1. Department of Building and Real Estate, The Hong Kong Polytechnic University, Hung Hom, Kowloon, 999077, Hong Kong, P. R. China
2. Department of Thermal Science and Energy Engineering, University of Science and Technology of China, Hefei 230026, Anhui, P. R. China
3. State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, No. 5 Xin Mofan Road, Nanjing 210009, P. R. China