1. Advanced Renewable Materials Lab, Department of Wood Science, Faculty of Forestry, The University of British Columbia, Vancouver, British Columbia V6T 1Z4, Canada
2. Clean Energy Research Center, Korea Institute of Science and Technology, Seoul 02792, Republic of Korea
3. Department of Chemical and Biological Engineering, University of British Columbia, Vancouver, British Columbia V6T 1Z3, Canada
4. Division of Energy & Environment Technology, KIST School, Korea University of Science and Technology, Seoul 02792, Republic of Korea