1. Photosciences and Photonics Section, Chemical Sciences and Technology Division, National Institute for Interdisciplinary Science and Technology, Trivandrum-695 019, Kerala, India, Computational Modeling and Simulation Section, National Institute for Interdisciplinary Science and Technology, CSIR, Trivandrum-695 019, Kerala, India, and Department of Chemistry and Biochemistry and Center for Nanoscience, University of Missouri−St. Louis, St. Louis, Missouri 63121