Nanoscopic building blocks from polymers, metals, and semiconductors for hybrid architectures

Wolfgang Knoll, Ming Yong Han, Xinheng Li, Jose Luis Hernandez-Lopez, Abhijit Manna, Klaus Müllen, Fumio Nakamura, Lifang Niu, Rudolf Robelek, Evelyne L. Schmid, Kaoru Tamada, Xinhua Zhong

Research output: Contribution to journalArticlepeer-review

Abstract

This paper describes some of our efforts in the area of nanostructured thin film architectures. The resulting interfacial hybrid assemblies are built from (1) organic/polymeric objects based on dendrimer systems, from (2) surface-functionalized Au nanoparticles, and (3) from a variety of semiconducting quantum dots. Dendrimers as polymeric building blocks with a strictly monodisperse particle size distribution in the nanometer range can be functionalized in the core, the scaffold, or at the periphery, thus offering interesting hybrid materials for a wide range of applications. The combination with Au clusters and their local surface plasmon resonances suggests new strategies for optoelectronic devices or unconventional bio-sensor platforms. The possibility of tuning the luminescent properties of semiconducting nanoparticles by size or compositional bandgap engineering complements the assembly kit with building blocks for supramolecular thin film nanocomposite materials.

Original languageEnglish
Pages (from-to)229-241
Number of pages13
JournalJournal of Nonlinear Optical Physics and Materials
Volume13
Issue number2
DOIs
Publication statusPublished - 2004 Jun
Externally publishedYes

Keywords

  • Au nanoparticles
  • Bandgap engineering
  • Color multiplexing
  • Dendrimers
  • DNA hybridization
  • Layer-by-layer assembly
  • Quantum dots
  • Surface plasmon fluorescence microscopy
  • Surface plasmon spectroscopy

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Physics and Astronomy (miscellaneous)

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