CAS Key Laboratory of Design and Assembly of Functional Nanostructures;
and Fujian Provincial Key Laboratory of Nanomaterials;
Fujian Institute of Research on the Structure of Matter;
Chinese Academy of Sciences;
Fuzhou 350002;
China;
College of Chemistry and Materials Science;
Fujian Normal University;
Fuzhou 350007;
China;
Xiamen Institute of Rare-earth Materials;
Haixi Institutes;
Chinese Academy of Sciences;
Xiamen 361021;
China;
photoelectrochemistry; water-splitting; TiO_(2)nanotube arrays; H_(2);