UV/vis spectroscopy of metalloporphyrin and metallophthalocyanine monolayers self-assembled on ultrathin gold films
Article Abstract:
An attempt is made to demonstrate the use of evaporated ultrathin gold films on mica to obtain transmission UV/vis spectra of monomolecular overlayers containing chromophores. Results obtained for monolayers containing metalloporphyrins and metallophthalocyanines on ultrathin gold indicate that the monolayer spectra can be resolved and analyzed and provide adsorption kinetics and useful information on chemical and structural properties of self-assembled monolayers.
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2000
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NIR luminescence intensities increase linearly with proportion of polar thiolate ligands in protecting monolayers of Au38 and Au140 quantum dots
Article Abstract:
The near-infrared photoluminescence of monolayer-protected Au38 and Au140 clusters (MPCs) is intensified with exchange of nonpolar ligands by more polar thiolate ligands. The observations are consistent with sensitivity of the luminescence mechanism to any factor that enhances the electronic polarization of the bonds between the Au core atoms and their thiolate ligands.
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2006
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Shape control in electrodeposited, epitaxial CdSe nanocrystals on (111) gold
Article Abstract:
Variation in the deposition current density controls the shape and aspect ratio of electrodeposited CdSe nanocrystals. Photoelectrochemical spectroscopy is also used on these nanocrystals to estimate their band gap values.
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2003
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