Topic
Pentacene
About: Pentacene is a research topic. Over the lifetime, 5051 publications have been published within this topic receiving 161481 citations. The topic is also known as: 2,3:6,7-dibenzanthracene & benzo[b]naphthacene.
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TL;DR: In this article, a modular numerical model for organic thin-film field effect transistors (OTFTs) is presented, which allows for an arbitrary density of states to be independently defined for the semiconductor bulk and the surface next to the gate insulator.
Abstract: We present a modular numerical model for organic thin-film field-effect transistors (OTFTs) that allows for an arbitrary density of states to be independently defined for the semiconductor bulk and the semiconductor surface next to the gate insulator. We can derive the surface charge density dependence on the interface field as well as the space-charge-limited current characteristics. Together with a model of the contacts, we arrive at a physical model that is applied to a series of OTFTs in staggered inverted (top contact) geometry with various gate insulator treatments
59 citations
TL;DR: In this article, the influence of the semi-conductor thickness on organic thin-film transistors (OTFTs) was investigated. And the authors found an increasing contact resistance and a decreasing channel mobility for both n- and p-channel OTFTs made from a N,N-dialkylsubstituted-(1,7&1,6)-dicyanoperylene-3,4:9,10-bis(dicarboximide) derivative (Polyera ActivInk™ N1400).
58 citations
TL;DR: In this article, the memory effect is adjusted by varying the location of Ag NPs within the pentacene thin film, which is ascribed to the different trap densities.
58 citations
TL;DR: In this article, the effects of surface modification of indium tin oxide (ITO) on the performance of organic multilayer molecular photovoltaic devices based on pentacene/C60 bi-layer heterojunctions were investigated.
Abstract: We investigate the effects of surface modification of indium tin oxide (ITO) on the performance of organic multilayer molecular photovoltaic devices based on pentacene/C60 bi-layer heterojunctions. Values of the open-circuit voltage (Voc), short circuit current density (Jsc), fill factor (FF), and power conversion efficiency (η) are found invariant of the work function and surface hydrophobicity of ITO. Insensitivity of these parameters to variations of work function in the range of 4.50 to 5.40 eV achieved through the use of surface modifiers are correlated with an invariance of the barrier height (∼0.6 eV) due to Fermi level pinning at the ITO/pentacene interface. Energy barrier heights are extracted independently from the analysis of the electrical characteristics of single-layer diodes based on modified ITO and pentacene using an equivalent circuit model.
58 citations
TL;DR: In this article, a double-layer of organic dielectrics, thermal curable acrylate polymer (JSS-362) and inorganic dielectric, aluminum oxide (Al2O3) was used as gate dieslectrics.
58 citations