Abstract: Non-aqueous redox flow battery (RFB) comprising:—a positive compartment in which a positive electrode is placed and in which a non-aqueous liquid positive electrolyte is made to flow;—a negative compartment in which a negative electrode is placed and in which a non-aqueous liquid negative electrolyte is made to flow;—an ion exchange membrane placed between the positive compartment and the negative compartment; wherein:—said non-aqueous liquid positive electrolyte comprises a solution of copper triflate or tetrafluoroborate complexes [Cu(I) or Cu(II)] in at least one organic solvent;—said non-aqueous liquid negative electrolyte comprises a solution of at least one benzothiadiazole having general formula (I): wherein:—R1 and R2, equal or different from each other, represent a hydrogen atom; or represent a C1-C20 alkyl group, preferably C1-C10, linear or branched, saturated or unsaturated; or represent a —O—R3 group wherein R3 is selected from C1-C20 alkyl groups, preferably C1-C10, linear or branched, saturated

Abstract: There is a diaryloxybenzoheterodiazole compound di-substituted with thienothiophenic groups having general formula (Ia): The diaryloxybenzoheterodiazole compound di-substituted with thienothiophenic groups having general formula (Ia) can be advantageously used as a spectrum converter in luminescent solar concentrators (LSCS) capable, in turn, of improving the performance of photovoltaic devices (or solar devices), selected for example, between photovoltaic cells (or solar cells), photovoltaic modules (or solar modules), either on a rigid support, or on a flexible support. More particularly, said photovoltaic devices (or solar devices) can be advantageously used in the construction of greenhouses.

Abstract: There is a disubstituted diaryloxybenzoheterodiazole compound having general formula (I): This disubstituted diaryloxybenzoheterodiazole compound having general formula (I) may advantageously be used as a spectrum converter in luminescent solar concentrators (“Luminescent Solar Concentrators”—LSCs) which, in turn, are capable of improving the performance of photovoltaic devices (or solar devices) selected, for example, from photovoltaic cells (or solar cells), photovoltaic modules (or solar modules), on either a rigid or flexible support.

Abstract: Disubstituted diaryloxybenzoheterodiazole compound of general formula (I): in which: Z represents a sulfur atom, an oxygen atom, a selenium atom; or an NR5 group in which R5 is selected from linear or branched C1-C20, or from optionally substituted aryl groups; R1, R2, R3 and R4 are as defined in the claims. The disubstituted diaryloxybenzoheterodiazole compound of general formula (I) can advantageously be used as a spectrum converter in luminescent solar concentrators (LSCs) which are in turn capable of improving the performance of photovoltaic devices (or solar devices) selected, for example, from photovoltaic cells (or solar cells), photovoltaic modules (or solar modules) on either a rigid substrate or a flexible substrate.

Abstract: There is a diaryloxybenzoheterodiazole compound di-substituted with thienothiophenic groups having general formula (Ia): The diaryloxybenzoheterodiazole compound di-substituted with thienothiophenic groups having general formula (Ia) can be advantageously used as a spectrum converter in luminescent solar concentrators (LSCS) capable, in turn, of improving the performance of photovoltaic devices (or solar devices), selected for example, between photovoltaic cells (or solar cells), photovoltaic modules (or solar modules), either on a rigid support, or on a flexible support. More particularly, said photovoltaic devices (or solar devices) can be advantageously used in the construction of greenhouses.

Abstract: Disubstituted fluoroaryloxybenzoheterodiazole compound having general formula (I): Said disubstituted fluoroaryloxybenzoheterodiazole compound having general formula (I) may be advantageously used as a spectrum converter in luminescent solar concentrators (LSCs) capable, in turn, of improving the performance of photovoltaic devices (or solar devices) selected, for example, from photovoltaic cells (or solar cells), photovoltaic modules (or solar modules), either on a rigid support, or on a flexible support.

Abstract: Disubstituted diaryloxybenzoheterodiazole compound of general formula (I): in which: Z represents a sulfur atom, an oxygen atom, a selenium atom; or an NR5 group in which R5 is selected from linear or branched C1-C20, or from optionally substituted aryl groups; R1, R2, R3 and R4 are as defined in the claims. The disubstituted diaryloxybenzoheterodiazole compound of general formula (I) can advantageously be used as a spectrum converter in luminescent solar concentrators (LSCs) which are in turn capable of improving the performance of photovoltaic devices (or solar devices) selected, for example, from photovoltaic cells (or solar cells), photovoltaic modules (or solar modules) on either a rigid substrate or a flexible substrate.

Abstract: A disubstituted diaryloxybenzoheterodiazole compound having general formula (I): wherein: R1, R2 and R3, which are the same as or different from each other, represent a hydrogen atom; or represent a halogen atom such as, for example, chlorine, bromine, fluorine, iodine, preferably fluorine; or are selected from optionally halogenated linear or branched C1-C12, preferably C1-C8, alkyl groups, optionally substituted phenoxy groups, provided that at least one of R1, R2 and R3 is an optionally substituted phenoxy group and, if R3 is an optionally substituted phenoxy group, at least one of R1, R2 is different from hydrogen; R4, which are the same as or different from each other, represent a hydrogen atom; or are selected from —COOR groups wherein R is selected from linear or branched C1-C8, preferably C1-C4, alkyl groups.

