Effect of tertiary and secondary phosphines on low-temperature formation of quantum dots

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DOIResolve DOI: http://doi.org/10.1002/anie.201300568
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TypeArticle
Journal titleAngewandte Chemie - International Edition
ISSN1433-7851
Volume52
Issue18
Pages48234828; # of pages: 6
SubjectDiphenylphosphine; Feed molar ratio; Low temperature formation; Reproducibilities; Secondary phosphines; Semiconducting nanocrystals; Tri-n-octylphosphine; Coordination reactions; Density functional theory; Molecular modeling; Nanocrystals; Phosphorus compounds; Semiconductor quantum dots; Semiconducting selenium compounds; Phosphine derivative; Chemical structure; Cadmium; Cold Temperature; Models, Molecular; Oleic Acid; Phosphines
AbstractGetting to the TOP of things: The coordination of tri-n-octylphosphine (TOP) instead of diphenylphosphine (DPP) to cadmium oleate (Cd(OA)2) reveals how tertiary and secondary phosphines enhance the yield and reproducibility of the synthesis of nanocrystals by shifting the equilibrium of the reaction to the right (see picture). High Cd-to-Se and Se-to-TOP feed molar ratios facilitate the formation of Se[DOUBLE BOND]DPP by way of Se exchange from TOP to DPP.
Publication date
LanguageEnglish
AffiliationSecurity and Disruptive Technologies; Measurement Science and Standards; Information and Communication Technologies; National Research Council Canada
Peer reviewedYes
NPARC number21270358
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Record identifier08139141-a619-48ac-a62f-0144ec073b95
Record created2014-02-05
Record modified2016-05-09
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