1. Laboratory of Preparation and Applications of Environmental Friendly Materials (Jilin Normal University) Ministry of Education Changchun 130103 China
2. College of Chemistry Jilin University Changchun 130012 China
3. School of Energy and Chemical Engineering Ulsan National Institute of Science and Technology Ulsan 44919 South Korea
4. School of Materials Science Japan Advanced Institute of Science and Technology Ishikawa 923‐1211 Japan
5. State Key Laboratory on Integrated Optoelectronics College of Electronic Science and Technology Jilin University Changchun 130012 China
6. Biomedical Research Institute 1‐8‐31 National Institute of Advanced Industrial Science and Technology Ikeda Osaka 563‐8577 Japan