High-capacitance organic nanodielectrics: Effective medium models of their response

Article Abstract:

The effectivities of solution-processable self-assembled nanodielectrics (SANDs) and cross-linked polymer blends (CPBs) organic nanodielectrics are investigated by using Maxwell-Garnett effective medium approximation (EMA) models. The results have shown that greater capacitances can be achieved with cross-linked composites than with layered composites when all parameters are equal.

Design and construction, Monomolecular films, Field-effect transistors, Field effect transistors, Crosslinked polymers, Polymer crosslinking

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Electronic structure and band gaps in cationic heterocycle oligomers. Multidimensional analysis of the interplay of heteroatoms, substituents, molecular length, and charge on redox and transparency characteristics

Article Abstract:

A systematic multidimensional computational study was conducted on a wide range of oligoheterocycles, substituents, and oligomer chain, lengths. The results of the study indicate that the midgap states vary considerably due to an interplay of heteroatom, heterocycle substituents and conjugation length effects.

Oxidation-reduction reaction, Oxidation-reduction reactions, Electron configuration, Oligomers, Chemical properties

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Adsorption of polar molecules on a molecular surface

Article Abstract:

Calculations are presented on the electrostatic potential modification arising from molecular adsorbates on a molecular monolayer. A polar analyte molecule such as water or ammonia influences the potential of the monolayer, which in turn affects the surface potential of the underlying semiconductor.

Analysis, Molecular structure, Hydrogen bonding

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