Hydration-dehydration-induced reversible ordering-disordering transition of the molecular arrangement on the surface of KCP(Br) single crystals

Article Abstract:

A study was conducted to analyze a reversible ordering-disordering transition of molecular arrangements occurring on the (010) face of a single crystal of potassium tetracyanoplatinate bromide during hydration and dehydration treatments. Atomic force microscopy experiments were performed using the SPA300 AFM instrument in a sealed chamber. Experimental results indicated that decreases in the conductivity of KCP(Br) single crystals during dehydration correlated with the molecular rearrangement process.

Hydration, Rehydration solutions, Crystals, Molecular dynamics, Rearrangements (Chemistry), Potassium compounds

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Nanoconfined electrochemical nucleation of crystalline molecular monolayers on graphite substrates

Article Abstract:

A study was conducted to analyze the electrochemical nucleation of epitaxially oriented, crystalline monolayers of bis(ethylenedithiolo)tetrathiafulvalene triiodide on the basal plane of pyrolytic graphite electrodes. Real-time in situ atomic force microscopy was carried out to analyze the nucleation. Results indicated that the nucleation of crystalline organic monolayers were suppressed in nanoscale pits in highly oriented pyrolytic graphite substrates.

Semiconductors, Monomolecular films, Electrochemistry, Nucleation, Nucleation (Chemistry), Electrodes

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