1. Institute of Chemistry; Academia Sinica; Taipei 115 Taiwan
2. Research Center for New Generation Photovoltaics; National Central University; Chung-Li 320 Taiwan
3. Department of Chemical and Material Engineering; National Central University; Chung-Li 320 Taiwan
4. Department of Chemistry; National Central University; Chung-Li 320 Taiwan
5. Department of Chemistry; Indian Institute of Technology; Kanpur 208 016 India
6. Department of Chemistry; Tung Hai University; Taichung 407 Taiwan
7. Department of Applied Chemistry; Chinese Culture University; Taipei 111 Taiwan