Controlled Aqueous Synthesis of CdSe Quantum Dots using Double-Hydrophilic Block Copolymers as Stabilizers-Reference-Cited by-同舟云学术

Controlled Aqueous Synthesis of CdSe Quantum Dots using Double-Hydrophilic Block Copolymers as Stabilizers

Published:2018-03-30 Issue:9-11 Volume:232 Page:1281-1293
ISSN:2196-7156
Container-title:Zeitschrift für Physikalische Chemie
language:en
Short-container-title:

Author:

Runge Denis¹,Cölfen Helmut¹

Affiliation:

1. Physical Chemistry, Department of Chemistry , Universität Konstanz, Universitätsstraße 10 , D-78457 Konstanz , Germany

Abstract

Abstract We present a simple experimental procedure to obtain CdSe quantum dots from aqueous solution with a controllable size. Double-hydrophilic block copolymers consisting of a poly(ethylene glycol) block and a block of either poly(ethylene imine) or polylysine are used as stabilizers. UV/VIS absorption spectroscopy, analytical ultracentrifugation and transmission electron microscopy are used to examine the resulting quantum dots. The particle size can be simply controlled by adjusting the polymer concentration during synthesis for both block copolymers.

Publisher

Walter de Gruyter GmbH

Subject

Physical and Theoretical Chemistry

Link

https://www.degruyter.com/document/doi/10.1515/zpch-2018-1146/pdf

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