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Electrochemical loading of TEM grids used for the study of potential dependent morphology of polyaniline nanofibres
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GOPALA RAM BHADU ANIRBAN PAUL MOSARRAT PERWEEN RAJEEV GUPTA JAYESH C. CHAUDHARI DIVESH N. SRIVASTAVA 《Journal of microscopy》2016,261(3):333-338
An electrochemical method for loading electroactive materials over the TEM grid is reported. The protocol has been demonstrated using polyaniline as an example. The electroactive polymer was directly deposited over the Au TEM grid, used as working electrode in a 3 electrode electrochemical cell. The undisturbed as‐deposited morphologies under the influence of various counter ions and ex situ electrochemical states have been studied and compared. Contrary to behaviour in bulk the individual polyaniline fibre was found thinner at anodic potentials. The movement of counter ions as a function of the electrochemical state of the polymer was studied using STEM‐EDX elemental mapping. 相似文献
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