1. Institute of Functional Interfaces (IFG) Karlsruhe Institute of Technology (KIT) Hermann-von-Helmholtz Platz-1 76344 Eggenstein-Leopoldshafen Germany
2. Institute of Microstructure Technology (IMT) Karlsruhe Institute of Technology (KIT) Hermann-von-Helmholtz Platz-1 76344 Eggenstein-Leopoldshafen Germany
3. Institute of Nanotechnology (INT) Karlsruhe Institute of Technology (KIT) Hermann-von-Helmholtz Platz-1 76344 Eggenstein-Leopoldshafen Germany
4. Light Technology Institute (LTI) Karlsruhe Institute of Technology (KIT) Engesserstrasse 13 76131 Karlsruhe Germany
5. State Key Laboratory of Mechanics and Control of Mechanical Structures Key Laboratory for Intelligent Nano Materials and Devices of Ministry of Education Institute of Nano Science Nanjing P. R. China
6. CNRS, Chimie et Interdisciplinarité: Synthèse, Analyse, Modélisation Université de Nantes CEISAM, UMR 6230 4400 Nantes France