An experimental and theoretical study of the formation of nanostructures of self-assembled cyanuric acid through hydrogen bond networks on graphite

Article Abstract:

Scanning tunneling microscopy and theoretical simulations are applied in analysis of the self-assembly of cyanuric acid into ordered nanostructures on a crystalline substrate, highly ordered pyrolytic graphite (HOPG) at low temperature under ultrahigh vacuum (UHV) conditions. The empirical outcomes of coexistent, two-dimensional crystalline structures with unique hydrogen bond along with energy minimizations and molecular dynamics calculations demonstrate multiple stable structures for the molecule when self-assembled on graphite.

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Self-assembly of small polycyclic aromatic hydrocarbons on graphite: A combined scanning tunneling microscopy and theoretical approach

Article Abstract:

The geometric arrangements and electronic properties of small polycyclic aromatic hydrocarbons (PAHs) on graphite surfaces using a combined scanning tunneling microscopy (STM) and theoretical approach are characterized. The results are discussed within the context of PAH and soot particle formation, because both chrysene and indene are known reaction products from the combustion of small hydrocarbons.

Polycyclic aromatic hydrocarbons

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The chemistry of cyanuric acid ([H.sub.3][C.sub.3][N.sub.3][O.sub.3]) under high pressure and high temperature

Article Abstract:

Cyanuric acid ([H.sub.3][C.sub.3][N.sub.3][O.sub.3]) at static pressures up to 8.1 GPa and simultaneous temperatures up to 750 K are studied by using infrared absorption spectroscopy. The infrared spectra has shown that pressure has led to the formation of heterocycles of increasing complexity and biological potential, with the composition determined by the pressure of formation.

Analysis, Spectra, Infrared spectroscopy, Decomposition (Chemistry)

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