Quantum dots coordinated with conjugated organic ligands: new nanomaterials with novel photophysics |
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| Authors: | Nathan I Hammer Todd Emrick Michael D Barnes |
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| Affiliation: | (1) Department of Chemistry, University of Massachusetts, Amherst, MA 01003, USA;(2) Department of Polymer Science and Engineering, University of Massachusetts, Amherst, MA 01003, USA |
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| Abstract: | CdSe quantum dots functionalized with oligo-(phenylene vinylene) (OPV) ligands (CdSe-OPV nanostructures) represent a new class
of composite nanomaterials with significantly modified photophysics relative to bulk blends or isolated components. Single-molecule
spectroscopy on these species have revealed novel photophysics such as enhanced energy transfer, spectral stability, and strongly
modified excited state lifetimes and blinking statistics. Here, we review the role of ligands in quantum dot applications
and summarize some of our recent efforts probing energy and charge transfer in hybrid CdSe-OPV composite nanostructures. |
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| Keywords: | Single molecule spectroscopy Hybrid nanomaterial Quantum dot Blinking Conjugated polymer Energy transfer Charge transfer Photovoltaic Atomic force microscope |
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