AI Article Synopsis
- The study developed a new catalyst called CNT/TiO(2) by combining carbon nanotubes (CNTs) with titanium dioxide (TiO(2)), which can conduct electricity and react to both UV light and electrical stimulus.* -
- The synthesis involved first attaching nickel (Ni) nanoparticles to TiO(2) and then using these Ni particles to grow CNTs through a method called chemical vapor deposition.* -
- This CNT/TiO(2) composite is effective in breaking down nitrogen oxide (NO) gas, utilizing both light (UV photocatalysis) and electricity (electrocatalysis under a high voltage) even in the absence of light.*
Article Abstract
Carbon nanotube (CNT)-grafted TiO(2) (CNT/TiO(2)) was synthesized as an electrically conductive catalyst that exhibits redox ability under electrical excitation besides ultraviolet (UV) irradiation. The CNT/TiO(2) material was synthesized by a two-step process. Ni nanoparticles were photodeposited onto TiO(2) first. The Ni nanoparticles then served as seeds for the growth of CNTs using the chemical vapor deposition (CVD) of C(2)H(2). The CNT/TiO(2) nanocomposite exhibits strong oxidation activity toward NO gas molecules via both photocatalysis under UV irradiation and electrocatalysis under a DC voltage of 500 V in dark conditions.
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| http://dx.doi.org/10.1088/0957-4484/18/46/465607 | DOI Listing |
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Synthesis of a CNT-grafted TiO(2) nanocatalyst and its activity triggered by a DC voltage.
Nanotechnology
November 2007
Department of Chemical Engineering, National Chung Cheng University, Chia-Yi 621, Taiwan, Republic of China. Energy and Environment Research Laboratories, Industrial Technology Research Institute, Hsinchu, 310, Taiwan, Republic of China.
Carbon nanotube (CNT)-grafted TiO(2) (CNT/TiO(2)) was synthesized as an electrically conductive catalyst that exhibits redox ability under electrical excitation besides ultraviolet (UV) irradiation. The CNT/TiO(2) material was synthesized by a two-step process. Ni nanoparticles were photodeposited onto TiO(2) first.
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