1. Barrer Centre, Department of Chemical Engineering, Imperial College London, London SW7 2AZ, United Kingdom
2. Department of Materials, Imperial College London, London SW7 2AZ, United Kingdom
3. School of Chemistry, EaStCHEM and Centre of Magnetic Resonance, University of St. Andrews, North Haugh, St. Andrews, Fife KY16 9ST, United Kingdom
4. Diamond Light Source Ltd., Diamond House, Harwell Science and Innovation Campus, Didcot OX11 0DE, United Kingdom