Carbenes in matrices - spectroscopy, structure, and reactivity

Article Abstract:

The chemistry and spectroscopy of matrix-isolated carbenes is discussed. Three classes of matrices are used to isolate and study carbenes, namely inert gas matrices, organic glasses and powder matrices. Emphasis is given to inert-gas-isolated carbenes. Matrix isolation is an effective technique for determining spectroscopic and chemical properties of carbenes but data obtained by matrix isolation are found to be limited to the bond angle at the carbene center and is not available for singlet carbenes.

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Cavity ringdown laser absorption spectroscopy: history, development, and application to pulsed molecular beams

Article Abstract:

The theory, development and applications of the cavity ringdown laser absorption spectroscopy (CRLAS), with focus on the application of pulsed molecular beam spectroscopy, are discussed. CRLAS is a newly developed direct absorption technique which measures the electronic spectra of jet-cooled molecules and clusters with both high sensitivity and high spectral resolution. The evaluation of the method characterizes it as a simple, sensitive and powerful tool for spectroscopic studies.

Absorption of light, Light absorption

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Formation and structure of self-assembled monolayers

Article Abstract:

Complex, semiflexible organic molecules organize themselves into self-assembled monolayer (SAM) with quasi-2 dimensional assemblies because of surface chemical interplay among different components. This involves substrate-adsorbate interactions, nonbonded interactions between adsorbates, electrostatic and van der Waals forces, and intramolecular interactions. Areas where SAMs can be useful include analytical chemistry and for investigating surface properties at the molecular level.

Monomolecular films, Surface chemistry

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