主题：【原创】诺奖给了石墨烯 -- sitan
共:💬95 🌺675
在扫描探针显微镜领域，高定向热解石墨（HOPG）常被用于作为样品的基底，在使用之前，为了得到干净的表面，人们常用透明胶来撕下HOPG表面的数层石墨，例如这个网站中提到：
Cleaving Properties- HOPG because of its layered structure cleaves almost like mica. The usual approach is to take a piece of tape (e.g. 3M "Scotch Brand" double sided tape), press it onto the flat surface, pull it off and the tape invariably takes with is a thin layer of HOPG. This freshly cleaved surface is what is used as sample substrate material. How many cleavings per sample? This is not easy to answer, but per a 2 mm thick block of the best grades (e.g. SPI-1 or ZYA), it is reported that one can get 20-40 cleavings. We do not guarantee a fixed number of cleavings. For the lower level grades the number of cleavings per 2 mm thickness will be less, but again just how much less we can not predict with accuracy.
不过，在曼大的那两位科学家之前，确实没有人想到可以用这个办法得到单层石墨烯。
- 相关回复 上下关系8
🙂离工业化十万八千里呢。 闲看蚂蚁上树 字0 2010-10-16 10:08:38
🙂谢LZ铢钱 吹西门的雪 字132 2010-10-14 16:12:17
😂【原创】诺奖给了石墨烯（四） 67 sitan 字2884 2010-10-10 09:07:12
🙂用透明胶并非歪门邪道，它早已是科研界常用的方法
🙂what's it in a name 2 sitan 字485 2010-10-11 08:49:20
🙂好像方法和我了解的细节上不太一样 黑传说 字128 2010-10-15 14:15:59
🙂你说的没错 sitan 字20 2010-10-15 22:26:20
🙂你说的没错 1 深夜腌的萝卜丝 字148 2010-10-11 11:02:58