Abstract: Luminescent solar concentrator (LSC) having at least one dithienylpyridinethiadiazole compound having general formula (I) or (II): Said luminescent solar concentrator (LSC) can be advantageously used in the construction of photovoltaic devices (or solar devices) selected, for example, from photovoltaic cells (or solar cells), photovoltaic modules (or solar modules), both on rigid support, and on flexible support.

Abstract: Disubstituted diaryloxybenzoheterodiazole compound of general formula (1): in which:—Z represents a sulfur atom, an oxygen atom, a selenium atom; or an NR5 group in which R5 is selected from linear or branched C1-C20, preferably C1-C8, alkyl groups, or from optionally substituted aryl groups;—R1, R2 and R3 are as defined in the claims. The said disubstituted diaryloxybenzoheterodiazole compound of general formula (I) can advantageously be used as a spectrum converter in luminescent solar concentrators (LSCs) which are in turn capable of improving the performance of photovoltaic devices (or solar devices) selected, for example, from photovoltaic cells (or solar cells), photovoltaic modules (or solar modules) on either a rigid substrate or a flexible substrate.

Abstract: Luminescent solar concentrator (LSC) comprising at least one disubstituted benzoheterodiazole compound of general formula (I), in which: —Z represents a sulfur atom, an oxygen atom, a selenium atom; or an NR6 group in which R6 is selected from linear or branched C1-C20, preferably C1-C8, alkyl groups, or from optionally substituted aryl groups; —R1, R2 and R3, which are the same or different, represent a hydrogen atom; or are selected from linear or branched C1-C20, preferably C1-C8, alkyl groups, optionally containing heteroatoms, optionally substituted cycloalkyl groups, optionally substituted aryl groups, optionally substituted linear or branched C1-C20, preferably C1-C8, alkoxyl groups, optionally substituted phenoxyl groups, or —COOR7 groups or —OCOR7 groups in which R7 is selected from linear or branched C1-C20, preferably C1-C8, alkyl groups, or is a cyano group, provided that when the substituents R1 represents a hydrogen atom, at least one of the substituents R2 and R3 represents an optionally substi

Abstract: Disubstituted diaryloxybenzoheterodiazole compound of general formula (1): in which:—Z represents a sulfur atom, an oxygen atom, a selenium atom; or an NR5 group in which R5 is selected from linear or branched C1-C20, preferably C1-C8, alkyl groups, or from optionally substituted aryl groups;—R1, R2 and R3 are as defined in the claims. The said disubstituted diaryloxybenzoheterodiazole compound of general formula (I) can advantageously be used as a spectrum converter in luminescent solar concentrators (LSCs) which are in turn capable of improving the performance of photovoltaic devices (or solar devices) selected, for example, from photovoltaic cells (or solar cells), photovoltaic modules (or solar modules) on either a rigid substrate or a flexible substrate.

Abstract: Luminescent solar concentrator (LSC) comprising at least one disubstituted benzoheterodiazole compound of general formula (I), in which: Z represents a sulfur atom, an oxygen atom, a selenium atom; or an NR6 group in which R6 is selected from linear or branched C1-C20, preferably C1-C8, alkyl groups, or from optionally substituted aryl groups; R1, R2 and R3, which are the same or different, represent a hydrogen atom; or are selected from linear or branched C1-C20, preferably C1-C8, alkyl groups, optionally containing heteroatoms, optionally substituted cycloalkyl groups, optionally substituted aryl groups, optionally substituted linear or branched C1-C20, preferably C1-C8, alkoxyl groups, optionally substituted phenoxyl groups, or —COOR7 groups or —OCOR7 groups in which R7 is selected from linear or branched C1-C20, preferably C1-C8, alkyl groups, or is a cyano group, provided that when the substituents R1 represents a hydrogen atom, at least one of the substituents R2 and R3 represents an optionally substitu

Abstract: Process for the preparation of crystalline vinylaromatic polymers with a high degree of syndiotaxy which comprises polymerizing vinylaromatic monomers in the presence of a catalytic system essentially consisting of: a) a complex of titanium having the general formula: CpTiX1X2X3  (I) wherein Cp represents a cyclopentadienyl ligand whereas X1, X2, X3, the same or different, are selected from a halogen such as chlorine, or from alkyl groups, alkoxides, carboxylates, di(alkyl)amides; b) a polyalkylaluminoxane wherein the alkyl group contains from 1 to 8 carbon atoms; c) aluminum trifluoride.

Abstract: Process for the preparation of manufactured products based on vinylaromatic polymers with a predominantly syndiotactic structure which comprises:a) compressing the polymer in powder form in a mould at a pressure ranging from 0.1 to 500 MPa;b) sintering, under pressure, the compact powder at a temperature ranging from the glass transition temperature (Tg) of the polymer to the melting temperature (Tm);c) cooling the manufactured product to room temperature.