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新虫 (小有名气)

[求助] 文献上石墨烯怎么测紫外 已有1人参与

是溶解某种溶剂中(具体什么溶剂)还是直接测固体紫外?求大神指导
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kinple

至尊木虫 (文坛精英)

这是边缘羧基化并带还原基团的的氧化石墨烯,在碱性环境下分散的很好
文献上石墨烯怎么测紫外
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8楼2015-04-30 15:15:07
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kinple

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【答案】应助回帖

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感谢参与,应助指数 +1
有个性: 金币+5, ★★★很有帮助 2015-04-30 15:09:20
水相测定,比如

Solvent-Assisted Thermal Reduction of Graphite Oxide
J. Phys. Chem. C 2010, 114, 14819–14825
The sample for UV characterization was obtained by taking 100 μL of suspension from the flask, which was diluted with equal amount of H2O.
2楼2015-04-30 15:02:30
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新虫 (小有名气)

引用回帖:
2楼: Originally posted by kinple at 2015-04-30 15:02:30
水相测定,比如

Solvent-Assisted Thermal Reduction of Graphite Oxide
J. Phys. Chem. C 2010, 114, 14819–14825
The sample for UV characterization was obtained by taking 100 μL of suspension from  ...

RGO不溶于水,只能超生分散,紫外光能透过吗,大神自己做过吗?
3楼2015-04-30 15:09:11
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kinple

至尊木虫 (文坛精英)

【答案】应助回帖

不好意思,有点没对哈,全文如下

The sample for UV characterization was obtained by taking 100 μL of suspension from the flask, which was diluted with equal amount of H2O. After termination of the thermal treatment, the remaining suspensions were filtrated, washed by ethanol, and dried in air.(要干燥的)
…………UV spectra were measured by UV-2450 (Shimadzu Co.).…………
4楼2015-04-30 15:09:55
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