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Showing 1 to 12 of 111 entries
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Scale Invariant and Noise Robust Interest Points With Shearlets.

IEEE transactions on image processing : a publication of the IEEE Signal Processing Society

Duval-Poo MA, Noceti N, Odone F, De Vito E.
PMID: 28358686
IEEE Trans Image Process. 2017 Jun;26(6):2853-2867. doi: 10.1109/TIP.2017.2687122. Epub 2017 Mar 24.

Shearlets are a relatively new directional multi-scale framework for signal analysis, which have been shown effective to enhance signal discontinuities, such as edges and corners at multiple scales even in the presence of a large quantity of noise. In...

Literacy shapes thought: the case of event representation in different cultures.

Frontiers in psychology

Dobel C, Enriquez-Geppert S, Zwitserlood P, Bölte J.
PMID: 24795665
Front Psychol. 2014 Apr 16;5:290. doi: 10.3389/fpsyg.2014.00290. eCollection 2014.

There has been a lively debate whether conceptual representations of actions or scenes follow a left-to-right spatial transient when participants depict such events or scenes. It was even suggested that conceptualizing the agent on the left side represents a...

Size dependence of efficiency of PbS quantum dots in NiO-based dye sensitised solar cells and mechanistic charge transfer investigation.

Nanoscale

Raissi M, Sajjad MT, Pellegrin Y, Roland TJ, Jobic S, Boujtita M, Ruseckas A, Samuel IDW, Odobel F.
PMID: 28984887
Nanoscale. 2017 Oct 19;9(40):15566-15575. doi: 10.1039/c7nr03698a.

Quantum dots (QDs) are very attractive materials for solar cells due to their high absorption coefficients, size dependence and easy tunability of their optical and electronic properties due to quantum confinement. Particularly interesting are PbS QDs owing to their...

Synthesis of oligothiophene-bridged bisporphyrins and study of the linkage dependence of the electronic coupling.

Chemistry (Weinheim an der Bergstrasse, Germany)

Odobel F, Suresh S, Blart E, Nicolas Y, Quintard JP, Janvier P, Le Questel JY, Illien B, Rondeau D, Richomme P, Häupl T, Wallin S, Hammarström L.
PMID: 12489234
Chemistry. 2002 Jul 02;8(13):3027-46. doi: 10.1002/1521-3765(20020703)8:13<3027::AID-CHEM3027>3.0.CO;2-Z.

A set of twelve porphyrin dimers has been prepared to give information on how the type of connectivity between a porphyrin core and a bridge can influence the interporphyrin electronic interaction. The new porphyrin systems are substituted directly at...

Electrolytic electrospray ionization mass spectrometry of quaterthiophene-bridged bisporphyrins: beyond the identification tool.

Journal of mass spectrometry : JMS

Rondeau D, Rogalewicz F, Ohanessian G, Levillain E, Odobel F, Richomme P.
PMID: 15724271
J Mass Spectrom. 2005 May;40(5):628-35. doi: 10.1002/jms.833.

Several quaterthiophene-bridged bisporphyrins were analyzed by electrospray ionization mass spectrometry (ESI-MS). The active centers of these molecular assemblies are two porphyrins moieties complexed (Z) or not (H) with a metal ion, typically Zn(2+), and the spacer is a quaterthiophene....

Hole-transfer dyads and triads based on perylene monoimide, quaterthiophene, and extended tetrathiafulvalene.

Chemistry (Weinheim an der Bergstrasse, Germany)

Boixel J, Blart E, Pellegrin Y, Odobel F, Perin N, Chiorboli C, Fracasso S, Ravaglia M, Scandola F.
PMID: 20593446
Chemistry. 2010 Aug 09;16(30):9140-53. doi: 10.1002/chem.201000640.

Two families of dyad and triad systems based on perylene monoimide (PMI), quaterthiophene (QT), and 9,10-bis(1,3-dithiol-2-ylidene)-9,10-dihydroanthracene (extended tetrathiafulvalene, exTTF) molecular components have been designed and synthesized. The dyads (D1 and D2) are of the PMI-QT type and the triads...

