1. Advanced Devices & Sustainable Energy Laboratory (ADSEL), Bradley Department of Electrical and Computer Engineering, Virginia Tech, Blacksburg, Virginia 24061, United States
2. Tyndall National Institute, Lee
Maltings, Dyke Parade, Cork, Ireland
3. Centre
for Advanced Photonics and Process Analysis, Cork Institute of Technology, Cork, Ireland
4. Fluids
Research Laboratory, Department of Geosciences, Virginia Tech, Blacksburg, Virginia 24061, United States