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Advanced Materials

Sub-Micrometer Charge Modulation Microscopy of a High Mobility Polymeric n-Channel Field-Effect Transistor



Electro-optical mapping of the charge density with sub-micrometer resolution can be obtained in a high mobility, top-gate n-channel polymer field-effect transistor by charge modulation microscopy. Local features on the 1 μm scale are unveiled and, using scanning transmission X-ray microscopy measurements, are attributed to structural variations within the polymeric film.

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