1. Key Laboratory of Bio-based Material Science and Technology (Ministry of Education), Northeast Forestry University, 26 Hexing Road, Harbin 150040, P. R. China
2. School of Mining, Chemistry and Chemical Engineering, Hulunbuir University, 26 Genghis Khan Middle Road, Hulunbuir 021008, P. R. China
3. College of Materials and Energy, South China Agricultural University, 483 Wushan Road, Guangzhou 510642, P. R. China