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H.-M. Liem, P. Etchegoin, K.S. Whitehead and D.D.C. Bradley Raman Anisotropy Measurements: An Effective Probe of Molecular Orientation in Conjugated Polymer Thin Films Advanced Functional Materials 13

Version of Record online: 30 JAN 2003 | DOI: 10.1002/adfm.200390008

A direct structural probe of molecular orientation in aligned conjugated polymer films is shown to be provided by Raman anisotropy measurements. The data can be collected in situ for standard device structures and film thicknesses, with microscopic resolution and chemical specificity. Additionally, molecular orientation can be more directly and accurately characterized than is possible using optical dichroism measurements. Measuring the alignment of conjugated polymers within thin-film samples is essential for a complete picture of their optical and transport properties, and for the further development of optoelectronic devices.

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