Crystallinity engineering for overcoming the activity–stability tradeoff of spinel oxide in Fenton-like catalysis

A precise modulation of heterogeneous catalysts in structural and surface properties promises the development of more sustainable advanced oxidation water purification technologies. However, while catalysts with superior decontamination activity and selectivity are already achievable, maintaining a long-term service life of such materials remains challenging. Here, we propose a crystallinity engineering strategy to break the activity–stability tradeoff of metal oxides in Fenton-like catalysis. The amorphous/crystalline cobalt-manganese spinel oxide (A/C-CoMnO x ) provided highly active, hydroxyl group-rich surface, with moderate peroxymonosulfate (PMS)-binding affinity and charge transfer energy and strong…

• NN
  National Natural Science Foundation of China

  Awards: U21A20160, 51821006, 52192681, 21871238
• UO
  University of Science and Technology of China
• NS
  Natural Science Foundation of Anhui Province

  Award: 2208085J09
• NK
  National Key Research and Development Program of China

  Awards: 2017YFA0700104, 2018YFA0702001
• FR
  Fundamental Research Funds for the Central Universities

  Awards: WK2060000016, BL14W1, 51821006
• FR
  Fundamental Research Funds for Central Universities of the Central South University

  Award: WK2060000016