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Published on: January 17, 2017
Ag Nanoparticles Located on Three-Dimensional Pine Tree-Like Hierarchical TiO2 Nanotube Array Films as
Jinxia Xu1,2, Zhenhuan Wang2, Wenqing Li1
1Department of Physics and Key Laboratory of Artificial Micro- and Nano-Structures of Ministryof Education and Laboratory of Printable Functional Nanomaterials, Wuhan University, Wuhan, 430072, People's Republic of China.
Abstract:
High specific surface area three-dimensional pine tree-like hierarchical TiO2 nanotube array films loaded with Ag nanoparticles were successfully prepared by one-step hydrothermal reaction combining with simple and feasible magnetron sputtering. The composite Ag/TiO2-branched nanotube arrays show outstanding photocatalytic property, which is attributed to the boost of plasmonic enhancement carrier generation and separation, higher specific surface area, higher organic pollutant absorption, faster charge transport, and superior light-harvesting efficiency for efficient charge collection. The work provides a cost-effective and flexible pathway to develop high-performance photocatalyst or optoelectronic devices.
