Effect of surfactants on MWCNT-reinforced sol–gel silica dielectric composites
Effect of surfactants on MWCNT-reinforced sol–gel silica dielectric composites
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DOI：
10.1016/j.scriptamat.2007.07.040
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发表时间：
2007-12
影响因子：
6
通讯作者：
S. Loo;S. Idapalapati;Shanzhong Wang;Lu Shen;S. Mhaisalkar
中科院分区：
文献类型：
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作者：
S. Loo;S. Idapalapati;Shanzhong Wang;Lu Shen;S. Mhaisalkar
多壁碳纳米管（MWCNTs）和基质之间的结合不足，降低了溶胶-凝胶二氧化硅介电复合材料中MWCNT增强体的有效性。本文研究了各种表面活性剂的功效，通过多壁碳纳米管增强溶胶-凝胶二氧化硅介电薄膜的形态和机械特性，以改善键合。结果发现，使用一些表面活性剂，同时分散多壁碳纳米管提高了模量和硬度。改善的机械性能可能会减少铜/低k薄膜在倒装芯片封装和引线键合过程中的分层问题。
Insufficient bonding between multi-wall carbon nanotubes (MWCNTs) and the matrix reduces the effectiveness of MWCNT reinforcements in sol–gel silica dielectric composites. This paper investigates the efficacy of various surfactants in improving the bonding through morphological and mechanical characterization of MWCNT-reinforced sol–gel silica dielectric films. It is found that use of some surfactants while dispersing MWCNTs improves the modulus and hardness. The improved mechanical properties possibly reduce the delamination problem of Cu/low-k films during flip-chip packaging and wirebonding.