1. Nanotechnology Research Laboratory, College of Engineering and Computer Science, The Australian National University, Canberra, Australian Capital Territory 2601, Australia
2. School of Chemistry, Physics and Mechanical Engineering, and Institute for Future Environments, Queensland University of Technology (QUT), 2 George Street, Brisbane, Queensland 4001, Australia
3. Particles and Catalysis Research Laboratory, School of Chemical Engineering, The University of New South Wales, Sydney, New South Wales 2052, Australia
4. CSIRO Manufacturing, Bayview Avenue, Melbourne, Victoria 3168, Australia
5. School of Materials Science and Engineering, The University of New South Wales (UNSW), Sydney, New South Wales 2052, Australia
6. Research School of Electrical, Energy and Materials Engineering, College of Engineering and Computer Science, The Australian National University, Canberra, Australian Capital Territory 2601, Australia
7. Research School of Computer Science, College of Engineering and Computer Science, The Australian National University, Canberra, Australian Capital Territory 2601, Australia