Issue 46, 2010
From the journal:

Dalton Transactions

Polymer-assisted preparation of nanoscale films of thermoelectric PbSe and PbTe and of lead chalcogenide-polymer composite films†

Christoph Erk,ab   Andreas Berger,c   Joachim H. Wendorffb  and  Sabine Schlecht*a  

* Corresponding authors

a Justus-Liebig-Universität Gießen, Institut für Anorganische und Analytische Chemie, Heinrich-Buff-Ring 58, Gießen, Germany
E-mail: Sabine.Schlecht@anorg.chemie.uni-giessen.de
Fax: +49 641 9943109

b Philipps-Universität Marburg, Fachbereich Chemie, Hans-Meerwein-Strasse, Marburg, Germany
E-mail: wendorff@mailer.uni-marburg.de

c Max-Planck-Institut für Mikrostrukturphysik, Weinberg 2, Halle/Saale, Germany

Abstract

Polymer films of polyethyleneoxide (PEO) or poly(L-lactide) (PLLA) containing a single-source precursor for either PbSe or PbTe were used to produce films of nanoparticles of these thermoelectric materials. The monomeric homoleptic chalcogenolates lead(II) bis-(2,4,6-trifluoromethylphenylselenolate) Pb[SeC6H2(CF3)3]2 and lead(II) bis-[tris(trimethylsilyl)silyl-tellurolate] Pb[TeSi(SiMe3)3]2 were used as single-source precursors for the thermolytic formation of the lead chalcogenides. The thickness and the quality of as-obtained thin films depended decisively on the spin-coating conditions, on the polymer, on the precursor concentration in the composite film before thermolysis and on the annealing time. Thin layers of particles of 30–50 nm size and high crystallinity were obtained. They were characterized by X-ray diffraction, thermal analysis and electron microscopy.

Graphical abstract: Polymer-assisted preparation of nanoscale films of thermoelectric PbSe and PbTe and of lead chalcogenide-polymer composite films

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Article information

DOI
https://doi.org/10.1039/C0DT00745E
Article type
Paper
Submitted
29 Jun 2010
Accepted
20 Sep 2010
First published
21 Oct 2010

Dalton Trans., 2010,39, 11248-11254

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Polymer-assisted preparation of nanoscale films of thermoelectric PbSe and PbTe and of lead chalcogenide-polymer composite films

C. Erk, A. Berger, J. H. Wendorff and S. Schlecht, Dalton Trans., 2010, 39, 11248 DOI: 10.1039/C0DT00745E

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