Strongly enhanced Raman scattering of Cu-phthalocyanine sandwiched between graphene and Au(111)

Chem Commun (Camb). 2017 Jan 5;53(4):724-727. doi: 10.1039/c6cc08672a.

Abstract

Graphene and flat gold have both been argued to enhance Raman scattering of molecular adsorbates through a chemical mechanism. Here we show that these two effects can add to each other. For Cu-phthalocyanine in between graphene and Au(111) on mica a Raman enhancement up to 68-fold has been observed.