1. Department of Electrical and Computer Engineering, Drexel University, 3141 Chestnut St, Philadelphia, Pennsylvania 19104, USA
2. A. J. Drexel Nanomaterials Institute and Department of Materials Science and Engineering, Drexel University, 3141 Chestnut St, Philadelphia, Pennsylvania 19104, USA
3. Energy and Building Research Center, Kuwait Institute of Scientific Research, Shuwaikh Educational, Kuwait 70030, Kuwait