Adsorption state and morphology of tetracyanoquinodimethane deposited from solution onto the atomically smooth native oxide surface of Al(111) films studied by x-ray photoelectron spectroscopy and atomic force microscopy

Article Abstract:

The adsorption state and morphology of tetracyanoquinodimethane (TCNQ) deposited from solution onto the atomically smooth native oxide surface of Al(111) films were investigated by X-ray photoelectron spectroscopy (XPS) and atomic force microscopy (AFM). The analysis of the XP spectra of the deposited TCNQ showed that it is adsorbed as both the neutral and ionized state on the surfaces and the intensity for the former increases more rapidly than that for the latter as the concentration increases.

Methane, Aluminum, Adsorption, Chemical properties

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Light-induced formation of silver particles and clusters in crosslinked PVA/PAA films

Article Abstract:

Thin films able to sustain an efficient photoreduction of Ag ions with 350 nm photons in air are prepared by crosslinking poly(vinyl alcohol) with glutaraldehyde in the presence of poly(acrylic acid). The results along with the long-term stability of the photogenerated Ag(super +)(sub 3) clusters are consistent with a particle nucleation process based on diffusion and coalescence of mobile metal atoms in the films.

Primary nonferrous metals, not elsewhere classified, Primary Smelting and Refining of Nonferrous Metal (except Copper and Aluminum), Silver, Optical properties, Vinyl compounds

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