1. Physical
Chemistry, TU Dresden, Bergstraße 66b, 01062 Dresden, Germany
2. Departments
of Physics and Electrical and Electronics Engineering and the UNAM−Institute
of Materials Science and Nanotechnology, Bilkent University, 06800 Ankara, Turkey
3. LUMINOUS!
Center of Excellence for Semiconductor Lighting and Displays, School
of Electrical and Electronic Engineering, and School of Physical and
Mathematical Sciences, Nanyang Technological University, Singapore 639798, Singapore