1. School of Physics, The University of Sydney, Sydney, NSW 2006, Australia
2. The University of Sydney Nano Institute (Sydney Nano), The University of Sydney, Sydney, NSW 2006, Australia
3. Australian Centre for Advanced Photovoltaics (ACAP), School of Photovoltaic and Renewable Energy Engineering, University of New South Wales, Sydney 2052, Australia
4. Sustainable Energy Research Centre, School of Engineering, Macquarie University, Sydney, NSW 2109, Australia
5. IEK-5 Photovoltaics, Forschungszentrum Jülich GmbH, 52428 Jülich, Germany
6. ARC Centre of Excellence for Engineered Quantum Systems and ARC Centre of Excellence for Dark Matter Particle Physics, Department of Physics, University of Western Australia, Western Australia 6009, Australia
7. Australian Centre for Microscopy and Microanalysis (ACMM), The University of Sydney, Sydney, NSW 2006, Australia
8. Research School of Engineering, The Australian National University, Canberra, ACT 2601, Australia
9. School of Civil & Environmental Engineering, University of Technology Sydney, 81 Broadway, Ultimo, NSW 2007, Australia
10. Faculty of Electrical Engineering, University of Ljubljana, Trzaska 25, Ljubljana 1000, Slovenia