
5. R&D Center of Thin Film Technologies in Energetics Hevel Solar St. Petersburg 194064 Russia