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benking木虫 (小有名气)
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[求助]
［求合作］寻求可以原位生长阵列碳纳米管的课题组合作
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因为课题需要，需要合成阵列碳纳米管，而我在医学院，没有条件做。特寻求有条件的实验室一起合作。 需要的实验条件如下： CNTF Fabrication : Vertically aligned multi-walled carbon nanotube forests (CNTFs) were grown by thermal chemical vapor deposition at 650 °C in 200:500:10 sccm Ar:H2:C2H2 at atmospheric pressure, from sputtered Al2O3 (10 nm)/Fe (1 nm) fi lms supported on Si wafer substrates. The samples were transferred in air between the catalyst layer depositions before being loaded into the 2″ diameter quartz tubing of the CVD furnace (Carbolite). Subsequently, the samples were heated up to 650 °C under a 1000 sccm flow of Ar, annealed for 3 min in 200:500 sccm Ar/H2 , and then 10 sccm of C2H2 were added to start CNT growth. The CNT length (20 μm) was controlled by the growth time of 3 min. The samples were cooled to room temperature in Ar atmosphere. 感谢！ [ 发自手机版 http://muchong.com/3g ] [ Last edited by supernatural on 2014-10-26 at 22:03 ] |
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