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首页> 外文会议>International Conference on Digital Printing Technologies; 20041031-1105; Salt Lake City,UT(US) >Electroanalytical Screening Method for Characterization of Charge Transport Compounds
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Electroanalytical Screening Method for Characterization of Charge Transport Compounds

机译：表征电荷传输化合物的电分析筛选方法

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Cyclic voltammetry has been demonstrated as a rapid screening method for use in characterization of charge transport materials. This technique is simple, fast, and inexpensive to perform. The method provides information about electron transfer processes including band gap of the material and the relative ease of charge and discharge. Certain features of the cyclic voltammetric (CV) wave correspond to events involved in charge generation, charge transport, and discharge within the photoconductor. The potential of the first CV wave observed, either reduction or oxidation, corresponds fairly well to the ease of charging the photoconductor. The type of electron transfer indicates whether the material is more readily oxidized (to positive charge) or reduced (to negative charge). The current ratio of that CV wave is a reasonable predictor of the ease and completeness of discharge, and the reversibility of the wave is a predictor of the kinetics of the process. We report results from this cyclic voltammetric screening method for a number of charge transport compounds, and compare these results with behavior of the compounds in the electrophotographic environment.
机译：循环伏安法已被证明是一种用于表征电荷传输材料的快速筛选方法。该技术简单，快速且执行成本低廉。该方法提供有关电子转移过程的信息，包括材料的带隙以及相对容易的充放电。循环伏安（CV）波的某些特征对应于光电导体内电荷产生，电荷传输和放电所涉及的事件。观察到的第一个CV波的电位（还原或氧化）与光电导体的充电容易程度相当好。电子转移的类型表明材料是更容易被氧化（变成正电荷）还是被还原（变成负电荷）。该CV波的电流比率可以合理地预测放电的容易程度和完整性，而波的可逆性则可以预测过程的动力学。我们报告了这种电荷转移化合物的循环伏安筛选方法的结果，并将这些结果与化合物在电子照相环境中的行为进行了比较。

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