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Defocused differential interference contrast microscopy imaging of single plasmonic anisotropic nanoparticles

TitleDefocused differential interference contrast microscopy imaging of single plasmonic anisotropic nanoparticles
Publication TypeJournal Article
Year of Publication2014
AuthorsHa, JW, Fang, N
JournalChemical Communications
Volume50
Pagination5500-5502
Date Published05/28
Type of ArticleArticle
ISBN Number1359-7345
Accession NumberWOS:000335333700022
Keywords3-dimensional orientation, absorption, gold nanorods, metal, molecule, nanoparticles, orientation sensors, rotational-dynamics, size
Abstract

We present the defocused differential interference contrast (DIC) imaging of gold nanorods. We found that the scattered light and the defocus aberration play an important role in the formation of orientation-dependent DIC image patterns of a gold nanorod. Interestingly, the scattered light from a gold nanorod aligned closer to the polarization directions enables us to directly resolve its spatial orientation under a defocused DIC microscope.

DOI10.1039/c4cc01567c
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Nanodomains