The electronic excited states of molecular aggregates and their photophysical signatures
have long fascinated spectroscopists and theoreticians alike since the advent of Frenkel …

Electronic excitations in small aggregates, thin films, and crystals of conjugated organic
molecules play a fundamental role in the operation of a wide array of organic-based devices …

Conspectus Excitons and polarons play a central role in the electronic and optical properties
of organic semiconducting polymers and molecular aggregates and are of fundamental …

Exciton coherence in a J-aggregate with exciton− phonon coupling involving a single
intramolecular vibration is studied. For linear aggregates with no disorder and periodic …

The investigation of the exciton dispersion (ie the exciton energy dependence as a function
of the momentum carried by the electron–hole pair) is a powerful approach to identify the …

A theory describing vibronic coupling in direct band gap, one-dimensional semiconductors
is developed to account for the photophysical properties of isolated, defect-free conjugated …

Polaritons in an ensemble of permutationally symmetric chromophores confined to an
optical microcavity are investigated numerically. The analysis is based on the Holstein …

Photoactive organic and hybrid organic–inorganic materials such as conjugated polymers,
covalent organic frameworks (COFs), metal–organic frameworks (MOFs), and layered …

Absorption and linear dichroism spectra of self-assembled tubular aggregates of TPPS 4
porphyrin are studied theoretically with special emphasis on the low energy part of the …

accepted 26 June 2009; published online 23 July 2009 Validity of the approach recently
proposed to describe intermediate-to-strong linear vibronic coupling in an infinite molecular …