^a Department of Chemistry, Texas Christian University, Fort Worth, TX 76109, USA

^b Department of Physics, King's College, London Strand, London WC2R 2NS, UK

^c NEST, Istituto Nanoscienze-CNR and Scuola Normale Superiore, Pisa, Italy

^d Department of Chemistry and Applied Biosciences, Eidgenössische Technische Hochschule Zürich, CH-8093 Zurich, Switzerland

^e Facoltá di Informatica, Istituto di Scienze Computazionali, Universitá della Svizzera Italiana, CH-6900 Lugano, Switzerland

^f Department of Chemistry and Biochemistry, University of Texas at Dallas, Richardson, TX, USA

^g Department of Materials Science and Engineering, University of Texas at Dallas, Richardson, TX, USA

^h Department of Innovative Technologies, University of Applied Sciences and Arts of Southern Switzerland, Galleria 2, Via Cantonale 2c, CH-6928 Manno, Switzerland

ⁱ Department of Chemistry, University of Sharjah, Sharjah, United Arab Emirates