Journal ArticleDOI
Expanded Theory of H- and J-Molecular Aggregates: The Effects of Vibronic Coupling and Intermolecular Charge Transfer.
TLDR
This review outlines advances made in understanding the relationship between aggregate structure and photophysics when vibronic coupling and intermolecular charge transfer are incorporated.Abstract:
The electronic excited states of molecular aggregates and their photophysical signatures have long fascinated spectroscopists and theoreticians alike since the advent of Frenkel exciton theory almost 90 years ago. The influence of molecular packing on basic optical probes like absorption and photoluminescence was originally worked out by Kasha for aggregates dominated by Coulombic intermolecular interactions, eventually leading to the classification of J- and H-aggregates. This review outlines advances made in understanding the relationship between aggregate structure and photophysics when vibronic coupling and intermolecular charge transfer are incorporated. An assortment of packing geometries is considered from the humble molecular dimer to more exotic structures including linear and bent aggregates, two-dimensional herringbone and “HJ” aggregates, and chiral aggregates. The interplay between long-range Coulomb coupling and short-range charge-transfer-mediated coupling strongly depends on the aggregate ...read more
Citations
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Two-path self-interference in PTCDA active waveguides maps the dispersion and refraction of a single waveguide mode
TL;DR: In this article, a two-path interference experiment on single-mode active organic waveguides is performed to visualize the dispersion of the waveguide mode in energy-momentum space.
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Self-Assembly Regulated Singlet Oxygen Generation of Heavy-Atom-Free Organic Chromophores
TL;DR: In this paper , the authors present the first example of modulation of singlet oxygen generation through controlling the self-assembly behaviors of heavy-atom-free BODIPY derivatives (1, 4) by incorporating different TEG chains on the core.
Journal ArticleDOI
Beyond p-Hexaphenylenes: Synthesis of Unsubstituted p-Nonaphenylene by a Precursor Protocol
Ali Abdulkarim,Marvin Nathusius,Marvin Nathusius,Rainer Bäuerle,Karl-Philipp Strunk,Sebastian Beck,Hans Joachim Räder,Annemarie Pucci,Christian Melzer,Daniel Jänsch,Jan Freudenberg,Uwe H. F. Bunz,Klaus Müllen +12 more
TL;DR: The first preparation of unsubstituted para‐nonaphenylenes (9PPs) is reported by extending the precursor route to poly‐para‐phenylene (PPP) to a discrete oligomer, allowing to study the structure–property relationship of para‐phenylene oligomers and polymers.
Journal ArticleDOI
Dynamic Full‐Color Tuning of Organic Chromophore in a Multi‐Stimuli‐Responsive 2D Flexible MOF
Zhaoquan Yao,Kai Wang,Rui Liu,Yiwen Yuan,Jing Pang,Quan-Wen Li,Tianyin Shao,Zhi Gang Li,Rui Feng,Bo Zou,Wei Li,Jian Xu,Xian-He Bu +12 more
TL;DR: In this paper , a conformation-adaptable organic chromophore was incorporated into the established coordination space of a flexible metal-organic framework (MOF) for color tunability over the visible range.
Journal ArticleDOI
Micellization, aggregation, and molecular interactions involved in CTAB‐Alizarin Red S complexation
TL;DR: In this article , a tensiometry and conductivity approach was used to calculate the micellization and thermodynamic parameters of anionic dye and cationic surfactant in an aqueous medium at 303.15 K employing various physicochemical characterization.
References
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Journal ArticleDOI
Detailed Balance Limit of Efficiency of p‐n Junction Solar Cells
TL;DR: In this article, an upper theoretical limit for the efficiency of p−n junction solar energy converters, called the detailed balance limit of efficiency, has been calculated for an ideal case in which the only recombination mechanism of holeelectron pairs is radiative as required by the principle of detailed balance.
Journal ArticleDOI
Coherence in Spontaneous Radiation Processes
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Journal ArticleDOI
Organic Thin Film Transistors for Large Area Electronics
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Journal ArticleDOI
Charge transport in organic semiconductors.
Veaceslav Coropceanu,Jérôme Cornil,Demetrio A. da Silva Filho,Yoann Olivier,Robert J. Silbey,Jean-Luc Brédas +5 more
TL;DR: Electronic Coupling in Oligoacene Derivatives: Factors Influencing Charge Mobility, and the Energy-Splitting-in-Dimer Method 3.1.