1. Saitama University, Department of Chemistry, Faculty of Science, 255 Shimo-Ohkubo, Saitama City, Saitama 338-8570, Japan, Tokyo University of Mercantile Marine, Department of Marine System Engineering, 2-1-6 Etchujima, Koto-ku, Tokyo 135-0044, Japan, and University of Sofia, Laboratory of Nanoparticle Science & Technology, Department of Inorganic Chemistry, 1 James Boucher Blvd., Sofia 1126, Bulgaria