articleAdvanced MaterialsMar 4, 2019Closed access

Tuning Oxygen Vacancies in Ultrathin TiO 2 Nanosheets to Boost Photocatalytic Nitrogen Fixation up to 700 nm

YZYunxuan ZhaoYZYufei ZhaoRSRun ShiBWBin WangGIGeoffrey I. N. Waterhouse

Chinese Academy of Sciences · Technical Institute of Physics and Chemistry · +5 more institutions

PubMed
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Abstract

Abstract Dinitrogen reduction to ammonia using transition metal catalysts is central to both the chemical industry and the Earth's nitrogen cycle. In the Haber–Bosch process, a metallic iron catalyst and high temperatures (400 °C) and pressures (200 atm) are necessary to activate and cleave NN bonds, motivating the search for alternative catalysts that can transform N 2 to NH 3 under far milder reaction conditions. Here, the successful hydrothermal synthesis of ultrathin TiO 2 nanosheets with an abundance of oxygen vacancies and intrinsic compressive strain, achieved through a facile copper‐doping strategy, is reported. These defect‐rich ultrathin anatase nanosheets exhibit remarkable and stable performance…

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Authors

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Topics & keywords

Topics
Keywords
  • Materials science
  • Photocatalysis
  • Nitrogen
  • Oxygen
  • Nanotechnology
  • Oxygen evolution
  • Chemical engineering
  • Nitrogen fixation
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