Coupled sensitizer-catalyst dyads: electron-transfer reactions in a perylene-polyoxometalate conjugate.

Chemistry (Weinheim an der Bergstrasse, Germany)

Odobel F, Séverac M, Pellegrin Y, Blart E, Fosse C, Cannizzo C, Mayer CR, Elliott KJ, Harriman A.
PMID: 19197929
Chemistry. 2009;15(13):3130-8. doi: 10.1002/chem.200801880.

Ultrafast discharge of a single-electron capacitor: A variety of intramolecular electron-transfer reactions are apparent for polyoxometalates functionalized with covalently attached perylene monoimide chromophores, but these are restricted to single-electron events. (et=electron transfer, cr=charge recombination, csr=charge-shift reaction, PER=perylene, POM=polyoxometalate).A new...

Electronic interactions and energy transfer in oligothiophene-linked bis-porphyrins.

Photochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology

Wallin S, Hammarström L, Blart E, Odobel F.
PMID: 17047835
Photochem Photobiol Sci. 2006 Sep;5(9):828-34. doi: 10.1039/b601092j. Epub 2006 Jul 18.

The photophysical and spectroscopic properties of a series of bis-porphyrin compounds meso-meso-linked via oligothiophene bridges are reported. In particular the effects of the different bridges on the porphyrin properties as well as their ability to enhance energy transfer is...

New photovoltaic devices based on the sensitization of p-type semiconductors: challenges and opportunities.

Accounts of chemical research

Odobel F, Le Pleux L, Pellegrin Y, Blart E.
PMID: 20455541
Acc Chem Res. 2010 Aug 17;43(8):1063-71. doi: 10.1021/ar900275b.

Because solar energy is the most abundant renewable energy resource, the clear connection between human activity and global warming has strengthened the interest in photovoltaic science. Dye-sensitized solar cells (DSSCs) provide a promising low-cost technology for harnessing this energy...

A new crosslinkable system based on thermal Huisgen reaction to enhance the stability of electro-optic polymers.

Chemical communications (Cambridge, England)

Scarpaci A, Blart E, Montembault V, Fontaine L, Rodriguez V, Odobel F.
PMID: 19319414
Chem Commun (Camb). 2009 Apr 14;(14):1825-7. doi: 10.1039/b900669a. Epub 2009 Mar 06.

The thermal Huisgen cycloaddition reaction is a new and efficient process to crosslink electro-optic polymers, since it leads to an effective increase of the thermal alignment stability of the NLO chromophores.

First application of the HETPHEN concept to new heteroleptic bis(diimine) copper(I) complexes as sensitizers in dye sensitized solar cells.

Dalton transactions (Cambridge, England : 2003)

Sandroni M, Kayanuma M, Planchat A, Szuwarski N, Blart E, Pellegrin Y, Daniel C, Boujtita M, Odobel F.
PMID: 23783812
Dalton Trans. 2013 Aug 14;42(30):10818-27. doi: 10.1039/c3dt50852h. Epub 2013 Jun 20.

We report here the synthesis and full chemical and physical characterizations of the first stable heteroleptic copper(I)-bis(diimine) complexes designed for implementation in dye sensitized solar cells (DSC). Thanks to the HETPHEN concept, pure and stable heteroleptic copper(I) complexes were...

Electrochemical Generation and Spectroscopic Characterization of the Key Rhodium(III) Hydride Intermediates of Rhodium Poly(bipyridyl) H.

Inorganic chemistry

Castillo CE, Stoll T, Sandroni M, Gueret R, Fortage J, Kayanuma M, Daniel C, Odobel F, Deronzier A, Collomb MN.
PMID: 30129361
Inorg Chem. 2018 Sep 04;57(17):11225-11239. doi: 10.1021/acs.inorgchem.8b01811. Epub 2018 Aug 21.

We previously reported that the [Rh

Showing 1 to 12 of 111 entries