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吾爱吃饺子

新虫 (初入文坛)

[求助] 有人做过油溶性SnS量子点吗?为什么我做出来后加极性溶剂没有沉淀析出

合成过程是这样的,取4mmol SnCl2 ,6mol油酸,10ml液体石蜡加入100ml两颈烧瓶中,抽真空除去水和氧后通氩气保护,60℃磁力搅拌1h,然后升温至100℃,100摄氏度下搅拌约20min后快速注入含4mmol的三正辛基膦溶液,反应2min后烧瓶放入冰水浴中冷却,反应溶液呈黄色透明溶液,紫外灯照射(354nm)蓝色荧光。
向反应烧瓶中加入10ml三氯甲烷,然后分别加甲醇、丙酮、乙醇、异丙醇均无沉淀析出大神们,快来帮忙啊!
我是参照Biacchi A J, Vaughn D D, Schaak R E. Synthesis and Crystallographic Analysis of Shape-Controlled SnS Nanocrystal Photocatalysts: Evidence for a Pseudotetragonal Structural Modification[J]. Journal of the American Chemical Society, 2013, 135(31): 11634-11644.上面的方法做的
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吾爱吃饺子

新虫 (初入文坛)

de Kergommeaux A, Faure-Vincent J, Pron A, et al. Surface Oxidation of Tin Chalcogenide Nanocrystals Revealed by 119Sn–Mössbauer Spectroscopy[J]. Journal of the American Chemical Society, 2012, 134(28): 11659-11666.
不好意思,上面的参考文献写错了
2楼2014-02-18 21:39:59
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吾爱吃饺子

新虫 (初入文坛)

引用回帖:
2楼: Originally posted by 吾爱吃饺子 at 2014-02-18 21:39:59
de Kergommeaux A, Faure-Vincent J, Pron A, et al. Surface Oxidation of Tin Chalcogenide Nanocrystals Revealed by 119Sn–Mössbauer Spectroscopy. Journal of the American Chemical Society, 2012, 13 ...

是这篇
3楼2014-02-18 21:40:08
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