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Updated: Jun 20, 2026

Correlative Light- and Electron Microscopy Using Quantum Dot Nanoparticles
Published on: August 7, 2016
Correlated Optical Spectroscopy and Transmission Electron Microscopy of Individual Hollow Nanoparticles and their
Linglu Yang1, Bo Yan, Björn M Reinhard
1Department of Chemistry and The Photonics Center, Boston University, Boston, Massachusetts 02215.
Abstract:
The optical spectra of individual Ag-Au alloy hollow particles were correlated with the particles' structures obtained by transmission electron microscopy (TEM). The TEM provided direct experimental access to the dimension of the cavity, thickness of the metal shell, and the interparticle distance of hollow particle dimers with high spatial resolution. The analysis of correlated spectral and structural information enabled the quantification of the influence of the core-shell structure on the resonance energy, plasmon lifetime, and plasmon coupling efficiency. Electron beam exposure during TEM inspection was observed to affect plasmon wavelength and lifetime, making optical inspection prior to structural characterization mandatory.
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