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ldln2hfj

金虫 (正式写手)

[求助] 关于石墨烯的机械剥离方法

我在看文献的时候发现有一段描述实验方法的看不懂,麻烦哪位朋友用通俗的话给小弟讲一下,谢谢,下面是原文:
To extract such 2D crystallites, we used a simple but
effective procedure. A fresh surface of a layered crystal was
rubbed against another surface (virtually any solid surface is
suitable), which left a variety of f lakes attached to it (the rubbing
process can be described as similar to ‘‘drawing by chalk on a
blackboard’’). Unexpectedly, among the resulting f lakes we
always found single layers. Their preliminary identification amid
thicker f lakes and other residue was done in an optical micro-
scope.
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javas2010

铁杆木虫 (著名写手)

【答案】应助回帖

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lchpy(金币+1): 2011-09-29 08:19:30
ldln2hfj(金币+5): 2011-09-29 13:24:58
which left a variety of f lakes attached to it (the rubbing
process can be described as similar to ‘‘drawing by chalk on a
blackboard’’).
这就是石墨烯在不同基底上的转移过程。可以剥离到很薄,但实现单层的概率太低了。
含泪播种的人一定能含笑收获!
4楼2011-09-29 01:47:51
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lulukeai

新虫 (初入文坛)

【答案】应助回帖

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ldln2hfj(金币+3): 2011-09-28 21:53:52
lchpy(金币+1): 2011-09-28 22:40:00
机械分离的方法也极为简单,把石墨薄片粘在胶带上,把有粘性的一面对折,再把胶带撕开,这样石墨薄片就被一分为二。 通过不断地重复这个过程,片状石墨越来越薄,最终就可以得到一定数量的石墨烯
2楼2011-09-28 20:48:21
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ldln2hfj

金虫 (正式写手)

引用回帖:
2楼: Originally posted by lulukeai at 2011-09-28 20:48:21:
机械分离的方法也极为简单,把石墨薄片粘在胶带上,把有粘性的一面对折,再把胶带撕开,这样石墨薄片就被一分为二。 通过不断地重复这个过程,片状石墨越来越薄,最终就可以得到一定数量的石墨烯

恩  这个我知道  那我想问下这个用胶带来剥离石墨烯的方法,是不能达到一层的吧   还有就是我想请你帮忙看看我说的那个英文实验方法是怎么弄的,它的那个方法后面说还是有些石墨烯是单层的
3楼2011-09-28 21:56:03
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ldln2hfj

金虫 (正式写手)

引用回帖:
4楼: Originally posted by javas2010 at 2011-09-29 01:47:51:
which left a variety of f lakes attached to it (the rubbing
process can be described as similar to ‘‘drawing by chalk on a
blackboard’’).
这就是石墨烯在不同基底上的转移过程。可以剥离到很薄, ...

是不是就像粉笔在黑板上面画那样,把石墨在一个基地上面划,可能会有单层的?
5楼2011-09-29 13:24:51
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