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  Polymer-assisted control of particle morphology and particle size of zinc oxide precipitated from aqueous solution

Taubert, A., Palms, D., Weiss, O., Piccini, M. T., & Batchelder, D. N. (2002). Polymer-assisted control of particle morphology and particle size of zinc oxide precipitated from aqueous solution. Chemistry of Materials, 14(6), 2594-2601.

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 Creators:
Taubert, A.1, Author              
Palms, D.1, Author              
Weiss, O., Author
Piccini, M. T.1, Author              
Batchelder, D. N., Author
Affiliations:
1MPI for Polymer Research, Max Planck Society, ou_1309545              

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 Abstract: Water-soluble poly(ethylene oxide-block-methacrylic acid) (P(EO-b-MAA)) and poly(ethylene oxide-block-styrene sulfonic acid) (P(EO-b-SSH)) diblock copolymers were used to control the particle morphologies, sizes and size distributions of zinc oxide precipitated from aqueous solution. With P(EO-b-MAA) copolymers, hexagonal prismatic particles form. Their sizes and size distributions depend on the degrees of polymerization of the blocks. With P(EO-b-SSH) copolymers, the particle shape reminds one of a "stack of pancakes". These samples have narrow size distributions, regardless of the degrees of polymerization of the P(EO-b-SSH) copolymers. All crystals have a central grain boundary assigned to twinning. There is evidence for P(EO-b-MAA) copolymer adsorption onto the basal planes of the zinc oxide particles, whereas with P(EO-b-SSH) also an adsorption onto the side faces seems possible. The polymers are incorporated to some extent in the crystals and the amount of the polymer incorporated depends on the initial polymer concentration of the reaction solution.

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Language(s): eng - English
 Dates: 2002-06
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: No review
 Identifiers: eDoc: 28703
ISI: 000176365000026
Other: P-02-157
 Degree: -

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Title: Chemistry of Materials
  Alternative Title : Chem. Mat.
Source Genre: Journal
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Pages: - Volume / Issue: 14 (6) Sequence Number: - Start / End Page: 2594 - 2601 Identifier: ISSN: 0897-4756