STM study of terephthalic acid self-assembly on Au(111): Hydrogen-bonded sheets on an inhomogeneous substrate

Article Abstract:

A study of the adsorption and ordering of the molecule terephthalic acid (TPA), 1.4-benzene-dicarboxylic acid C6H4-(COOH)2, on the reconstructed Au(111) surface is presented in situ in ultrahigh vacuum by scanning tunneling microscopy (STM) at room temperature. The study observed six domain orientations resulting for the 3-fold rotational substrate symmetry and the 2D chirality of the supermolecular lattice.

Primary nonferrous metals, not elsewhere classified, Primary Smelting and Refining of Nonferrous Metal (except Copper and Aluminum), Industrial Organic Chemicals, Gold, Cyclic Crude and Intermediate Manufacturing, Terephthalic Acid, Hydrogen bonding, Hydrogen bonds, Chemical properties

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Formation of metallic nanocrystals from gel-like precursor films for CVD nanotube growth: An in situ TEM

Article Abstract:

The catalytic growth of carbon nanotubes by chemical vapour deposition (CVD) is a widespread technique for nanotube production. The growth of nanotubes is investigated via the formation of catalyst particle. The results reveal the evolution of a continuous Fe((NO3)sub 3) catalyst film on the surface by in situ annealing in a transmission electron microscope (TEM).

All Other Miscellaneous Nonmetallic Mineral Product Manufacturing, Crystals, Usage, Thermal properties, Transmission electron microscopes, Nanotubes

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