Giant enhancement of the Raman response due to one-dimensional ZnO nanostructures

Hae Young Shin, Ee Le Shim, Young Jin Choi, Jong Hyurk Park, Seokhyun Yoon

Research output: Contribution to journalArticlepeer-review

24 Scopus citations

Abstract

We observed giant enhancement of the Raman intensity from 4-Mpy molecules adsorbed on semiconducting one-dimensional ZnO nanostructures, nanowires and nanocones, without involving any noble metals. Interestingly, the enhancement is strongly dependent on the geometry of ZnO nanostructures and can mainly be explained by the cavity-like structural resonance of the electric field. Our results can be applied to systematically create hot spots for Raman signal enhancement using one-dimensional semiconducting nanomaterials. This journal is

Original languageEnglish
Pages (from-to)14622-14626
Number of pages5
JournalNanoscale
Volume6
Issue number24
DOIs
StatePublished - 21 Dec 2014

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