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@ARTICLE{Sarma:611720,
      author       = {Sarma, Bidyut Bikash and Neukum, Dominik and Doronkin,
                      Dmitry and Lakshmi Nilayam, Ajai Raj and Baumgarten, Lorena
                      and Krause, Baerbel and Grunwaldt, Jan-Dierk},
      title        = {{U}nderstanding the role of supported {R}h atoms and
                      clusters during hydroformylation and {CO} hydrogenation
                      reactions with in situ / operando {XAS} and {DRIFT}
                      spectroscopy},
      journal      = {Chemical science},
      volume       = {15},
      number       = {31},
      issn         = {2041-6520},
      address      = {Cambridge},
      publisher    = {RSC},
      reportid     = {PUBDB-2024-05033},
      pages        = {12369-12379},
      year         = {2024},
      abstract     = {Supported Rh single-atoms and clusters on CeO2, MgO, and
                      ZrO2 were investigated as catalysts for hydroformylation of
                      ethylene to propionaldehyde and CO hydrogenation to
                      methanol/ethanol with in situ/operando diffuse reflectance
                      infrared Fourier transform spectroscopy (DRIFTS) and X-ray
                      absorption spectroscopy (XAS). Under hydroformylation
                      reaction conditions, operando spectroscopic investigations
                      unravel the presence of both single atoms and clusters and
                      detected at first propanal and then methanol. We find that
                      the formation of methanol is associated with CO
                      hydrogenation over Rh clusters which was further confirmed
                      under CO hydrogenation conditions at elevated pressure. The
                      activity of catalysts synthesized via a precipitation (PP)
                      method over various supports towards the hydroformylation
                      reaction follows the order: Rh/ZrO2 > Rh/CeO2 > Rh/MgO.
                      Comparing Rh/CeO2 catalysts synthesized via different
                      methods, catalysts prepared by flame spray pyrolysis (FSP)
                      showed catalytic activity for the hydroformylation reaction
                      at lower temperatures (413 K), whereas catalysts prepared by
                      wet impregnation (WI) showed the highest stability. These
                      results not only provide fundamental insights into the
                      atomistic level of industrially relevant reactions but also
                      pave the way for a rational design of new catalysts in the
                      future.},
      cin          = {DOOR ; HAS-User},
      ddc          = {540},
      cid          = {I:(DE-H253)HAS-User-20120731},
      pnm          = {6G3 - PETRA III (DESY) (POF4-6G3) / FS-Proposal: I-20200891
                      (I-20200891) / FS-Proposal: I-20211473 (I-20211473) / SFB
                      1441 B03 - In situ/operando-Charakterisierung von
                      Edelmetallclustern und Partikeln auf Metalloxiden unter
                      Reaktionsbedingungen (B03) (446701131)},
      pid          = {G:(DE-HGF)POF4-6G3 / G:(DE-H253)I-20200891 /
                      G:(DE-H253)I-20211473 / G:(GEPRIS)446701131},
      experiment   = {EXP:(DE-H253)P-P65-20150101},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:39118611},
      UT           = {WOS:001275391000001},
      doi          = {10.1039/D4SC02907K},
      url          = {https://bib-pubdb1.desy.de/record/611720},
}