1. Department of Chemical Engineering, Indian Institute of Technology, Gandhinagar, Palaj, Gujarat 382355, India
2. Department of Chemical Engineering, Kansas State University, 1005 Durland Hall, Manhattan, Kansas 66502, United States
3. Department of Chemical Engineering, University of Illinois at Chicago, 810 S. Clinton Street, Chicago, Illinois 60607, United States
4. Microscopy and Analytical Imaging Laboratory, University of Kansas, Lawrence, Kansas 66045, United States