A5102886222- Conducting polymers and applications
- Organic Electronics and Photovoltaics
- Molecular Junctions and Nanostructures
- Analytical Chemistry and Sensors
- Photochromic and Fluorescence Chemistry
- Porphyrin and Phthalocyanine Chemistry
- Synthesis and Properties of Aromatic Compounds
- Perovskite Materials and Applications
- Organic Light-Emitting Diodes Research
- Advanced Sensor and Energy Harvesting Materials
- Synthesis and properties of polymers
- Crystallization and Solubility Studies
- X-ray Diffraction in Crystallography
- Luminescence and Fluorescent Materials
- Electrochemical sensors and biosensors
- Force Microscopy Techniques and Applications
- Molecular spectroscopy and chirality
- Photochemistry and Electron Transfer Studies
- Organic Chemistry Cycloaddition Reactions
- Semiconductor materials and interfaces
- Inorganic and Organometallic Chemistry
- Fullerene Chemistry and Applications
- Catalytic Cross-Coupling Reactions
- Polydiacetylene-based materials and applications
- Organic and Molecular Conductors Research
Institute for Macromolecular Studies
2010-2019
Mylan (South Africa)
2016-2018
Consorzio Roma Ricerche
2017-2018
National Research Council
2004-2018
Polo d’Innovazione di Genomica
2006-2009
Politecnico di Milano
2000-2008
Johannes Kepler University of Linz
2000-2006
Istituto di Chimica Biomolecolare
1992-2002
Istituto Nazionale per la Fisica della Materia
2002
University of Rochester
2000
High molecular mass and high regioregularity favor the more common polymorph (form I) of poly(3-alkylthiophenes) substantially extend toward temperatures existence domain 2D mesomorphic phase, which these systems access above 70−80 °C. Morphological observations indicate that in thin films form I planar polythiophene main chains lie roughly edge-on parallel to film surface, while side are approximately orthogonal substrate. Evidence relative second II), easily obtained with...
We report on the photophysical characterization of two solution-processable red-emissive perylene diimide molecules and their use in fully solution assembled OLEDs.
Two new organic sensitizers for dye solar cells containing a sterically hindered moiety have been synthesized. The introduction of 3,4-dibutyl-thiophene ring into D–π–A dyes reduces the sensitizer aggregation and allows preparation with PCE 7.17% 6.27% without use coadsorbant agents.
We report the synthesis, structural characterization, and features of crystallization behavior a highly regioregular head-to-tail poly(3-n-butylthiophene) (PBT) with average molecular weight Mw = 10.2 kDa. The thermal X-ray diffraction (XRD) patterns our native PBT samples allow crystal polymorph (form I′) to be identified, never previously discussed in literature but closely related more common disordered form I. structure I′ has been determined refined by Rietveld analysis XRD from...
Poly(3-n-butylthiophene) (P3BT) samples with different average molecular weights and head-to-tail regioregularity were crystallized in the form II crystal polymorph either from solution or by annealing CS2 vapors. With a combined approach, making also use of literature electron diffraction data, we show that is well described limit-ordered monoclinic model space group P21/c lattice parameters = 10.76(1) Å, b 7.77(1) Å (chain axis), c 9.44(1) β 64.66°, yielding calculated density 1.29 g/cm3...
Self-assembled nanostructures based on a luminescent polystyrene–perylene copolymer allow for the straightforward fabrication of stable white hybrid LEDs.
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTGrafting reactions onto poly(organophosphazenes). I. The case of poly[bis(4-isopropylphenoxy) phosphazene-g-polystyrene copolymersMario Gleria, Alberto Bolognesi, William Porzio, Marinella Catellani, Silvia Destri, and Guido AudisioCite this: Macromolecules 1987, 20, 3, 469–473Publication Date (Print):March 1, 1987Publication History Published online1 May 2002Published inissue 1 March...
Electroluminescent polymeric nanofibers embedding dye-loaded zeolite L crystals are prepared. By exciting the polymer nanofiber, energy is transferred to fluorescent dyes inside channels through a two-step Förster resonant transfer process. This study opens new perspectives in field of low-cost fabrication technology flexible nanoscale OLEDs.
The development of simple, low-cost and selective methods for quantitative detection mercury ions in aqueous media is still a challenge. Herein, we employ cysteine based perylene diimide (PDI-Cys) as sensing probe Hg2+ water. selectively detects the 100 % solution by fluorescence turn-on response. binding stoichiometry reveals 1:2 complexation PDI-Cys/Hg2+, which two are bound to one PDI-Cys molecule. limit low 20 ppb, close sensitivity requirement drinking water, indicating potentiality...
Helicenes are intrinsically chiral helical molecules structurally characterized by ortho-fusion of aromatic rings. A series racemic heterohelicenes composed thiophene and benzene rings alternated in the chain were prepared via photochemical irradiation. The availability large systems containing 9 11 condensed allows a better understanding both optical properties solid-state organization thiohelicene molecules. conformation crystal architecture thiohelicenes, up to show ring distortions...
Poly(dithienothiophene)s (PDTTs), low band-gap conjugated polymers with polythiophene-like chain where an aromatic thienothiophene moiety is fused to each thiophene ring, were studied using Raman spectroscopy, photoinduced infrared absorption, as well attenuated total reflection Fourier transform (ATR-FTIR) and electron spin resonance (ESR) spectroelectrochemistry. The spectroelectrochemical studies performed in situ during p- n-doping (electrochemical oxidation reduction, respectively)....
Electropolymerization of dithieno[3,4-b:3′,4′-d]thiophene leads to a new transparent conducting polymer with electrical conductivity 1.0 S cm–1, while the reduced species is highly opaque in visible spectral range owing strong π→π* electronic absorption at 590 nm.
A general photochemical synthesis of large thiohelicenes containing nine and eleven rings is discussed along with the organisation racemic in crystals: heterochiral assembling dominant except nine-ring system where interactions involving terminal ring S atoms favour segregation close-packed homochiral molecules planes.