Aggregation-induced emission of silole molecules and polymers: fundamental and applications

J Liu, JWY Lam, BZ Tang - … of inorganic and organometallic polymers and …, 2009 - Springer
Aggregation generally quenches the light emissions of chromophoric molecules. In this
review, we demonstrate that 1, 1-disubstituted 2, 3, 4, 5-tetraphenyl siloles and 2, 5 …

Single‐Molecule Spectroscopy for Plastic Electronics: Materials Analysis from the Bottom‐Up

JM Lupton - Advanced Materials, 2010 - Wiley Online Library
Abstract π‐conjugated polymers find a range of applications in electronic devices. These
materials are generally highly disordered in terms of chain length and chain conformation …

Structural control of the photoluminescence of silole regioisomers and their utility as sensitive regiodiscriminating chemosensors and efficient electroluminescent …

Z Li, Y Dong, B Mi, Y Tang, M Häussler… - The Journal of …, 2005 - ACS Publications
We synthesized a group of silole regioisomers 1 x, y, whose photoluminescence varied
dramatically with its regiostructure. By internally hindering the intramolecular rotation, we …

Electron–phonon and vibronic couplings in the FMO bacteriochlorophyll a antenna complex studied by difference fluorescence line narrowing

M Rätsep, A Freiberg - Journal of luminescence, 2007 - Elsevier
The electron–phonon and vibronic couplings governing the spectral properties have been
studied in the Fenna–Matthews–Olson (FMO) bacteriochlorophyll a (BChl a)–protein …

Polyfluorene photophysics

A Monkman, C Rothe, S King, F Dias - Polyfluorenes, 2008 - Springer
The fundamental optical properties and processes that occur in the polyfluorenes are
discussed. Details are given on the production of singlet and triplet excitons, their emissive …

On‐Chain Fluorenone Defect Emission from Single Polyfluorene Molecules in the Absence of Intermolecular Interactions

K Becker, JM Lupton, J Feldmann… - Advanced Functional …, 2006 - Wiley Online Library
The emission of semiconducting polyfluorenes is often accompanied by an undesired
feature in the green spectral region. Whereas a number of previous investigations have …

A universal picture of chromophores in π-conjugated polymers derived from single-molecule spectroscopy

F Schindler, JM Lupton… - Proceedings of the …, 2004 - National Acad Sciences
Single-molecule spectroscopy can provide insight into the fundamental photophysics of
large macromolecules containing tens of thousands of carbon atoms by circumventing …

Fluctuating exciton localization in giant π-conjugated spoked-wheel macrocycles

AV Aggarwal, A Thiessen, A Idelson, D Kalle… - Nature Chemistry, 2013 - nature.com
Conjugated polymers offer potential for many diverse applications, but we still lack a
fundamental microscopic understanding of their electronic structure. Elementary …

Unraveling the chromophoric disorder of poly (3-hexylthiophene)

A Thiessen, J Vogelsang, T Adachi… - Proceedings of the …, 2013 - National Acad Sciences
The spectral breadth of conjugated polymers gives these materials a clear advantage over
other molecular compounds for organic photovoltaic applications and is a key factor in …

Dual species emission from single polyfluorene molecules: signatures of stress-induced planarization of single polymer chains

K Becker, JM Lupton - Journal of the American Chemical Society, 2005 - ACS Publications
Single chains of the conjugated polymer polyfluorene are shown to exist in two distinct
conformational arrangements. Planarization of the chain to the single molecule β-phase …