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zyxfdbs

木虫 (正式写手)

木虫

[求助] 空心氧化锌纳米球的合成

鄙人合成空心氧化锌纳米球将近半年有余。先是以碳球为模板,在煅烧模板时,球壳碎裂。后以聚苯乙烯为模板,仍无成果。

各位虫友,有没有好的建议或者合成方法?
谢谢!
智者利用今晚,愚者利用明天!
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huangzx1314

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zyxfdbs: 金币+5, 博学EPI+1 2012-07-15 12:14:22
为什么在煅烧时球壳会破裂呢?是不是球壳做的太薄了?有没有多包覆几层,把球壳做厚?

可以试试自组装的方法啊:
The self-assembly of ZnO hollow spherical structures was made by the coordination of CTAB, Zn(NO3)2·6H2O, and ethylenediamine. The initial oriented attachment of the nanorods to the central stems was followed by the formation of complex multi-pod units, and finally the construction of spheres from the multi-pod units. In other words, this hierarchical organization process started from the generation of ZnO nanorods, then the nanorods became aggregated into multipod units, and finally the multipod units aggregated into  the hollow microspheres

相关文献:Liu, B.; Zeng, H. C. Hollow ZnO microspheres with complex nanobuilding units. Chem. Mater. 2007, 19, 5824–5826.



[ Last edited by huangzx1314 on 2012-7-15 at 08:48 ]
3楼2012-07-15 08:47:11
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普通回帖
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2楼2012-07-13 21:21:46
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zyxfdbs

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引用回帖:
3楼: Originally posted by huangzx1314 at 2012-07-15 08:47:11
为什么在煅烧时球壳会破裂呢?是不是球壳做的太薄了?有没有多包覆几层,把球壳做厚?

可以试试自组装的方法啊:
The self-assembly of ZnO hollow spherical structures was made by the coordination of CTAB ...

要100nm左右的。。。。
智者利用今晚,愚者利用明天!
4楼2012-07-15 12:15:07
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5楼2012-07-15 12:52:21
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米想法

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【答案】应助回帖

聚苯乙烯微球表面磺化一下,就OKl啦。
6楼2012-07-18 00:10:13
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