Expanded theory of H-and J-molecular aggregates: the effects of vibronic coupling and intermolecular charge transfer

NJ Hestand, FC Spano - Chemical reviews, 2018 - ACS Publications
The electronic excited states of molecular aggregates and their photophysical signatures
have long fascinated spectroscopists and theoreticians alike since the advent of Frenkel …

Odd− Even Effects in Self-Assembled Monolayers of ω-(Biphenyl-4-yl) alkanethiols: A First-Principles Study

G Heimel, L Romaner, JL Brédas, E Zojer - Langmuir, 2008 - ACS Publications
Conjugated molecules with a saturated alkyl linker between a thiol docking group and the π-
conjugated core have been shown to form self-assembled monolayers (SAMs) with a high …

Low-energy vibrational modes in phenylene oligomers studied by THz time-domain spectroscopy

MB Johnston, LM Herz, ALT Khan, A Köhler… - Chemical physics …, 2003 - Elsevier
Low-energy vibrational modes have been investigated in polycrystalline biphenyl, para-
terphenyl, para-quaterphenyl and para-sexiphenyl using THz time-domain spectroscopy …

Blue emitting organic semiconductors under high pressure: status and outlook

M Knaapila, S Guha - Reports on Progress in Physics, 2016 - iopscience.iop.org
This review describes essential optical and emerging structural experiments that use high
GPa range hydrostatic pressure to probe physical phenomena in blue-emitting organic …

Chain morphologies in semicrystalline polyfluorene: evidence from Raman scattering

M Arif, C Volz, S Guha - Physical review letters, 2006 - APS
The β phase in di-octyl substituted polyfluorene (PF8) exhibits a surprising level of
conformational order at nanometer length scales compared to other phases. We present …

Conformations in dioctyl substituted polyfluorene: A combined theoretical and experimental Raman scattering study

C Volz, M Arif, S Guha - The Journal of chemical physics, 2007 - pubs.aip.org
The structural properties of polyfluorenes (PF) are extremely sensitive to the choice of
functionalizing side chains. Dioctyl substituted PF (PF8) adopts metastable structures that …

Multiple mode exciton-vibrational coupling in H-aggregates: synergistic enhancement of the quantum yield

FC Spano, L Silvestri - The Journal of chemical physics, 2010 - pubs.aip.org
The impact of exciton-vibrational coupling involving fast and slow vibrational modes on
absorption and emission in molecular H-aggregates is investigated using a multimode …

Pressure-induced changes in crystalline structures of polyimides analyzed by wide-angle X-ray diffraction at high pressures

K Takizawa, H Fukudome, Y Kozaki, S Ando - Macromolecules, 2014 - ACS Publications
Variations in the crystalline structures of polyimides (PIs) were analyzed under high
pressures up to 8 GPa using wide-angle X-ray diffraction. The compressibilities along the …

Tuning the electronic coupling in a low-bandgap donor–acceptor copolymer via the placement of side-chains

PM Oberhumer, YS Huang, S Massip… - The Journal of …, 2011 - pubs.aip.org
We present a spectroscopic and theoretical investigation of the effect of the presence and
position of hexyl side-chains in the novel low-bandgap alternating donor–acceptor …

Study of high-pressure Raman intensity behavior of aromatic hydrocarbons: Benzene, biphenyl and naphthalene

M Zhou, K Wang, Z Men, S Gao, Z Li, C Sun - Spectrochimica Acta Part A …, 2012 - Elsevier
Raman spectra of benzene, naphthalene and biphenyl have been taken up to a pressure of
13GPa. The results for benzene and naphthalene indicate that the perturbation of inter …