Learning objectives
Give a short introduction to quantum mechanics.<br />
Approach to some spectroscopic techniques (absorption in UV-visible-IR; FT-IR; Fluorescence; Raman).<br />
Interpretation of spectroscopic data to extract molecular information.
Course unit content
UV-visible spectrophotometers, transmittance, absorbance, color, molar extinction coefficient.<br />
Introduction to quantum mechanocs. Particle in a box. Application to pi-conjugated molecules.<br />
Adiabatic approximation. Potential energy surfaces.<br />
Absorption spectra. Franck-Condon principle. Jablonski diagrams, Kasha rule. Fluorescence spectra, Stokes-shift, spectrofluorometers.<br />
Solvatochromism: reaction field and dependence of absorption, fluorescence and Stokes-shift on the solvent polarity.<br />
Introduction to Fourier transform. Michelson interferometer inside FT-IR spectrophotometers. Sampling and truncation of interferograms.<br />
Vibro-rotational spectra of diatomic molecules. <br />
Raman spectroscopy. IR and Raman selection rules. Symmetry and selection rules.
Bibliography
P. W. Atkins, Physical Chemistry.
Teaching methods
A laboratory notebook must be prepared and delivered at least one week before the examination.