The invention discloses a method for synthesizing exchange zinc blende CDs nano cube using cation, the sulfur powder and oil amine in an Erlenmeyer flask of ultrasonic dispersion, then lead chloride and amine in the oil three flasks, then the solution was injected into the three conical bottle mouth flask, colloidal solution formed black lead sulfide. The colloid solution after cooling, centrifugal separation and solvent product, the product was washed with ethanol and centrifugation, vacuum drying, obtained PBS nanocubes; then PBS nano cube in eighteen by ultrasonic dispersion, the formation of black liquid; adding cadmium acetate, oleic acid and oleyl amine dissolved in three flasks, by argon gas, the magnetic stirring under heating, then the black liquid is injected into the gradually warming, after cooling to room temperature, separation of product and solution, obtained zinc blende nano cadmium sulfide Rice cube. The invention can keep the appearance of the cube, and expose the high-energy (100) crystal surface at the same time, so as to realize controllable synthesis with high repeatability.
【技术实现步骤摘要】
利用阳离子交换合成闪锌矿型硫化镉纳米立方体的方法
本专利技术是关于半导体催化剂的,特别涉及一种利用阳离子交换合成小尺寸闪锌矿型硫化镉纳米立方体的方法。
技术介绍
在半导体催化剂中,硫化镉(CdS)材料因其对可见光波段有较好的吸收并且导带位置也适用于光解水制氢及薄膜太阳能电池等领域,所以受到了广泛的关注,参见WuK,ChenZ,LvH,etal.HoleRemovalRateLimitsPhotodrivenH2GenerationEfficiencyinCdS-PtandCdSe/CdS-PtSemiconductorNanorod–MetalTipHeterostructures[J].JournaloftheAmericanChemicalSociety,2014,136(21):7708-7716。常见的硫化镉材料的形貌有水热合成的准球状纳米颗粒,纳米棒,海胆状,多足状等。参见YuJ,YuY,PengZ,etal.Morphology-dependentphotocatalyticH2-productionactivityofCdS[J].AppliedCa ...
【技术保护点】
一种利用阳离子交换合成闪锌矿型硫化镉纳米立方体的方法,具有如下步骤:(1)在室温下,将硫粉和油胺以9:1的质量比置于锥形瓶中超声分散,直至形成均匀的硫粉的油胺溶液;(2)将氯化铅和油胺以140:3的质量比置于三口烧瓶中,其中硫粉与氯化铅的质量比约1:10,在磁力搅拌下加热到220℃,保温15分钟;再将步骤(1)配制的硫粉的油胺溶液注入到该三口烧瓶中,保温1h,最后形成黑色硫化铅的胶体溶液;(3)将步骤(2)的胶体溶液冷却后,将三口烧瓶中的液体在大于10000rpm的转速下离心15min,分离产物与溶剂;所得产物用乙醇清洗并离心,然后将其在60℃下真空干燥6h,得到硫化铅纳米 ...
【技术特征摘要】
1.一种利用阳离子交换合成闪锌矿型硫化镉纳米立方体的方法,具有如下步骤:(1)在室温下,将硫粉和油胺以9:1的质量比置于锥形瓶中超声分散,直至形成均匀的硫粉的油胺溶液;(2)将氯化铅和油胺以140:3的质量比置于三口烧瓶中,其中硫粉与氯化铅的质量比约1:10,在磁力搅拌下加热到220℃,保温15分钟;再将步骤(1)配制的硫粉的油胺溶液注入到该三口烧瓶中,保温1h,最后形成黑色硫化铅的胶体溶液;(3)将步骤(2)的胶体溶液冷却后,将三口烧瓶中的液体在大于10000rpm的转速下离心15min,分离产物与溶剂;所得产物用乙醇清洗并离心,然后将其在60℃下真空干燥6h,得到硫化铅纳米立方体。(4)...
【专利技术属性】
技术研发人员:杜希文,张阳洋,韩丽丽,
申请(专利权)人:天津大学,
类型:发明
国别省市:天津,12
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