Size-selected gold clusters on porous titania as the most “gold-efficient” heterogeneous catalysts

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Research on homogeneous and heterogeneous catalysis is indeed convergent and finds subnanometric particles to be at the heart of catalytically active species. Here, monodisperse gold clusters are deposited from the gas phase onto porous titania generating well-defined model systems and the resulting composite materials exhibit a sharp size-dependency on the number of gold atoms per cluster and exceptionally high-turnovers toward the bromination of 1,4-dimethoxybenzene are observed. This indicates that the deliberate generation of active centres is of utmost importance for the creation of the most “gold-efficient” catalysts.

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ISO 690DOLLINGER, Andreas, Lukas STOLCH, Yuan LUO, Martin BECK, Christoph H. STROBEL, Matthias HAGNER, Stefan DILGER, Malin BEIN, Sebastian POLARZ, Gerd GANTEFÖR, Young-Dok KIM, Sebastian PROCH, 2014. Size-selected gold clusters on porous titania as the most “gold-efficient” heterogeneous catalysts. In: Physical Chemistry Chemical Physics. 2014, 16(22), pp. 11017-11023. ISSN 1463-9076. eISSN 1463-9084. Available under: doi: 10.1039/C4CP00597J
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@article{Dollinger2014Sizes-29617,
  year={2014},
  doi={10.1039/C4CP00597J},
  title={Size-selected gold clusters on porous titania as the most “gold-efficient” heterogeneous catalysts},
  number={22},
  volume={16},
  issn={1463-9076},
  journal={Physical Chemistry Chemical Physics},
  pages={11017--11023},
  author={Dollinger, Andreas and Stolch, Lukas and Luo, Yuan and Beck, Martin and Strobel, Christoph H. and Hagner, Matthias and Dilger, Stefan and Bein, Malin and Polarz, Sebastian and Ganteför, Gerd and Kim, Young-Dok and Proch, Sebastian}
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