Superheated high-temperature size-exclusion chromatography with chloroform as the mobile phase for π-conjugated polymers

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发布日期 2013-08-30

DOI 10.1039/C3PY00933E

影响因子 5.582

作者

Xianwen Lou, Joost L. J. van Dongen, Yasmine Braeken, Jeroen Brebels, Gijs W. P. van Pruissen, Weiwei Li, Martijn M. Wienk, René A. J. Janssen

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摘要

π-Conjugated polymers for organic electronic applications are often designed to aggregate or crystallize to enhance their charge carrier mobility. Their electronic properties often improve with increasing molecular weight. Determining the molecular weight of these polymers via size-exclusion chromatography (SEC), however, is complicated due to their significant aggregation in solution. We demonstrate that superheated high-temperature SEC with chloroform as the mobile phase, operated at temperatures well above the normal boiling point of the solvent, can effectively be used to determine the molecular weight for these polymers by dissolving the aggregates.

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来源期刊

Polymer Chemistry

CiteScore: 8.6

自引率: 7.3%

年发文量: 457

Polymer Chemistry welcomes submissions in all areas of polymer science that have a strong focus on macromolecular chemistry. Manuscripts may cover a broad range of fields, yet no direct application focus is required.

Superheated high-temperature size-exclusion chromatography with chloroform as the mobile phase for π-conjugated polymers

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