About supramolecular assemblies of π-conjugated systems

FJM Hoeben, P Jonkheijm, EW Meijer… - Chemical …, 2005 - ACS Publications
With the introduction of π-conjugated systems in electronic devices and the dream to arrive
at molecular electronics based on these systems, the detailed understanding of the …

Single-molecule spectroscopy of conjugated polymers

PF Barbara, AJ Gesquiere, SJ Park… - Accounts of chemical …, 2005 - ACS Publications
The molecular structure, photochemistry, and device physics of conjugated polymers have
been investigated by single-molecule spectroscopy (SMS), using the unique ability of this …

Single molecule nanoparticles of the conjugated polymer MEH− PPV, preparation and characterization by near-field scanning optical microscopy

C Szymanski, C Wu, J Hooper… - The Journal of …, 2005 - ACS Publications
We have developed a straightforward method for producing a stable, aqueous suspension
of hydrophobic, fluorescent π-conjugated polymer nanoparticles consisting primarily of …

Statistical evaluation of single nano‐object fluorescence

M Lippitz, F Kulzer, M Orrit - ChemPhysChem, 2005 - Wiley Online Library
Single nano‐objects display strong fluctuations of their fluorescence signals. These random
and irreproducible variations must be subject to statistical analysis to provide microscopic …

Photon-echo studies of collective absorption and dynamic localization of excitation in conjugated polymers and oligomers

X Yang, TE Dykstra, GD Scholes - Physical Review B—Condensed Matter and …, 2005 - APS
Investigations of the origins of line broadening and excited state dynamics for the
conjugated polymer poly [2-methoxy, 5-(2-ethyl-hexoxy)-1, 4-phenylenevinylene](MEH-PPV) …

Singlet− triplet and triplet− triplet interactions in conjugated polymer single molecules

J Yu, R Lammi, AJ Gesquiere… - The Journal of Physical …, 2005 - ACS Publications
Single molecule fluorescence correlation spectroscopy has been used to investigate the
photodynamics of isolated single multichromophoric polymer chains of the conjugated …

Single molecule spectroscopy of organic dye nanoparticles

AJ Gesquiere, T Uwada, T Asahi, H Masuhara… - Nano Letters, 2005 - ACS Publications
Organic dye nanoparticles 1− 13 nm in height and 10− 45 nm in width were prepared by the
reprecipitation method. With single-molecule/nanoparticle spectroscopy, two distinct types of …

Computational study of the structure, dynamics, and photophysical properties of conjugated polymers and oligomers under nanoscale confinement

BG Sumpter, P Kumar, A Mehta… - The Journal of …, 2005 - ACS Publications
Computational simulations were used to investigate the dynamics and resulting structures of
several para-phenylenevinylene (PPV) based polymers and oligomers (PPV, 2-methoxy-5 …

Excited state dynamics of a conformationally disordered conjugated polymer: A comparison of solutions and film

TE Dykstra, V Kovalevskij, X Yang, GD Scholes - Chemical physics, 2005 - Elsevier
We compare poly [2-methoxy, 5-(2′-ethyl-hexoxy)-1, 4-phenylenevinylene](MEH-PPV)
solutions in chlorobenzene, toluene and tetrahydrofuran with a film of MEH-PPV spun cast …

Single Chromophore Spectroscopy of MEH‐PPV: Homing‐In on the Elementary Emissive Species in Conjugated Polymers

F Schindler, JM Lupton - ChemPhysChem, 2005 - Wiley Online Library
Low‐temperature, single‐molecule spectroscopy can provide unparalleled access to the
primary emissive species of conjugated polymers. We demonstrate this with the example of …