@article{63970,
  abstract     = {{Abstract Recent advances in solid-state nuclear magnetic resonance (NMR) spectroscopy, combined with dynamic nuclear polarization (DNP), quantum chemical DFT calculations, and gas-phase NMR spectroscopy investigating the structure and reactivity of heterogeneous catalysts are reviewed. The investigated catalysts range from classical mononuclear catalysts, like immobilized derivates of Wilkinson’s catalysts over binuclear catalysts such as the dirhodium paddlewheel catalyst to catalytic nanoparticles, employing various support materials, such as mesoporous silica gels, coordination polymers, and biomaterials such as cellulose.}},
  author       = {{Haro Mares, Nadia and Logrado, Millena and Kergassner, Jan and Zhang, Bingyu and Gutmann, Torsten and Buntkowsky, Gerd}},
  issn         = {{1867-3880}},
  journal      = {{ChemCatChem}},
  keywords     = {{solid-state nmr, heterogeneous catalysis, dynamic nuclear polarization, Nanocatalysis, Surface-reactions}},
  pages        = {{e202401159}},
  publisher    = {{John Wiley & Sons, Ltd}},
  title        = {{{Solid-State NMR of Heterogeneous Catalysts}}},
  doi          = {{10.1002/cctc.202401159}},
  year         = {{2024}},
}

@article{63960,
  abstract     = {{Recent advances in solid-state nuclear magnetic resonance (NMR) spectroscopy and dynamic nuclear polarization (DNP) of nanostructured materials are reviewed. A first group of materials is based on crystalline nanocellulose (CNC) or microcrystalline cellulose (MCC), which are used as carrier materials for dye molecules, catalysts or in combination with heterocyclic molecules as ion conducting membranes. These materials have widespread applications in sensorics, optics, catalysis or fuel cell research. A second group are metal oxides such as V-Mo-W oxides, which are of enormous importance in the manufacturing process of basic chemicals. The third group are catalytically active nanocrystalline metal nanoparticles, coated with protectants or embedded in polymers. The last group includes of lead-free perovskite materials, which are employed as environmentally benign substitution materials for conventional lead-based electronics materials. These materials are discussed in terms of their application and physico-chemical characterization by solid-state NMR techniques, combined with gas-phase NMR and quantum-chemical modelling on the density functional theory (DFT) level. The application of multinuclear 1H, 2H, 13C, 15N and 23Na solid state NMR techniques under static or MAS conditions for the characterization of these materials, their surfaces and processes on their surfaces is discussed. Moreover, the analytic power of the combination of these techniques with DNP for the identification of low-concentrated carbon and nitrogen containing surface species in natural abundance is reviewed. Finally, approaches for sensitivity enhancement by DNP of quadrupolar nuclei such as 17O and 51V are presented that enable the identification of catalytic sites in metal oxide catalysts.}},
  author       = {{Gutmann, Torsten and Groszewicz, Pedro B. and Buntkowsky, Gerd}},
  journal      = {{Annual Reports on NMR Spectroscopy}},
  keywords     = {{solid-state nmr, heterogeneous catalysis, dynamic nuclear polarization, Ferroelectrics, Nanocatalysis, Surface reactions}},
  pages        = {{1–82}},
  title        = {{{Solid-state NMR of nanocrystals}}},
  doi          = {{10.1016/bs.arnmr.2018.12.001}},
  volume       = {{97}},
  year         = {{2019}},
}