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Complementary Microscopy Platform for Investigations of Hybrid Nanostructures Comprising Quantum Dots and Plasmonic Particles

Published online by Cambridge University Press:  11 February 2015

Katja Dopf ,
Patrick M. Schwab ,
Carola Moosmann ,
Anne Habermehl ,
Uli Lemmer  and
Hans-Juergen Eisler
Katja Dopf
Affiliation:
Light Technology Institute, Karlsruhe Institute of Technology, Karlsruhe, Germany
Patrick M. Schwab
Affiliation:
Light Technology Institute, Karlsruhe Institute of Technology, Karlsruhe, Germany Institute of Microstructure Technology, Karlsruhe Institute of Technology, Karlsruhe, Germany
Carola Moosmann
Affiliation:
Light Technology Institute, Karlsruhe Institute of Technology, Karlsruhe, Germany
Anne Habermehl
Affiliation:
Light Technology Institute, Karlsruhe Institute of Technology, Karlsruhe, Germany
Uli Lemmer
Affiliation:
Light Technology Institute, Karlsruhe Institute of Technology, Karlsruhe, Germany Institute of Microstructure Technology, Karlsruhe Institute of Technology, Karlsruhe, Germany
Hans-Juergen Eisler
Affiliation:
Light Technology Institute, Karlsruhe Institute of Technology, Karlsruhe, Germany
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Abstract

Nanoscale systems combining colloidal quantum dots with plasmonic antennas will pioneer the development of novel nanodevices with tailored optical features for a wide range of applications. The interactions between such nanoparticles strongly depend on the particular distance. We propose the use of an atomic force microscope (AFM) to image and to position quantum dots with respect to plasmonic particles. Additionally, we analyze the arrangements with several optical characterization methods, such as confocal microscopy, fluorescence microscopy and superresolution optical fluctuation imaging (SOFI). These methods support each other and improve the AFM manipulation technique. The AFM tip is perfectly aligned to a focused laser by detecting the Raman signal of the silicon tip. Thus ultimately, we can simultaneously use the topography information with a spatial resolution in the range of the nanoparticle sizes and cross-correlate it with the optical characterization methods.

Keywords

nanoscalenanostructureoptical
Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 1748: Symposium II – Semiconductor Nanocrystals, Plasmonic Metal Nanoparticles, and Metal-Hybrid Structures , 2015 , mrsf14-1748-ii05-16
Copyright
Copyright © Materials Research Society 2015 

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References

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