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@ARTICLE{Nogueira:888944,
      author       = {Nogueira, André E. and Silva, Gelson T. S. T. and
                      Oliveira, Jéssica A. and Lopes, Osmando and Torres, Juliana
                      A. and Carmo, Marcelo and Ribeiro, Caue},
      title        = {{C}u{O} {D}ecoration {C}ontrols {N}b 2 {O} 5
                      {P}hotocatalyst {S}electivity in {CO} 2 {R}eduction},
      journal      = {ACS applied energy materials},
      volume       = {3},
      number       = {8},
      issn         = {2574-0962},
      address      = {Washington, DC},
      publisher    = {ACS Publications},
      reportid     = {FZJ-2020-05343},
      pages        = {7629 - 7636},
      year         = {2020},
      abstract     = {The reformation of CO2 through photocatalytic processes to
                      obtain products with high energy value and compatibility
                      with the current energy infrastructure is a compelling
                      strategy to minimize the emission of CO2 into the
                      atmosphere, one of the main greenhouse gases. However,
                      practical application of such a photocatalytic system
                      requires significant efforts for improved CO2 photoreduction
                      performance and product selectivity. Thus, in the present
                      work, CuO nanoparticles were combined with Nb2O5 in order to
                      improve the photocatalytic properties of these
                      semiconductors in the CO2 photoreduction process. Nb2O5/CuO
                      heterojunctions were prepared via a solvothermal treatment
                      method, while the experimental tools, such as FESEM, HRTEM,
                      and DRS, were employed to evaluate the microstructural and
                      electronic properties. We describe how CuO decoration over
                      Nb2O5 adjusts its selectivity for CO2 reduction to CH4,
                      HCOOH, or H3CCOOH in different contents. An investigation of
                      CO2 photoreduction using different electron
                      donors/scavengers (water, sodium oxalate, and potassium
                      bromate) under ultraviolet radiation revealed that its
                      decoration influences local CO production by modifying the
                      selectivity. CO has been confirmed as the main intermediate
                      for HCOOH and CH3COOH production, and CO2 reduction
                      efficiency increases at low CuO content $(2.5\%$ wt),
                      leading to the formation of soluble hydrocarbons, and
                      increases for CH4 in higher amounts $(10\%$ wt).},
      cin          = {IEK-14},
      ddc          = {540},
      cid          = {I:(DE-Juel1)IEK-14-20191129},
      pnm          = {134 - Electrolysis and Hydrogen (POF3-134)},
      pid          = {G:(DE-HGF)POF3-134},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000563784400043},
      doi          = {10.1021/acsaem.0c01047},
      url          = {https://juser.fz-juelich.de/record/888944},
}