Effect of chain length on low temperature gold-gold bonding by self assembled monolayers
The tensile strength of thermocompression gold joints formed with prior surface coatings of alkanethiol self-assembled monolayers (SAMs) depends on the chain length (n) of the SAM. Enhancement of bond strength is most significant at n=6 while no improvement can be achie...
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| Main Authors: | , , , |
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| 格式: | Article |
| 語言: | English |
| 出版: |
2012
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| 主題: | |
| 在線閱讀: | https://hdl.handle.net/10356/85265 http://hdl.handle.net/10220/7703 |
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| 機構: | Nanyang Technological University |
| 語言: | English |
| 總結: | The tensile strength of thermocompression gold joints formed with prior surface coatings of
alkanethiol self-assembled monolayers (SAMs) depends on the chain length (n) of the SAM.
Enhancement of bond strength is most significant at n=6 while no improvement can be achieved
using octadecanethiol (n=18). These contrasting behaviors can be interpreted as a consequence of
two dominant roles of alkanethiols that govern the bonding phenomenon, namely, the passivation of
gold surfaces and the ease of mechanical and/or thermal displacement. |
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