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    • 55. 发明授权
    • Opto-electronic devices containing sulfonated copolymers
    • 含有磺化共聚物的光电器件
    • US07740942B2
    • 2010-06-22
    • US11610076
    • 2006-12-13
    • Qing YeJie LiuJoyce Hung
    • Qing YeJie LiuJoyce Hung
    • B29C39/00
    • H01L51/0035C08F226/02H01L51/0043H01L51/5088Y10S428/917Y10T428/24Y10T428/31533Y10T428/31721
    • The invention provides an opto-electronic device comprising at least one sulfonated aromatic condensation copolymer or at least one phosphonated aromatic condensation copolymer. The at least one sulfonated aromatic condensation copolymer is selected from sulfonated polyarylethers, sulfonated polyimides, sulfonated polyphenylene oxides, sulfonated polyarylenes, sulfonated polyphosphazenes, and the at least one phosphonated aromatic condensation copolymer is selected from phosphonated polyarylethers, phosphonated polyimides, phosphonated polyphenylene oxides, phosphonated polyarylenes, phosphonated polyphosphazenes and combinations thereof. The sulfonated polyarylether is a sulfonated polyarylether block copolymer having sulfonated polyaryletherketone blocks, sulfonated polyethersulfone blocks, or combinations thereof.
    • 本发明提供了包含至少一种磺化芳族缩合共聚物或至少一种膦酸化芳族缩合共聚物的光电装置。 所述至少一种磺化芳族缩合共聚物选自磺化聚芳基醚,磺化聚酰亚胺,磺化聚苯醚,磺化聚亚芳基,磺化聚磷腈,并且所述至少一种膦酸化芳族缩合共聚物选自膦酸化的聚芳基醚,膦酸化的聚酰亚胺,膦酸化的聚苯醚,磷酸化的 聚亚芳基,膦酸化聚磷腈及其组合。 磺化聚芳基醚是具有磺化聚芳醚酮嵌段,磺化聚醚砜嵌段或其组合的磺化聚芳醚嵌段共聚物。
    • 58. 发明授权
    • Method of synthesizing small-diameter carbon nanotubes with electron field emission properties
    • 合成具有电子场发射特性的小直径碳纳米管的方法
    • US07618300B2
    • 2009-11-17
    • US11012341
    • 2004-12-16
    • Jie LiuChunsheng DuCheng QianBo GaoQi QiuOtto Z. Zhou
    • Jie LiuChunsheng DuCheng QianBo GaoQi QiuOtto Z. Zhou
    • H01J1/304
    • H01J9/025B82Y10/00B82Y30/00B82Y40/00C01B32/162C01B2202/04C01B2202/36H01J1/304H01J2201/30469
    • Carbon nanotube material having an outer diameter less than 10 nm and a number of walls less than ten are disclosed. Also disclosed are an electron field emission device including a substrate, an optionally layer of adhesion-promoting layer, and a layer of electron field emission material. The electron field emission material includes a carbon nanotube having a number of concentric graphene shells per tube of from two to ten, an outer diameter from 2 to 8 nm, and a nanotube length greater than 0.1 microns. One method to fabricate carbon nanotubes includes the steps of (a) producing a catalyst containing Fe and Mo supported on MgO powder, (b) using a mixture of hydrogen and carbon containing gas as precursors, and (c) heating the catalyst to a temperature above 950° C. to produce a carbon nanotube. Another method of fabricating an electron field emission cathode includes the steps of (a) synthesizing electron field emission materials containing carbon nanotubes with a number of concentric graphene shells per tube from two to ten, an outer diameter of from 2 to 8 nm, and a length greater than 0.1 microns, (b) dispersing the electron field emission material in a suitable solvent, (c) depositing the electron field emission materials onto a substrate, and (d) annealing the substrate.
    • 公开了外径小于10nm,壁数小于10的碳纳米管材料。 还公开了一种电子场发射器件,其包括衬底,任选层的粘附促进层和电子场发射材料层。 电子场发射材料包括碳纳米管,每个管具有多至2个至10个,外径为2至8nm的多个同心石墨烯壳,纳米管长度大于0.1微米。 一种制造碳纳米管的方法包括以下步骤:(a)制备负载在MgO粉末上的含有Fe和Mo的催化剂,(b)使用氢气和含碳气体的混合物作为前体,和(c)将催化剂加热至 高于950℃以产生碳纳米管。 制造电子场发射阴极的另一种方法包括以下步骤:(a)合成含有碳纳米管的电子场发射材料,每个管具有多个同心石墨烯,每个管数为2至10个,外径为2至8nm, 长度大于0.1微米,(b)将电子场发射材料分散在合适的溶剂中,(c)将电子场发射材料沉积到衬底上,和(d)使衬底退火。