首页|(162770)Nitrogen and fluorine codoped TiO_2 nanotube arrays: Operation sequence of solvothermal/annealing treatment and photocatalytic performance
(162770)Nitrogen and fluorine codoped TiO_2 nanotube arrays: Operation sequence of solvothermal/annealing treatment and photocatalytic performance
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NSTL
Elsevier
By the exploitation of doping in semiconductor photocatalysts, the energy band structure adjustment would induce the improvement of solar absorption and photochemical performance. Here, we investigated the N/F codoped TiO_2 nanotube arrays (TiO_2 NTs) by tuning the preparation operation sequence of sol-vothermal doping and annealing treatment. The optimized Sample 1 prepared by the first solvothermal doping in ethanol and then annealing exhibited the outstanding solar absorption, low electron-hole recombination and photoelectrochemical performances. The excellent photocatalytic performances in pho-tocurrent/H_2 generation and pollutant removal were discussed and analyzed in detail. Furthermore, we explained the mechanism of N/F codoping for improved photocatalytic performances. The work gives a referable template for improved photocatalytic application fields of TiO_2 in environment and energy.
NSTL
Elsevier
