Results 41 to 50 of about 3,082 (195)

Chiral perylene materials by ionic self-assembly [PDF]

, 2016
Two chiral complexes (1-SDS and 1-SDBS) were prepared via the ionic self-assembly of a chiral perylene diimide tecton with oppositely charged surfactants.
Charl F. J. Faul, Geraldine Echue, Guy C. Lloyd Jones, Ian Hamley, Kasha M.   +4 more
core   +5 more sources

Ab-Initio Calculation of Molecular Aggregation Effects: a Coumarin-343 Case Study [PDF]

, 2013
We present time-dependent density functional theory (TDDFT) calculations for single and dimerized Coumarin-343 molecules in order to investigate the quantum mechanical effects of chromophore aggregation in extended systems designed to function as a new ...
Agranovich V., Agranovich V. M., Blankenship R. E., Cao J., Cheng Y.-C., Clark T., Collini E., Cossi M., Curutchet C., Davydov A. S., Didraga C., Didraga C., Ditchfield R., Donghyun Lee, Dreuw A., Endo M., Engel G. S., Fink R. F., Fink R. F., Frisch M. J., Gross E., Hariharan P., Hehre W. J., Howard I. A., Hsu C.-P., Ivanic J., K. Birgitta Whaley, Kasha M., Klug A., Knoester J., Kowalski K., Krishnan R., Krueger B. P., Liu W., Loren Greenman, Löwdin P.-O., Ma Y.-Z., Madjet M. E., Madjet M. E., Miller R. A., Mohan Sarovar, Muh F., Mulliken R. S., Muñoz Losa A., Nam Y. S., Novoderezhkin V. I., Pan F., Perdew J. P., Perdew J. P., Peverati R., Peverati R., Piecuch P., Runge E., Sarovar M., Sarovar M., Schmidt M. W., Scholes G. D., Scholes G. D., Scholes G. D., Scholes G. D., Scholes G. D., Scholes G. D., Scholes G. D., Shao Y., Sinnokrot M. O., Stephens P. J., Tawada Y., van Amerongen H., Witus L. S., Wloch M., Zhao H. M., Zhao Y.   +71 more
core   +2 more sources

1,6- and 1,7-Regioisomers of Asymmetric and Symmetric Perylene Bisimides: Synthesis, Characterization and Optical Properties

Molecules, 2013
The 1,6- and 1,7-regioisomers of dinitro- (1,6-A and 1,7-A) and diamino-substituted perylene bisimides (1,6-B and 1,7-B), and 1-amino-6-nitro- and 1-amino-7-nitroperylene bisimides (1,6-C and 1,7-C) were synthesized. The 1,6-A and 1,7-A regioisomers were
Hsing-Yang Tsai, Che-Wei Chang, Kew-Yu Chen   +2 more
doaj   +1 more source

Perylene Diimide Aggregates on Sb-Doped SnO2: Charge Transfer Dynamics Relevant to Solar Fuel Generation [PDF]

, 2017
open14siThe project leading to this application has received funding from the European Union’s Horizon 2020 Research and Innovation Programme under the Marie Sklodowska-Curie grant agreement no. 705723.The deposition of perylene diimide-based aggregates (

core   +1 more source

A Low Reabsorbing Luminescent Solar Concentrator Employing π-Conjugated Polymers [PDF]

, 2015
A highly efficient thin-film luminescent solar concentrator (LSC) utilizing two π-conjugated polymers as antennae for small amounts of the valued perylene bisimide Lumogen F Red 305 is presented. The LSC exhibits high photoluminescence quantum yield, low
Bawendi, Moungi G., Coropceanu, Igor, Gutierrez, Gregory D., Swager, Timothy M.   +3 more
core   +1 more source

Switching or blinking? – The switching behaviour of single photochromic triads

EPJ Web of Conferences, 2018
Photochromic molecules can be interconverted between two bistable conformations by light [1–3]. Irie and coworkers described a strategy to achieve superior fluorescence characteristics and outstanding switching characteristics of a photochromic unit by ...
Maier Johannes, Pärs Martti, Weller Tina, Thelakkat Mukundan, Köhler Jürgen   +4 more
doaj   +1 more source

Understanding and optimising the packing density of perylene bisimide layers on CVD-grown graphene

, 2015
The non-covalent functionalisation of graphene is an attractive strategy to alter the surface chemistry of graphene without damaging its superior electrical and mechanical properties.
Backes, Claudia, Berner, Nina C., Cafolla, Attilio A., Duesberg, Georg S., Dümbgen, Kim C., Hirsch, Andreas, Kaminska, Izabela, Mackowski, Sebastian, Winters, Sinéad, Yim, Chanyoung   +9 more
core   +1 more source

Size-dependent exciton dynamics in one-dimensional perylene bisimide aggregates

New Journal of Physics, 2012
The size-dependent exciton dynamics of one-dimensional aggregates of substituted perylene bisimides are studied by ultrafast transient absorption spectroscopy and kinetic Monte-Carlo simulations as a function of the excitation density and the temperature
Steffen Wolter, Janis Aizezers, Franziska Fennel, Marcus Seidel, Frank Würthner, Oliver Kühn, Stefan Lochbrunner   +6 more
doaj   +1 more source

Kinetically controlled coassembly of multichromophoric peptide hydrogelators and the impacts on energy transport [PDF]

, 2017
We report a peptide-based multichromophoric hydrogelator system, wherein π-electron units with different inherent spectral energies are spatially controlled within peptidic 1-D nanostructures to create localized energy gradients in aqueous environments ...
Adams, Dave J, Ardoña, Herdeline Ann M, Citossi, Francesca, Draper, Emily R, Serpell, Louise C, Tovar, John D, Wallace, Matthew   +6 more
core   +2 more sources

Photocatalytic nucleophilic addition of alcohols to styrenes in Markovnikov and anti-Markovnikov orientation

Beilstein Journal of Organic Chemistry, 2015
The nucleophilic addition of methanol and other alcohols to 1,1-diphenylethylene (1) and styrene (6) into the Markovnikov- and anti-Markovnikov-type products was selectively achieved with 1-(N,N-dimethylamino)pyrene (Py) and 1,7-dicyanoperylene-3,4:9,10 ...
Martin Weiser, Sergej Hermann, Alexander Penner, Hans-Achim Wagenknecht   +3 more
doaj   +1 more source