Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/2760
Title: Intermolecular order of poly-(2,5-dimethyl-para-phenylene vinylene) and poly-(para-phenylene vinylene) - A comparison
Authors: Resel, R
KIEBOOMS, Rafael
Stelzer, F
VANDERZANDE, Dirk 
Issue Date: 2001
Publisher: SPRINGER-VERLAG WIEN
Source: MONATSHEFTE FUR CHEMIE, 132(4). p. 433-440
Abstract: Poly-(para-phenylene vinylene) (2b, PPV) and poly-(2,5 -dimethyl-para-phenylenevinylene) (Ib) were prepared via the formation of a double bond by thermal elimination of an octylsulfinyl side group at 200 degreesC under vacuum. X-Ray diffraction experiments revealed a certain degree of long-range order within both polymers. However, considerable differences in the diffraction pattern were observed, the packing of the polymer chains within the bulk structure being responsible for these differences. Within the crystal structure of 2b. neighbouring PPV chains pack in a zig-zag arrangement (herringbone pattern). Analysis of the diffraction pattern of Ib on the basis of the crystal structure of a model compound (2,5,2 ' ,5 ' -tetramethylstilbene) revealed that the molecular planes of neighbouring polymer chains pack parallel to each other. A model for the crystal structure of Ib is given. The change of packing from a herringbone to a parallel arrangement of the molecular planes is related to the introduction of methyl groups as side chains to PPV
Notes: Graz Tech Univ, Inst Festkorperphys, A-8010 Graz, Austria. Limburgs Univ Ctr, Inst Materiaalonderzoek, B-3590 Diepenbeek, Belgium. Graz Tech Univ, Inst Chem Technol Organ Stoffe, A-8010 Graz, Austria.Resel, R, Graz Tech Univ, Inst Festkorperphys, Petersgasse 16, A-8010 Graz, Austria.
Keywords: poly-(para-phenylene vinylene); PPV; X-ray diffraction; crystal structure
Document URI: http://hdl.handle.net/1942/2760
ISSN: 0026-9247
e-ISSN: 1434-4475
DOI: 10.1007/s007060170106
ISI #: 000168111600003
Category: A1
Type: Journal Contribution
Validations: ecoom 2002
Appears in Collections:Research publications

Show full item record

SCOPUSTM   
Citations

8
checked on Sep 3, 2020

WEB OF SCIENCETM
Citations

9
checked on May 21, 2022

Page view(s)

56
checked on May 22, 2022

Google ScholarTM

Check

Altmetric


Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.