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Electrochemical deposition as a unique solution processing method for insoluble organic optoelectronic materials

机译:电化学沉积作为不溶性有机光电材料的独特溶液处理方法

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摘要

Electrochemical deposition is shown to be a novel technique to deposit films of -dibutylperylene-3,4:9,10-bis(dicarboximide) (BuPTCDI) dye that avoids the need for high vacuum or solubilising side chains on the molecule. The technique exploits the higher solubility of the reduced ionic form of the dye over the neutral form. BuPTCDI was chemically reduced to solubilise and then electrochemically oxidised to form a film on various substrates. The properties of the films were investigated by UV/Vis spectroscopy, Photoluminescence, Raman spectroscopy, X-ray diffraction, SEM and photoconductivity showing the successful deposition of the BuPTCDI molecules. The technique was also used to deposit films on interdigitated-electrode substrates enabling measurement of field-effect mobility.
机译:电化学沉积被证明是一种沉积-dibutylperylene-3,4:9,10-bis(diarboximide)(BuPTCDI)染料薄膜的新颖技术,该技术避免了在分子上需要高真空或增溶侧链的麻烦。该技术利用了染料的还原离子形式相对于中性形式的更高溶解度。将BuPTCDI进行化学还原以使其溶解,然后进行电化学氧化以在各种基材上形成薄膜。通过UV / Vis光谱,光致发光,拉曼光谱,X射线衍射,SEM和光电导研究了膜的性能,表明BuPTCDI分子的成功沉积。该技术还用于在叉指电极基板上沉积薄膜,从而可以测量场效应迁移率。

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