1. Institute of Chemistry; Vietnam Academy of Science and Technology; 18 Hoang Quoc Viet Cau Giay, Hanoi Vietnam
2. University of Science and Technology of Hanoi; Vietnam Academy of Science and Technology; 18 Hoang Quoc Viet Cau Giay, Hanoi Vietnam
3. Department of Chemistry and Institute for Materials Design; College of Natural Sciences, Hanyang University; Seoul 04763 Korea