Optical properties of CdSe nanoparticle assemblies

F. Rafael Leon, Natalia Zaitseva, Daniele Gerion, Thomas R Huser, Denise Krol

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

We report on three-dimensional fluorescence imaging of micron-size faceted crystals precipitated from solutions of CdSe nanocrystals. Such crystals have previously been suggested to be superlattices of CdSe quantum dots [1,2]. Possible applications for these materials include their use in optical and optoelectronic devices. The micron-size crystals were grown by slow evaporation from toluene solutions of CdSe nanocrystals in the range of 3-6 nm, produced by traditional wet-chemistry techniques. By using a confocal microscope with laser illumination, three-dimensional raster-scanning and synchronized hyper-spectral detection, we have generated spatial profiles of the fluorescence emission intensity and spectrum. The fluorescence data of the micro-crystals were compared with spectra of individual nanocrystals obtained from the same solution. The results do not support the assertion that these microcrystals consist of CdSe superlattices.

Original languageEnglish (US)
Title of host publicationMaterials Research Society Symposium - Proceedings
EditorsP. Guyot-Sionnest, H. Mattoussi, U. Woggon, Z.L. Wang
Pages245-250
Number of pages6
Volume789
StatePublished - 2003
Externally publishedYes
EventQuantum Dots, Nanoparticles and Nanowires - Boston, MA, United States
Duration: Dec 1 2003Dec 5 2003

Other

OtherQuantum Dots, Nanoparticles and Nanowires
CountryUnited States
CityBoston, MA
Period12/1/0312/5/03

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials

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  • Cite this

    Leon, F. R., Zaitseva, N., Gerion, D., Huser, T. R., & Krol, D. (2003). Optical properties of CdSe nanoparticle assemblies. In P. Guyot-Sionnest, H. Mattoussi, U. Woggon, & Z. L. Wang (Eds.), Materials Research Society Symposium - Proceedings (Vol. 789, pp. 245-250)