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Probing Photoluminescence Dynamics in Colloidal Semiconductor Nanocrystal/Fullerene Heterodimers with Single Molecule Spectroscopy

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UV-VIS and Photoluminescence Spectroscopy for Nanomaterials Characterization

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Abstract

Single molecule optical spectroscopy (SMS) allows for the characterization of photoluminescence intensity and lifetime of a isolated colloidal semiconductor nanocrystal, which provide valuable information about its intrinsic structural defects and interactions with the external nanoenvironment. In this chapter, we describe the application of SMS for the study of photoluminescence blinking and photoinduced charge transfer in colloidal semiconductor nanocrystals.

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Acknowledgments

We would like to thank Dr. H.L. Wang from Los Alamos National Laboratory in New Mexico for providing the fullerene compound and our colleagues from Brookhaven National Laboratory, Dr. M. Sfeir for helping with transient absorption experiments and Drs. M. Hybertsen and Q. Wu for helpful discussions and suggestions in connection with some of the data reported here. We also thank the Office of Science of the United States Department of Energy for funding this research under Contract No. DE-AC02-98CH10886.

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Authors and Affiliations

  1. Department of Chemical Engineering, University of Minnesota Duluth, Duluth, MN, 55812, USA

    Zhihua Xu

  2. Brookhaven National Laboratory, Upton, NY, 11973, USA

    Mircea Cotlet

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  1. Zhihua Xu
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  2. Mircea Cotlet
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Correspondence to Mircea Cotlet .

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  1. Center for Advanced Microstructures and, South Stadium Road, Baton Rouge, 70803, Louisiana, USA

    Challa Kumar

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Xu, Z., Cotlet, M. (2013). Probing Photoluminescence Dynamics in Colloidal Semiconductor Nanocrystal/Fullerene Heterodimers with Single Molecule Spectroscopy. In: Kumar, C. (eds) UV-VIS and Photoluminescence Spectroscopy for Nanomaterials Characterization. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-27594-4_15

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  • DOI: https://doi.org/10.1007/978-3-642-27594-4_15

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