Modulating the charge-transfer enhancement in GERS using an electrical field under vacuum and an n/p-doping atmosphere.


The modulation of charger-transfer (CT) enhancement in graphene-enhanced Raman scattering (GERS) by an electric field under different atmospheres is reported. The GERS spectra of cobalt phthalocyanine (CoPc) molecules were collected by in situ Raman measurements under ambient air, vacuum, NH(3) atmosphere, and O(2) atmosphere, in which the Fermi level of… (More)
DOI: 10.1002/smll.201100546


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