1. Departamento de Química
Orgánica, Universidad Autónoma de Madrid, 28049 Madrid, Spain
2. Department of Chemistry and
Pharmacy and Interdisciplinary Center for Molecular Materials (ICMM), Friedrich-Alexander-Universität Erlangen-Nürnberg, 91058 Erlangen, Germany
3. IMDEA-Nanociencia, c/Faraday, 9, Campus
de Cantoblanco, 28049-Madrid, Spain