1. Department of Chemistry Wayne State University Detroit MI 48202 USA
2. Center for Combustion Energy School of Vehicle and Mobility State Key Laboratory of Automotive Safety and Energy Tsinghua University Beijing 100084 China
3. Physical and Computational Sciences Directorate Pacific Northwest National Laboratory Richland WA 99352 USA
4. Department of Chemistry Marquette University Milwaukee WI 53201 United States
5. Department of Industrial and Systems Engineering Wayne State University Detroit MI 48202 USA
6. Department of Physics City University of Hong Kong Hong Kong SAR China