Particle assembly on patterned surfaces bearing circular (dots) and rectangular (stripes) surface features

Langmuir : the ACS Journal of Surfaces and Colloids
Z AdamczykM Nattich

Abstract

Irreversible and localized adsorption of spherical particles on surface features of various shapes (collectors) was studied using the random sequential adsorption (RSA) model. Collectors in the form of dots and rectangles were considered, including the two limiting cases of squares and stripes. Numerical simulation of the Monte Carlo type enabled one to determine particle configurations, average coverage of particles, and the distribution for various collector length to particle size ratios L = L/d and collector width to particle size ratios B = b/d. It was predicted that particle coverage under the jamming state was highly nonuniform, exhibiting a maximum at the center and at the periphery of the collectors. The averaged number of particles Np adsorbed at the jamming state was also determined as a function of the L and B parameters, as well as the averaged number of particles per unit length in the case of stripes. It was revealed that Np was the highest for the circular and square collectors (for a fixed value of L). On the other hand, for L > 5, our numerical results could be well approximated by the analytical expressions Np = thetainfinityL2 for circles, Np = 4thetainfinityL2/pi for squares, Np = 4thetainfinityBL/pi for re...Continue Reading

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Citations

May 7, 2011·Langmuir : the ACS Journal of Surfaces and Colloids·Zbigniew AdamczykMichał Cieśla
Jul 24, 2010·The Journal of Chemical Physics·Damien D BrewerSatish Kumar
May 31, 2011·Advances in Colloid and Interface Science·Z AdamczykM Zaucha
Nov 21, 2009·Advances in Colloid and Interface Science·Z AdamczykJ Bławzdziewicz
Feb 6, 2009·Advances in Colloid and Interface Science·Z AdamczykJ Barbasz
Dec 16, 2016·Langmuir : the ACS Journal of Surfaces and Colloids·Keith M CarrollUrs Duerig
Sep 26, 2012·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·J F MarquesA Cadilhe
Mar 14, 2009·Langmuir : the ACS Journal of Surfaces and Colloids·Tania Rizwan, Subir Bhattacharjee
Jul 3, 2009·The Journal of Physical Chemistry. B·Sara Fortuna, Alessandro Troisi
Jun 26, 2010·Langmuir : the ACS Journal of Surfaces and Colloids·Zbigniew AdamczykMichał Cieśla
Jul 6, 2019·Langmuir : the ACS Journal of Surfaces and Colloids·Yurina AoyamaJunpei Yamanaka

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