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@ARTICLE{Butman:875305,
      author       = {Butman, Mikhail F. and Kochkina, Nataliya E. and
                      Ovchinnikov, Nikolay L. and Zinenko, Nikolay V. and Sergeev,
                      Dmitry N. and Müller, Michael},
      title        = {{B}iomorphic {F}ibrous {T}i{O}$_{2}$ {P}hotocatalyst
                      {O}btained by {H}ydrothermal {I}mpregnation of {S}hort
                      {F}lax {F}ibers with {T}itanium {P}olyhydroxocomplexes},
      journal      = {Water},
      volume       = {10},
      number       = {5},
      issn         = {2073-4441},
      address      = {Basel},
      publisher    = {MDPI},
      reportid     = {FZJ-2020-01936},
      pages        = {541 -},
      year         = {2020},
      abstract     = {A biomimetic solution technology for producing a
                      photocatalytic material in the form of biomorphic titanium
                      oxide fibers with a hierarchical structure using short flax
                      fiber as a biotemplate is proposed. The impregnation of flax
                      fibers intensified under hydrothermal conditions with a
                      precursor was performed in an autoclave to activate the
                      nucleation of the photoactive TiO2 phases. The interaction
                      between precursor and flax fibers was studied by using
                      infrared spectroscopy (IR) and differential scanning
                      calorimetry/thermogravimetry analysis (DSC/TG). The
                      morphology, structure, and textural properties of the TiO2
                      fibers obtained at annealing temperatures of 500–700 °C
                      were determined by X-ray diffraction analysis, scanning
                      electron microscopy, and nitrogen adsorption/desorption. It
                      is shown that the annealing temperature of the impregnated
                      biotemplates significantly affects the phase composition,
                      crystallite size, and porous structure of TiO2 fiber
                      samples. The photocatalytic activity of the obtained fibrous
                      TiO2 materials was evaluated by using the decomposition of
                      the cationic dye Rhodamine B in an aqueous solution
                      (concentration 12 mg/L) under the influence of ultraviolet
                      radiation (UV). The maximum photodegradation efficiency of
                      the Rhodamine B was observed for TiO2 fibers annealed at 600
                      °C and containing $40\%$ anatase and $60\%$ rutile. This
                      sample ensured $100\%$ degradation of the dye in 20 min, and
                      this amount significantly exceeds the photocatalytic
                      activity of the commercial Degussa P25 photocatalyst and
                      TiO2 samples obtained previously under hydrothermal
                      conditions by the sol-gel method.},
      cin          = {IEK-2},
      ddc          = {690},
      cid          = {I:(DE-Juel1)IEK-2-20101013},
      pnm          = {113 - Methods and Concepts for Material Development
                      (POF3-113)},
      pid          = {G:(DE-HGF)POF3-113},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000546007000080},
      doi          = {10.3390/catal10050541},
      url          = {https://juser.fz-juelich.de/record/875305},
}