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Kinetically Controlled Growth of Gold Nanotriangles in a Vesicular Template Phase by Adding a Strongly Alternating Polyampholyte

  • This paper is focused on the temperature dependent synthesis of gold nanotriangles in a vesicular template phase, containing phosphatidylcholin and AOT, by adding the strongly alternating polyampholyte PalPhBisCarb. UV-vis absorption spectra in combination with TEM micrographs show that flat gold nanoplatelets are formed predominantly in presence of the polyampholyte at 45 °C. The formation of triangular and hexagonal nanoplatelets can be directly influenced by the kinetic approach, i.e., by varying the polyampholyte dosage rate at 45 °C. Corresponding zeta potential measurements indicate that a temperature dependent adsorption of the polyampholyte on the {111} faces will induce the symmetry breaking effect, which is responsible for the kinetically controlled hindered vertical and preferred lateral growth of the nanoplatelets.

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Metadaten
Author:Nicole SchulzeORCiD, Joachim KoetzORCiDGND
URN:urn:nbn:de:kobv:517-opus4-98380
Series (Serial Number):Postprints der Universität Potsdam : Mathematisch-Naturwissenschaftliche Reihe (271)
Document Type:Postprint
Language:English
Date of first Publication:2016/08/17
Year of Completion:2016
Publishing Institution:Universität Potsdam
Release Date:2016/10/19
Tag:Kinetically controlled nanocrystal growth; Nanotriangles; Polyampholytes
Pagenumber:22
Source:Journal of dispersion science and technology (2016). - DOI: 10.1080/01932691.2016.1220318
Organizational units:Mathematisch-Naturwissenschaftliche Fakultät / Institut für Chemie
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 54 Chemie / 540 Chemie und zugeordnete Wissenschaften
Peer Review:Referiert
Publication Way:Open Access
Grantor:Taylor & Francis Open Access Agreement
Licence (English):License LogoCreative Commons - Attribution 3.0 unported