1. School of Energy and Power Engineering, North University of China, Taiyuan, China
2. Microlab, Faculty of Civil Engineering and Geosciences, Delft University of Technology, Delft, The Netherlands
3. School of Material Science and Engineering, North University of China, Taiyuan, China
4. National Engineering Laboratory for Reducing Emissions from Coal Combustion, Shandong University, Jinan, China