Plasmons in Supported Size-Selected Silver Nanoclusters: Supporting Information

نویسندگان

  • Tobias Lünskens
  • Philipp Heister
  • Martin Thämer
  • Constantin A. Walenta
  • Aras Kartouzian
  • Ueli Heiz
چکیده

The investigation of size dependent effects of supported clusters with integral methods like optical spectroscopy demands a low surface coverage so that agglomeration can be excluded. In addition the plasmon resonance depends strongly on interparticle interactions if the distance between neighboring particles is too small1,2. The threshold value for our experimental setup was determined experimentally to be ~1x1013 cluster/cm2, as can be seen in figure S1. For all measured cluster sizes the coverage was held below ~3x1012 cluster/cm2 so that the observed shift of the plasmon energy can be assigned to intrinsic size effects explicitly.

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تاریخ انتشار 2015