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Title: Directed self-assembly of densely packed gold nanoparticles
Authors: Asbahi, M.
Lim, K.T.P.
Wang, F.
Duan, H.
Thiyagarajah, N. 
Ng, V. 
Yang, J.K.W.
Issue Date: 11-Dec-2012
Citation: Asbahi, M., Lim, K.T.P., Wang, F., Duan, H., Thiyagarajah, N., Ng, V., Yang, J.K.W. (2012-12-11). Directed self-assembly of densely packed gold nanoparticles. Langmuir 28 (49) : 16782-16787. ScholarBank@NUS Repository.
Abstract: Directing the self-assembly of sub-10-nm nanoparticles has been challenging because of the simultaneous requirements to achieve a densely packed monolayer and rearrange nanoparticles to assemble within a template. We met both requirements by separating the processes into two steps by first forming a monolayer of gold nanoparticles on a suitable liquid subphase of anisole and then transferring it edgewise onto a silicon substrate with a prepatterned template comprising nanoposts and nanogratings. Doing so resulted in nanoparticles that assembled in commensuration with the template design while exhibiting appreciable template-induced strain. These dense arrays of nanostructures could either be directly applied or used as lithographic masks in applications for light collection, chemical sensing, and data storage. © 2012 American Chemical Society.
Source Title: Langmuir
ISSN: 07437463
DOI: 10.1021/la303287z
Appears in Collections:Staff Publications

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