1. School of Chemistry and Chemical Engineering Harbin Institute of Technology Harbin 150001 P. R. China
2. Istituto Nazionale di Ricerca Metrologica (INRiM) Turin 10135 Italy
3. European Laboratory for Non‐linear Spectroscopy (LENS) Sesto Fiorentino 50019 Italy
4. National Key Laboratory of Science and Technology on Advanced Composites in Special Environments Harbin Institute of Technology Harbin 150001 P. R. China
5. Key Laboratory of Bio‐Based Material Science and Technology of Ministry of Education Material Science and Engineering College Northeast Forestry University Harbin 150040 P. R. China
6. School of Energy Science and Engineering Harbin Institute of Technology Harbin 150001 P. R. China
7. State Key Laboratory of Coal Combustion School of Energy and Power Engineering Huazhong University of Science and Technology Wuhan Hubei 430074 P. R. China