نتایج جستجو برای: π conjugated molecules
تعداد نتایج: 248732 فیلتر نتایج به سال:
We describe the synthesis, characterization, and fabrication of bioelectronic materials derived from small oligopeptides containing π-conjugated subunits directly embedded into peptide backbones. The rapid incorporation of π-conjugated subunits directly into peptide backbones was accomplished through an on-resin dimerization procedure recently explored in our research. We investigated these pep...
Small π-conjugated molecules can be designed and synthesized to undergo controlled self-assembly forming low-dimensional architectures, with programmed order at the supramolecular level. Such order is of paramount importance because it defines the property of the obtained material. Here, we have focused our attention to four pyromellitic diimide derivatives exposing different types of side chai...
Denisova, A. 2017. Hyperconjugation in Group 14 Organic Compounds. Design and Property Investigations. Digital Comprehensive Summaries of Uppsala Dissertations from the Faculty of Science and Technology 1613. 61 pp. Uppsala: Acta Universitatis Upsaliensis. ISBN 978-91-513-0190-7. Nowadays π-conjugated molecules are widely used as materials for devices in organic and molecular electronics. This ...
A simple method for tuning the performance characteristics of fluorescent ratiometric sensors based on surface-immobilized monolayers of π-conjugated molecules enabled gradual adjustment of the sensitivity and the analyte detection range of the sensor. This approach has been applied to fine-tune the sensing performance of a prototype ratiometric chemosensor for fluoride ions.
Pyrrole-based π-conjugated anion-responsive molecules provided various planar anionic structures by complexation with halide anions, resulting in the formation of solid-state assemblies with planar counter cations and exhibiting various modes of charge-by-charge assembly depending on the substituents of the anion receptors.
Reported is characterization of the self-assembly of π-conjugated oligomers, molecules studied recently in photovoltaic devices, using variable temperature diffusion ordered spectroscopy (VT-DOSY). Iterative fitting of diffusion coefficient versus temperature data to a modified Stokes-Einstein equation, molecular modelling, and comparison to non-assembling model compounds, has allowed estimatio...
Solar cells based on p-conjugated donor-acceptor (D-A) organic molecular systems are a promising alternative to conventional electrical energy generation. D-A systems, which have triphenylamine (TPA) moiety linked with benzothiadiazole (BTD) moiety, open the potential development of new small molecule donors for bulk heterojunction (BHJ) solar cells. Here, series donor-acceptor-π-acceptor (D-A-...
Chemical-vapor-deposited large-area graphene is employed as the coating of transparent substrates for the growth of the prototypical organic n-type semiconductor perfluoropentacene (PFP). The graphene coating is found to cause face-on growth of PFP in a yet unknown substrate-mediated polymorph, which is solved by combining grazing-incidence X-ray diffraction with theoretical structure modeling....
A graphene/nitrogen-enriched sandwiched composite (HAT-CN/Gr) as readily obtained from in-situ combination of HAT-CN and GO through sonication thermal reduction. The resultant HAT-CN/Gr cathode exhibits excellent lithium storage performance.
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