Here we report a successful one-step synthesis of vanadium-doped anatase mesocrystals by reactive annealing of NHTiOF/PEG2000 mesocrystal precursors with NHVO. The formation solid solution TiVOwith vanadium content up to = 25 at% inheriting the structure of mesocrystals is observed for the first time. The doping mechanism via vapor phase transport of vanadium is proposed. The TiVOmesocrystals exhibit improved specific capacity of 175 mAh g(compared to 150 mAh gfor pure anatase phase) and decreased potential gap between charge and discharge processes.
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| http://dx.doi.org/10.1088/1361-6528/ac317a | DOI Listing |
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