Transient of One-Carrier Injections in Polar Liquids

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Abstract
The transient space‐charge‐limited current technique developed in crystals is made to fit polar liquids: First, from a theoretical point of view the injection is no longer only limited by space charge, the electrode–liquid contact being non‐Ohmic; second, from an experimental point of view, the electric field distribution is at every moment determined by means of the electro‐optic Kerr effect, and known ions are injected by permselective membranes. Applying this technique makes it possible to estimate the mobility of different carriers injected into different polar liquids and brings out high mobility values of about 2 × 10−3 cm2 V−1·sec−1. Account is taken of the influence of bulk liquidmotion to explain the high values of ionic velocities obtained.

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