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    • 21. 发明公开
    • DISUBSTITUTED DIARYLOXYBENZOHETERODIAZOLE COMPOUNDS
    • EP3374357A1
    • 2018-09-19
    • EP16816743.5
    • 2016-11-11
    • ENI S.p.A.
    • SCHIMPERNA, GiulianaPROTO, Antonio Alfonso
    • C07D417/14C09K11/06H01L31/055
    • C07D417/14C09K11/06C09K2211/1007C09K2211/1051C09K2211/1092H01L31/055Y02E10/52
    • Disubstituted diaryloxybenzoheterodiazole compound having general formula (I) or (II) wherein - Z represents a sulfur atom, an oxygen atom, a selenium atom; or an NR6 group wherein R6 is selected from linear or branched C1-C20, preferably C1-C8, alkyl groups, or from optionally substituted aryl groups; - R1, R2 and R3, identical 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, alkoxy groups, optionally substituted phenoxy groups, or a cyano group; or R1, R2, may optionally be bound together to form, together with the carbon atoms to which they are bound, a saturated, unsaturated or aromatic, cyclic or polycyclic system containing from 3 to 14 carbon atoms, preferably from 4 to 6 carbon atoms, optionally containing one or more heteroatoms such as, for example, oxygen, sulfur, nitrogen, silicon, phosphorus, selenium; - or R2 and R3, may optionally be bound together so as to form, together with the carbon atoms to which they are bound, a saturated, unsaturated or aromatic, cyclic or polycyclic system containing from 3 to 14 carbon atoms, preferably from 4 to 6 carbon atoms, optionally containing one or more heteroatoms such as, for example, oxygen, sulfur, nitrogen, silicon, phosphorus, selenium; - R4, identical or different, represent a hydrogen atom; or are selected from linear or branched, preferably linear, C1-C20, preferably C1-C8, alkyl groups; - R5, identical or different, are selected from linear or branched C1-C20, preferably C1-C8, alkyl groups, optionally containing heteroatoms, optionally substituted cycloalkyl groups; - n and m, identical or different, are 0 or 1, provided that at least one of n and m is 1. Said diaryloxybenzoheterodiazole compound having general formula (I), as such or after (co)polymerization, and said disubstituted diaryloxybenzoheterodiazole compound having general formula (II) as such, may be advantageously used as spectrum converters in luminescent solar concentrators (LSCs), which are in turn able to improve the performance of photovoltaic devices (or solar devices) selected, for example, from photovoltaic cells (or solar cells), photovoltaic modules (or solar modules), on both rigid and flexible supports.