Growth kinetics determine the polydispersity and size of PbS and PbSe nanocrystals

Author:

Campos Michael P.1,De Roo Jonathan12ORCID,Greenberg Matthew W.1,McMurtry Brandon M.1ORCID,Hendricks Mark P.13,Bennett Ellie1ORCID,Saenz Natalie1,Sfeir Matthew Y.456ORCID,Abécassis Benjamin78ORCID,Ghose Sanjit K.9,Owen Jonathan S.1ORCID

Affiliation:

1. Department of Chemistry, Columbia University, New York, New York 10027, USA

2. Department of Chemistry, University of Basel, Basel 4058, Switzerland

3. Department of Chemistry, Whitman College, Walla Walla, Washington 99362, USA

4. Center for Functional Nanomaterials, Brookhaven National Laboratory, Upton, New York 11973, USA

5. Photonics Initiative, Advanced Science Research Center, City University of New York, New York, New York 10031, USA

6. Department of Physics, Graduate Center, City University of New York, New York, New York 10016, USA

7. ENSL, CNRS, Laboratoire de Chimie UMR 5182, 46 allée d’Italie, 69364 Lyon, France

8. Université Paris-Saclay, CNRS, Laboratoire de Physique des Solides, 91405 Orsay, France

9. National Synchrotron Light Source II, Brookhaven National Laboratory, Brookhaven, New York, USA

Abstract

Colloidal lead chalcogenide nanocrystals nucleate slowly throughout their synthesis rather than in a burst. There is no correlation between the temporal width of the nucleation phase and the polydispersity.

Funder

Directorate for Mathematical and Physical Sciences

Brookhaven National Laboratory

Publisher

Royal Society of Chemistry (RSC)

Subject

General Chemistry

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