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    • 6. 发明公开
    • PROCESS FOR MANUFACTURING COLLOIDAL MATERIALS, COLLOIDAL MATERIALS AND THEIR USES
    • 生产胶体材料,胶体材料及其用途的方法
    • EP3305399A1
    • 2018-04-11
    • EP17199339.7
    • 2009-09-10
    • Nexdot
    • DUBERTRET, BenoîtITHURRIA, Sandrine
    • B01J13/00
    • B01J13/0026B01J13/00
    • The present invention relates to a process for manufacturing a colloidal material, to colloidal materials obtainable by this process and to uses of said colloidal material for the manufacture of optic devices. The colloidal material obtainable by the process of the present invention is of formula A n X m , wherein A is an element selected from groups II, III or IV of the periodic table, wherein X is a metal selected from groups V or VI of the periodic table, and wherein, in the selection of the pair (A, X), the groups of the periodic table of A and X, respectively, are selected from the following combinations: (group II, group VI), (group III, group V) or (group IV, group VI); and wherein n and m are such that A n X m is a neutral compound. For example, the colloidal compound obtainable by the process of the present invention may be CdS, InP, or PbS. Other examples are provided below. The process of the present invention comprises a step of solution phase decomposition of a mixture of X and a carboxylate of formula A(R-COO) p in the presence of a non- or weakly-coordinating solvent, and a step of injecting an acetate salt or acetic acid in the mixture; wherein p in a integer between 1 and 2; R is a linear or branched C 1-30 alkyl group. The colloidal material of the present invention may be used for example for the manufacture of a laser or an optoelectronic device.
    • 本发明涉及一种制造胶体材料的方法,涉及通过该方法获得的胶体材料以及涉及该胶体材料用于制造光学器件的用途。 通过本发明方法获得的胶体材料具有式AnXm,其中A是选自周期表II,III或IV族的元素,其中X是选自周期表V或VI族的金属, 并且其中在选择对(A,X)时,A和X的周期表中的基团分别选自以下组合:(组II,组VI),(组III,组V) 或(第IV组,第VI组); 并且其中n和m使得AnXm是中性化合物。 例如,通过本发明的方法可获得的胶态化合物可以是CdS,InP或PbS。 其他例子在下面提供。 本发明的方法包括在非配位或弱配位溶剂存在下X和式A(R-COO)p羧酸酯的混合物进行溶液相分解的步骤,以及注射乙酸酯 盐或乙酸混合物; 其中p在1和2之间的整数; R是直链或支链C 1-30烷基。 本发明的胶体材料可用于例如制造激光器或光电子器件。