Evaporation-induced self-assembly of nanoparticles from a sphere-on-flat geometry

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Abstract

(Figure Presented) Nanoscience in coffee rings: Nanoparticles with easily tailored optical and electronic properties can be dynamically self-assembled into spatially ordered, 2D patterns (see SEM picture) simply by allowing a drop of a nanoparticle solution to evaporate in a confined, axially symmetric geometry. Utilizing the "coffee-ring" phenomenon, this approach, which dispenses with the need for lithography and external fields, is fast, cheap, and robust. © 2007 Wiley-VCH Verlag GmbH & Co. KGaA.

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Xu, J., Xia, J., & Lin, Z. (2007). Evaporation-induced self-assembly of nanoparticles from a sphere-on-flat geometry. Angewandte Chemie - International Edition, 46(11), 1860–1863. https://doi.org/10.1002/anie.200604540

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