1. Department of Chemistry, Faculty of Science, Sultan Qaboos University, P.O. Box 36,
Postal Code 123, Muscat, Sultanate of Oman
2. Centre for Fundamental and Frontier Sciences in Nanostructure Self-Assembly, Department of Chemistry, Faculty of Science, University of Malaya, 50603 Kuala Lumpur, Malaysia
3. Institut für Anorganische Chemie and Institute for Sustainable Chemistry & Catalysis with Boron, Julius-Maximilians-Universität Würzburg, Am Hubland, 97074 Würzburg, Germany