1. State Key Laboratory of Complex Nonferrous Metal Resources Clean Utilization/Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming, Yunnan, 650093, China
2. Department of Chemical Engineering, Columbia University, New York, NY, 10027, USA
3. Chemistry Division, Brookhaven National Laboratory, Upton, NY, 11973, USA
4. Department of Physics, Florida A&M University, Tallahassee, FL, 32307, USA