1. Group for Molecular Engineering of Functional Materials; Institute of Chemical Sciences and Engineering; Swiss Federal Institute of Technology; CH-1015 Lausanne Switzerland
2. Nanomaterials and Devices Laboratory; Department of Physics; University of Houston; Houston TX 77204 USA
3. Laboratory of Photonics and Interfaces; Department of Chemistry and Chemical Engineering; Swiss Federal Institute of Technology; CH-1015 Lausanne Switzerland
4. Center of Excellence for Advanced Materials Research (CEAMR); King Abdulaziz University; Jeddah 21589 Saudi Arabia