Analysis Of Hysteresis And Transport Regimes Using The Normalized Differential Conductance In Hybrid Inorganic/organic Nanocomposites

Hysteresis in the current-voltage characteristics is usually observed in several types of materials and devices. Its origin is still controversial and the subject of intense research even to date. The interest in this phenomenon is constantly renewed as new materials that exhibit this characteristic are developed because of its undesired effects on the performance of different devices like solar cells and sensors. The space charge limited current spectroscopy is a technique frequently used to study transport in general and it has been used particularly to identify the dominant mechanisms during different branches of the current voltage hysteresis loops. The transport regimes are identified from the slope of double logarithmic plots of the experimental data. This methodology is relatively poor, particularly when linear regions of those plots are narrow or even non-existent. Thus, more efficient and detailed analytical techniques are required. One of these techniques is based on the use of the normalized di...