Low-lying lattice modes of highly uniform pentacene monolayers

Rui He, Nancy G. Tassi, Graciela B. Blanchet, Aron Pinczuk

Research output: Contribution to journalArticlepeer-review

13 Scopus citations

Abstract

The authors report that monolayers of pentacene grown on a functionalized polymeric substrate display high uniformity that enable observations of Raman spectra of low-lying optical vibrations. The evolution of the frequencies and widths of the modes has been studied in films reaching the single monolayer level. Raman spectra of low-lying lattice modes display major changes when the film thickness changes from 1 to 2 monolayers, revealing that a phase akin to a thin film phase of pentacene already emerges in films of only 2 monolayers.

Original languageEnglish
Article number223310
JournalApplied Physics Letters
Volume94
Issue number22
DOIs
StatePublished - 2009

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