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@ARTICLE{Li:517359,
      author       = {Li, Changxia and Ju, Wen and Vijay, Sudarshan and
                      Timoshenko, Janis and Mou, Kaiwen and Cullen, David A. and
                      Yang, Jin and Wang, Xingli and Pachfule, Pradip and
                      Brückner, Sven and Jeon, Hyo Sang and Haase, Felix T. and
                      Tsang, Sze-Chun and Rettenmaier, Clara and Chan, Karen and
                      Cuenya, Beatriz Roldan and Thomas, Arne and Strasser, Peter},
      title        = {{C}ovalent {O}rganic {F}ramework ({COF}) {D}erived
                      {N}i‐{N}‐{C} {C}atalysts for {E}lectrochemical {CO}$_2$
                      {R}eduction: {U}nraveling {F}undamental {K}inetic and
                      {S}tructural {P}arameters of the {A}ctive {S}ites},
      journal      = {Angewandte Chemie / International edition},
      volume       = {61},
      number       = {15},
      issn         = {1433-7851},
      address      = {Weinheim},
      publisher    = {Wiley-VCH},
      reportid     = {PUBDB-2023-00412},
      pages        = {e202114707},
      year         = {2022},
      abstract     = {Electrochemical CO$_2$ reduction is a potential approach to
                      convert CO$_2$ into valuable chemicals using electricity as
                      feedstock. Abundant and affordable catalyst materials are
                      needed to upscale this process in a sustainable manner.
                      Nickel-nitrogen-doped carbon (Ni-N-C) is an efficient
                      catalyst for CO$_2$ reduction to CO, and the single-site
                      Ni−Nx motif is believed to be the active site. However,
                      critical metrics for its catalytic activity, such as active
                      site density and intrinsic turnover frequency, so far lack
                      systematic discussion. In this work, we prepared a set of
                      covalent organic framework (COF)-derived Ni-N-C catalysts,
                      for which the Ni−Nx content could be adjusted by the
                      pyrolysis temperature. The combination of high-angle annular
                      dark-field scanning transmission electron microscopy and
                      extended X-ray absorption fine structure evidenced the
                      presence of Ni single-sites, and quantitative X-ray
                      photoemission addressed the relation between active site
                      density and turnover frequency.},
      cin          = {DOOR ; HAS-User},
      ddc          = {540},
      cid          = {I:(DE-H253)HAS-User-20120731},
      pnm          = {6G3 - PETRA III (DESY) (POF4-6G3) / DFG project 390540038 -
                      EXC 2008: Unifying Systems in Catalysis "UniSysCat"
                      (390540038)},
      pid          = {G:(DE-HGF)POF4-6G3 / G:(GEPRIS)390540038},
      experiment   = {EXP:(DE-H253)P-P64-20150101},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {35102658},
      UT           = {WOS:000811747100039},
      doi          = {10.1002/anie.202114707},
      url          = {https://bib-pubdb1.desy.de/record/517359},
}