1. CAS Key Laboratory of Design and Assembly of Functional Nanostructures Fujian Institute of Research on the Structure of Matter Chinese Academy of Sciences Fuzhou Fujian 350002 P. R. China
2. Laboratory of Advanced Functional Materials Xiamen Institute of Rare Earth Materials Haixi Institute Chinese Academy of Sciences Xiamen 361021 P. R. China
3. Department of Chemistry National Chung Hsing University Taichung 402 Taiwan
4. Michael Grätzel Center for Mesoscopic Solar Cells (MGC) Wuhan Photoelectric National Research Center (WNLO) Huazhong University of Science and Technology Wuhan 430074 Hubei P. R. China
5. i-Center for Advanced Science and Technology (i-CAST) and Innovation and Development Center of Sustainable Agriculture (IDCSA) National Chung Hsing University Taichung 402 Taiwan
6. Department of Photonics National Cheng Kung University Tainan 701 Taiwan