Ultrafast dynamics in nanostructured materials

Alexander N. Cartwright; William D. Kirkey; Madalina Furis; Xuegeng Li; Yuanqing He; David MacRae; Yudhisthira Sahoo; Mark T. Swihart; Paras N. Prasad

doi:10.1117/12.509341

14 November 2003 Ultrafast dynamics in nanostructured materials

Alexander N. Cartwright, William D. Kirkey, Madalina Furis, Xuegeng Li, Yuanqing He, David MacRae, Yudhisthira Sahoo, Mark T. Swihart, Paras N. Prasad

Author Affiliations +

Proceedings Volume 5222, Nanocrystals, and Organic and Hybrid Nanomaterials; (2003) https://doi.org/10.1117/12.509341
Event: Optical Science and Technology, SPIE's 48th Annual Meeting, 2003, San Diego, California, United States

Abstract

Optical properties of silicon and indium phosphide nanoparticles with emission throughout the visible wavelength range are presented. The peak emission wavelength of these nanoparticles is controlled by the reaction time and by post-growth etching treatments. Ultrafast spectroscopy is used to determine the photoluminescence lifetime in order to correlate the spectral response with the structural and chemical characterization of these nanoparticles. The measured lifetimes are used to identify surfactant, surface, and core nanoparticle emission. The nanoparticles exhibit efficient emission that is quenched when embedded within particular polymeric matrices.

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Alexander N. Cartwright, William D. Kirkey, Madalina Furis, Xuegeng Li, Yuanqing He, David MacRae, Yudhisthira Sahoo, Mark T. Swihart, and Paras N. Prasad "Ultrafast dynamics in nanostructured materials", Proc. SPIE 5222, Nanocrystals, and Organic and Hybrid Nanomaterials, (14 November 2003); https://doi.org/10.1117/12.509341

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