1. Operando
Molecular Spectroscopy and Catalysis Laboratory, Chemical Engineering
Department, Lehigh University, Bethlehem, Pennsylvania 18015, United States
2. Laboratoire
Catalyse et Spectrochimie, ENSICAEN, Université de Caen, CNRS, 6 Bd Maréchal
Juin, F-14050 Caen
Cedex, France
3. Department of Chemical & Petroleum Engineering, University of Kansas, Lawrence, Kansas 66047, United States
4. Department
of Physics, Yeshiva University, New York, New York 10016, United States