期刊
LANGMUIR
卷 25, 期 19, 页码 11375-11382出版社
AMER CHEMICAL SOC
DOI: 10.1021/la901496s
关键词
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资金
- National Science Foundation as a Nanoscale Science and Engineering Centers Program [NSF-0425826]
- George J. Kostas Nanoscale Technology and Manufacturing Research Center at Northeastern University
- Korea Science and Engineering Foundation [R 11-2008-044-02004-0]
- Directorate For Engineering
- Div Of Engineering Education and Centers [832785] Funding Source: National Science Foundation
- National Research Foundation of Korea [2008-0061862, 과C6A2605] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
A convective directed-assembly process oil a flat substrate that does not require motion and is followed by a dry-transfer process of nanoparticles is presented. The convective assembly process was achieved using Au nanoparticles on hydrophobic/hydrophilic-surface-patterned Si substrates as functions of temperature, gap height, and particle size. An investigation of the particle assembly mechanism showed that the effects of temperature, gap height, and particle size were responsible for controlling the evaporation time, the evaporation length, and the assembly speed, respectively. To ensure conformal contact during the dry-transfer process, chemically patterned hybrid templates with elastic and flexible properties were fabricated and used. The hybrid templates provided conformal contact with a target silicon substrate coated with MPTMS (3-mercaptopropyltrimethoxysilane) and successfully transferred Au particles to the target substrates.
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