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    • 1. 发明授权
    • Nano structured UV absorbers
    • 纳米结构紫外线吸收剂
    • US09150701B2
    • 2015-10-06
    • US12747194
    • 2008-12-12
    • Mara DestroSamanta CimitanCesare LorenzettiDario Lazzari
    • Mara DestroSamanta CimitanCesare LorenzettiDario Lazzari
    • C08K3/22C08K5/3492C08K5/00C08K5/17B82Y30/00C08K5/34C08L21/00
    • C08K3/22B82Y30/00C08K5/34C08K2201/011C08L21/00
    • The present invention relates to an UV absorbing polymer composition comprising effective amounts of (a1) a nanoparticulate oxide selected from oxides of the groups 4 and 12 of the periodic table, wherein the oxide is doped with In, Ga and/or Al, and (b1) a UV stabilizing/absorbing substance comprising a sterically hindered amine and/or a polymeric hydroxyphenyltriazine; or (a2) a nanoparticulate oxide selected from oxides of the groups 4 and 12, and (b2) a UV light stabilizing substance comprising a N-oxygen-substituted sterically hindered amine. Furthermore, the present invention relates to a polymer comprising said composition and the use of said composition as a UV absorber in polymers, particularly in agricultural films or packaging films. Finally, the present invention relates to a process for producing doped nanoparticulate metal oxides.
    • 本发明涉及一种UV吸收聚合物组合物,其包含有效量的(a1)选自元素周期表第4和12族的氧化物的纳米颗粒氧化物,其中该氧化物掺杂有In,Ga和/或Al,和( b1)包含空间位阻胺和/或聚合羟基苯基三嗪的UV稳定/吸收物质; 或(a2)选自组4和12的氧化物的纳米颗粒氧化物,和(b2)包含N-氧取代的空间位阻胺的UV光稳定物质。 此外,本发明涉及包含所述组合物的聚合物和所述组合物作为聚合物中的UV吸收剂的用途,特别是在农业膜或包装膜中。 最后,本发明涉及一种制备掺杂的纳米颗粒金属氧化物的方法。
    • 2. 发明申请
    • NANO STRUCTURED UV ABSORBERS
    • 纳米结构紫外线吸收剂
    • US20110015297A1
    • 2011-01-20
    • US12747194
    • 2008-12-12
    • Mara DestroSamanta CimitanCesare LorenzettiDario Lazzari
    • Mara DestroSamanta CimitanCesare LorenzettiDario Lazzari
    • C08K5/3492C08K5/17F21V9/06
    • C08K3/22B82Y30/00C08K5/34C08K2201/011C08L21/00
    • The present invention relates to an UV absorbing polymer composition comprising effective amounts of (a1) a nanoparticulate oxide selected from oxides of the groups 4 and 12 of the periodic table, wherein the oxide is doped with In, Ga and/or Al, and (b1) a UV stabilizing/absorbing substance comprising a sterically hindered amine and/or a polymeric hydroxyphenyl-triazine; or (a2) a nanoparticulate oxide selected from oxides of the groups 4 and 12, and (b2) a UV light stabilizing substance comprising a N-oxygen-substituted sterically hindered amine. Furthermore, the present invention relates to a polymer comprising said composition and the use of said composition as a UV absorber in polymers, particularly in agricultural films or packaging films. Finally, the present invention relates to a process for producing doped nanoparticulate metal oxides.
    • 本发明涉及一种UV吸收聚合物组合物,其包含有效量的(a1)选自元素周期表第4和12族的氧化物的纳米颗粒氧化物,其中该氧化物掺杂有In,Ga和/或Al,和( b1)包含空间位阻胺和/或聚合羟基苯基 - 三嗪的UV稳定/吸收物质; 或(a2)选自组4和12的氧化物的纳米颗粒氧化物,和(b2)包含N-氧取代的空间位阻胺的UV光稳定物质。 此外,本发明涉及包含所述组合物的聚合物和所述组合物作为聚合物中的UV吸收剂的用途,特别是在农业膜或包装膜中。 最后,本发明涉及一种制备掺杂的纳米颗粒金属氧化物的方法。
    • 7. 发明申请
    • Photovoltaic Cell
    • 光伏电池
    • US20100000598A1
    • 2010-01-07
    • US12226181
    • 2007-04-10
    • Cesare LorenzettiMarcello Vitale
    • Cesare LorenzettiMarcello Vitale
    • H01L31/0352H01L31/18
    • H01L31/035209B82Y20/00H01L31/03529H01L31/18Y02E10/50Y10S977/773Y10S977/954
    • A photovoltaic cell of high efficiency may be obtained using metallic nanoparticles or nanostructures as the main light absorbing element in the photosensitive layer of the cell, which absorb the light through a surface plasmon or polaron mechanism. The cell comprises at least one photosensitive layer containing nanoparticles or nanostructures each between a n-doped and a p-doped charge transport layer, characterized in that • the nanoparticles or nanostructures are the main light absorbing element in the photosensitive layer, • the nanoparticles or nanostructures have metallic conductivity and absorb near infrared, visible and/or ultraviolet light through a surface plasmon or polaron mechanism, and • the nanoparticles or nanostructures have at least one of their dimensions of size between 0.1 and 500 nm. By exploiting the combination of electronic and size parameters, intense optical absorption at any wavelength within the solar spectrum (about 2500 and 300 nm) can be obtained and the whole range of the solar spectrum may be used.
    • 可以使用金属纳米颗粒或纳米结构作为细胞感光层中的主要光吸收元件,通过表面等离子体激元或极化子机制吸收光而获得高效率的光伏电池。 该电池包含至少一个包含纳米颗粒或纳米结构的感光层,每个光敏层各自在n掺杂和p掺杂的电荷传输层之间,其特征在于。 纳米颗粒或纳米结构是感光层中的主要光吸收元件。 纳米颗粒或纳米结构具有金属导电性并通过表面等离子体激元或极化子机制吸收近红外,可见光和/或紫外光。 纳米颗粒或纳米结构具有尺寸在0.1和500nm之间的尺寸中的至少一个。 通过利用电子和尺寸参数的组合,可以获得在太阳光谱(约2500和300nm)内的任何波长处的强光吸收,并且可以使用太阳光谱的整个范围。