Nano Archive

Two-dimensional confinement of nanorods in block copolymer domains

Deshmukh, Ranjan D. and Liu, Yu and Composto, Russ J. (2007) Two-dimensional confinement of nanorods in block copolymer domains. NANO LETTERS, 7 (12). pp. 3662-3668.

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Gold nanorods (NRs) self-orient during the self-assembly of a symmetric poly(styrene-b-methyl methacrylate) (PS-b-PMMA) film. The NRs are selectively sequestered and confined in lamellar PMMA domains, which are narrower than the NR length. This confinement orients 71% of NRs within +/- 5 degrees of the lamella plane. During solvent annealing, a gradient in the concentration of NRs is observed. This route to produce alternating layers containing conducting NRs separated by dielectric domains has the potential for fabricating self-assembled nanodevices.

Item Type:Article
Subjects:Material Science > Nanofabrication processes and tools
Material Science > Nanostructured materials
ID Code:513
Deposited On:04 Dec 2008 11:46
Last Modified:04 Dec 2008 11:46

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