Growth of Aligned Carbon Nanotube Arrays for Fabricating Gecko-Foot-Mimetic Dry Adhesives

• Main Authors: Chih-ChunLin, 林志駿
• Other Authors: Franklin Chau-Nan Hong
• Format: Others
• Language: zh-TW
• Published: 2010
• Online Access: http://ndltd.ncl.edu.tw/handle/09473094390859499656

碩士 === 國立成功大學 === 化學工程學系碩博士班 === 98 === In this work, water vapor is used to assist in fabricating carbon nanotube (CNTs) arrays by thermal chemical vapor deposition (Thermal CVD). The influence of water vapor and some experimental parameters are discussed in the following article. Moreover, the as-grown carbon nanotube array is transferred from Si substrate to glass/PMMA substrate by using microwave treatment. Therefore, the as-prepared glass/PMMA/VACNT substrate will be applied to fabricate gecko-foot-mimetic dry adhesives. The catalyst for synthesizing CNT arrays is Al/Fe. The Al layer in this work is proved that it can prevent catalyst from aggregating during annealing process. CNT array is synthesized by acetylene CVD containing H2 and water vapor. By means of controlling the growth pressure and growth time, CNT arrays is obtained successfully. Furthermore, the results by TEM analysis show that CNT is tip-growth mode. In order to enhance the adhesion between CNT and substrate, microwave treatment is carried out to assist in transferring Si/CNT to glass/PMMA substrate. In addition, gecko-foot-mimetic dry adhesive is fabricated by using glass/PMMA/VACNT substrate, and the result shows that the maximum loading weight is about 92 grams.