1. Department of Mechanical Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong 19104, China
2. A.J. Drexel Nanomaterials Institute and Department of Materials Science and Engineering, Drexel University, Philadelphia, Pennsylvania 19104, United States
3. Department of Chemical and Biological Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong19104,China
4. Materials and Process Simulation Center (MSC), MC 139-74, California Institute of Technology, Pasadena, California 91125, United States
5. Department of Chemical & Polymer Engineering, University of Engineering & Technology Lahore, Faisalabad Campus, 3.5km, Khurrianwala − Makkuana By-Pass, Faisalabad 38000, Pakistan