1. Chemical Engineering Department, King Fahd University of Petroleum and Minerals, Dhahran 31261, Saudi Arabia
2. Department of Chemical and Biological Engineering, University of Colorado Boulder, Boulder, Colorado, USA
3. Materials Science and Engineering Program, University of Colorado Boulder, Boulder, Colorado, USA
4. Renewable and Sustainable Energy Institute, University of Colorado Boulder, Boulder, Colorado, USA
5. Department of Chemistry, University of Colorado Boulder, Boulder, Colorado, USA