1. Energy Safety Research Institute (ESRI), School of Engineering and Applied Sciences, Swansea University Bay Campus, Fabian Way, Swansea SA1 8EN, U.K.
2. Arizona Institute for Resilient Environments and Societies (AIRES), University of Arizona, Tucson, Arizona 85721, United States
3. Department of Chemistry and Department of Materials Science and Nanoengineering, Rice University, Houston, Texas 77005, United States
4. Faculty of Engineering, Universiti Teknologi Brunei, Darussalam BE1410, Brunei