Single Particle and Ensemble Spectroscopy of Silicon Nanoparticles

MRS Online Proceedings Library volume 704, Article number: 341 (2001) Cite this article

Abstract

Octanethiol-stabilized Si nanocrystals, ranging from 2 to 8 nm in diameter, were synthesized in cyclohexane heated and pressurized above its critical point at temperatures ranging from 400°C to 500°C. The nanocrystals exhibit crystalline cores and photoluminesce with relatively high efficiencies. These nanocrystals are suitable for single particle spectroscopic measurements that reveal optical information about the individual chromophores that are buried in ensemble measurements. The sterically-stabilized Si nanocrystals emit with relatively narrow emission spectra at room temperature, characteristic of molecules.

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Affiliations

  1. Department of Chemical Engineering and Texas Materials Institute Center for Nano-and-Molecular Science and Technology, University of Texas at Austin, Austin, TX, 78712, USA

    Lindsay E. Pell, Zhonghua Yu, Douglas S. English, Don O’Connor, Paul F. Barbara & Brian A. Korgel

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  1. Lindsay E. Pell
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  2. Zhonghua Yu
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  3. Douglas S. English
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  4. Don O’Connor
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  5. Paul F. Barbara
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  6. Brian A. Korgel
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Correspondence to Lindsay E. Pell.

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Pell, L.E., Yu, Z., English, D.S. et al. Single Particle and Ensemble Spectroscopy of Silicon Nanoparticles. MRS Online Proceedings Library 704, 341 (2001). https://doi.org/10.1557/PROC-704-W3.4.1

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