Communication

Supercritical Continuous-Microflow Synthesis of Narrow Size Distribution Quantum Dots†

  1. Samuel Marre2,
  2. Jongnam Park1,
  3. Jane Rempel2,
  4. Juan Guan1,
  5. Moungi G. Bawendi1,*,
  6. Klavs F. Jensen2,*

Article first published online: 22 OCT 2008

DOI: 10.1002/adma.200801579

Issue

Advanced Materials

Advanced Materials

Volume 20, Issue 24, pages 4830–4834, December 17, 2008

Additional Information

How to Cite

Marre, S., Park, J., Rempel, J., Guan, J., Bawendi, M. G. and Jensen, K. F. (2008), Supercritical Continuous-Microflow Synthesis of Narrow Size Distribution Quantum Dots. Adv. Mater., 20: 4830–4834. doi: 10.1002/adma.200801579

Author Information

  1. 1

    Department of Chemistry, Massachusetts Institute of Technology 77 Massachusetts Avenue, 6-221, MA02139 (USA)

  2. 2

    Department of Chemical Engineering Massachusetts Institute of Technology 77 Massachusetts Avenue, 66-342, MA02139 (USA)

*Department of Chemistry, Massachusetts Institute of Technology 77 Massachusetts Avenue, 6-221, MA02139 (USA).

  1. †

    S. M. and J. P. have contributed equally to this work. This research was funded in part by the NSF (DMR 02-13282, CHE 0714189) and the US Army Research Office through the Institute for Soldier Nanotechnology. J. Park was supported by the Korean research Foundation Grant funded by the Korean Government (KRF-2006-214-D00038).

Publication History

  1. Issue published online: 16 DEC 2008
  2. Article first published online: 22 OCT 2008
  3. Manuscript Revised: 12 AUG 2008
  4. Manuscript Received: 9 JUN 2008

Funded by

  • NSF. Grant Numbers: DMR 02-13282, CHE 0714189
  • US Army Research Office
  • Korean Government. Grant Number: KRF-2006-214-D00038

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Keywords:

  • CdSe;
  • microfluidics;
  • quantum dots;
  • supercritical fluids;
  • synthesis
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CdSe quantum dots (QDs) with narrow size distribution are synthesized continuously in a pressurized high-temperature microreactor using supercritical hexane as the main solvent. The as-prepared QDs exhibit narrow photoluminescence emission (full-width at half-maximum as small as 25 nm, corresponding to σ = 4%), showing the advantages of supercritical-fluid synthesis compared to conventional high-boiling-point solvents.

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