1. Department of Physics, University of Konstanz 78457 Konstanz Germany
2. Institute of Nanoscience and Nanotechnology, National Center for Scientific Research Demokritos Agia Paraskevi 15341 Athens Greece
3. Department of Chemistry, National and Kapodistrian University of Athens 15771 Athens Greece
4. Department of Electrical & Computer Engineering, Hellenic Mediterranean University, Estavromenos Heraklion GR‐71410 Crete Greece
5. Department of Chemical Engineering, Pohang University of Science and Technology (POSTECH) Pohang Gyeongbuk 37673 Republic of Korea
6. Department of Electrical and Computer Engineering, Ajman University P.O. Box 346 Ajman United Arab Emirates
7. Center of Medical and Bio‐allied Health Sciences Research Ajman United Arab Emirates
8. Institute of Chemical Sciences and Engineering, École Polytechnique Fédérale de Lausanne (EPFL) Rue de l'Industrie 17 CH‐1951 Sion Switzerland