Morphological study of a poly(3,4-ethylenedioxythiophene)/polystyrenesulfonic acid mixture by solid state 13C-CP/MAS NMR relaxometry期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Morphological study of a poly(3,4-ethylenedioxythiophene)/polystyrenesulfonic acid mixture by solid state 13C-CP/MAS NMR relaxometry

Affiliation:	1. Department of Orthopaedics, University Hospitals Leuven, Weligerveld 1, 3212, Pellenberg, Belgium;2. Department of Interventional Radiology, University Hospitals Leuven, Weligerveld 1, 3212, Pellenberg, Belgium;3. Department of Anesthesiology, University Hospitals Leuven, Weligerveld 1, 3212, Pellenberg, Belgium

Abstract:	The nanometer morphology of a mixture of the electrically conductive polymer poly(3,4-ethylenedioxythiophene) and polystyrenesulfonic acid is studied by means of solid state ¹³C-CP/MAS NMR relaxation experiments. Based on the T₁H and T_1ρH NMR relaxation decay times, determined via the chemical shift selective carbon resonances, it can be concluded that the mixture is homogeneous on the nanometer scale. Consequently, charge transport (hopping) between PEDT chains is hindered, resulting in antistatic properties.

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