Arkema France

Enichem S.p.a

Versalis S.p.a.

Polimeri Europa S.p.a.

Trinseo Europe Gmbh

Roberto Fusco

Antonio Alfonso Proto

Giuliana Schimperna

Liliana Gila

Samuele Santarelli

Francesco Masi

Anna Sommazzi

Paolo Biagini

Stefano Maiorana

Gabriele Bianchi

Marco Ricci

Sylvain Bourrigaud

Mario Polesello

Francesco Menconi

Giuseppe Conti

Andrea Alessi

Gianfranco Guglielmetti

Laura Meda

Diego Vigliarolo

Giacomo Ottimofiore

Mario Salvalaggio

Lilliana Gila

Emilio Lucchelli

Tiziano Pennati

Emanuela Licandro

Petra Scudo

Jean Marc Boutillier

Sylvain Tombolato

Véronique Carrere

Luca Longo

Luciano Caccianotti

Luminescent solar concentrator (L8C) of neutral coloration comprising: &#x2014;at least one first sheet comprising a matrix of a transparent material and at least one first photoluminescent organic compound having an absorption interval within the range 400 nm to 550 nm, preferably within the range 420 nm to 500 mrs, and an emission interval within the range 500 nm to 650 nm, preferably within the range 520 mn to 620 nm; &#x2014;at least one second sheet comprising a matrix of a transparent material and at least one second photoluminescent organic compound having an absorption interval within the range 420 nm to 650 nm, preferably within the range 480 nm to 600 nm, and an emission interval within the range 580 mn and 750 nm, preferably within the range 600 nm and 700 nm; &#x2014;at least one third sheet comprising a matrix of a transparent material and at least one third, optionally photoluminescent, organic compound having an absorption interval within the range 550 nm to 750 nm, preferably within the range 570 nrn to 700 nm, and an emission interval within the range 700 nrn to 900 nm, preferably within the range 740 nm to 850 nm. Said luminescent solar concentrator of neutral coloration may be used advantageously in various applications requiring the production of electrical energy by exploiting light energy, in particular solar radiation energy such as, for example: building/integrated photovoltaic (BiPV) systems, photovoltaic windows, greenhouses, photo bioreactors, noise barriers, lighting engineering, design, advertising, automotive industry.

Luminescent solar concentrators of neutral coloration

The present invention relates to a polymeric composition comprising a polymeric elastomeric phase and a fluorescent dye. In particular the present invention relates to a polymeric composition comprising a polymeric elastomeric phase and a fluorescent dye, its process of preparation and use. The present invention concerns also objects or articles comprising a polymeric composition comprising a polymeric elastomeric phase and a fluorescent dye. The present invention concerns as well a photovoltaic module comprising a polymeric composition comprising a polymeric elastomeric phase and a fluorescent dye.

Polymeric composition comprising a fluorescent dye, its process of preparation, use and object comprising it

Luminescent solar concentrator (LSC) comprising an aqueous microemulsion including at least one photoluminescent compound. Said luminescent solar concentrator (LSC) can be advantageously used in solar devices (i.e. devices for exploiting solar energy) such as, for example, photovoltaic cells (or solar cells), photoelectrolytic cells. Said luminescent solar concentrator (LSC) can also be advantageously used in photovoltaic windows.

Luminescent solar concentrator

The invention relates to a significantly improved process for the preparation of benzothiadxazole compounds which can be used in the production of Luminescent Solar Concentrators, (LSC). In particular, the synthesis process of the present invention is oriented towards the preparation of 4,-di-2-thienyl-2,1,3-benzo-thiadiazole.

Process for the synthesis of benzothiadiazole compounds

Solid catalyst with a high thermal stability for the (co)polymerization of &#x3b1;-olefins, comprising titanium, magnesium, at least one metal selected from hafnium and zirconium, aluminum and chlorine, wherein at least 60% of the titanium is in oxidation state +3, and, when examined by means of XPS spectroscopy, has an absorption band characteristic of a binding energy ranging from 455 to 458 eV. Said catalyst, used in combination with a suitable co-catalyst in (co)polymerization processes of &#x3b1;-olefins at a high temperature, shows an improved productivity, a high incorporation of co-monomers in the copolymerization of ethylene and an increased thermal stability with respect to the systems so far in use.

Catalysts of the ziegler-natta type for the (co)polymerization of olefins with a high productivity

Compound comprising a benzoetherodiazole group of formula (I) and at least one benzodithiophene group or a mixture of compounds comprising a benzoetherodiazole group and at least one benzodithiophene group of formulae (II) and (III). Both said compound and said mixture of compounds can be advantageously used as spectrum converters in luminescent solar concentrators (LSCs), capable, in their turn, of enhancing the performances of solar devices (i.e. devices for exploiting solar energy) such as, for example, photovoltaic cells, photoelectrolytic cells.

Benzodithiophene derivatives and their use as photoluminescent compounds

The present invention relates to photoactive polymers and copolymers of acrylic monomers comprising cycloimide units functionalized with at least one luminescent chromophore group, preferably photoluminescent. The present invention also relates to spectrum converters comprising the above photoactive polymers and copolymers and solar devices comprising said converters.

Imidized polymers containing luminescent groups and method for obtaining them

The present invention relates to a photoluminescent composition comprising an acene compound having general formula (I) or (Ia) and a benzothiadiazole compound having general formula (II), and the relative use as photoluminescent composition in a spectrum converter. A spectrum converter comprising the photoluminescent composition defined above, comprising the above compounds having general formula (I) or (Ia) and (II) and a solar device comprising said spectrum converter, are also described.

Photoluminescent compositions for spectrum converters with enhanced efficiency

Luminescent solar concentrator (LSC) includes at least one disubstituted benzothiadiazole compound having general formula (I): 

Luminescent solar concentrator comprising disubstituted benzothiadiazole compounds

A catalytic system with an increased activity for the (co)polymerization of alpha-olefins comprises a catalyst of the metallocene type, which is capable of polymerizing olefins without aluminoxane, and a weak coordinating compound, which, when used in a polymerization process, enables a higher productivity than an analogous process carried out with the metallocene type catalyst per se.

Catalytic system for the (co)polymerization of alpha-olefins

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Novara, Italy

Roberto Fusco