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Colloidal Crystal Wires

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Advanced Materials · Journal article · 18 June 2008

Michael Tymczenko, Lluis F. Marsal, Trifon Trifonov, Isabelle Rodriguez, Fernando Ramiro-Manzano, Josep Pallares, Angel Rodriguez, Ramon Alcubilla and Francisco Meseguer

Advanced Materials

Volume 20

Issue 12

Pages 2315–2318

2008

Abstract

Several configurations of colloidal wires are obtained by infiltration of charge-stabilized polystyrene spheres into cylindrical pores of a silicon membrane. As channel dimensions are comparable to those of particles, wirelike arrangements are governed by the ratio between the pore diameter and the particle diameter. Also, Coulomb repulsion between particles plays a very important role in the particle ordering.

How to cite

Initials first

M. Tymczenko, L. F. Marsal, T. Trifonov, I. Rodriguez, F. Ramiro-Manzano, J. Pallares, A. Rodriguez, R. Alcubilla and F. Meseguer. “Colloidal Crystal Wires.” Adv. Mater. 20(12), 2315–2318 (2008). DOI: 10.1002/adma.200701526.

Family name first

Tymczenko, M., Marsal, L. F., Trifonov, T., Rodriguez, I., Ramiro-Manzano, F., Pallares, J., Rodriguez, A., Alcubilla, R., Meseguer, F. “Colloidal Crystal Wires.” Adv. Mater. 20(12), 2315–2318 (2008). DOI: 10.1002/adma.200701526.

Figures

Scheme showing latex-sphere infiltration, PDMS infiltration and template removal to obtain colloidal crystal wires
Figure 1. Fabrication sequence: infiltration of latex spheres into the silicon pores, infiltration with PDMS and removal of the silicon template to release the colloidal crystal wires.
From M. Tymczenko et al., Advanced Materials 20, 2315–2318 (2008), DOI 10.1002/adma.200701526. © Wiley-VCH.
Three SEM panels showing polystyrene spheres inside silicon pores, a side view after PDMS infiltration and released colloidal crystal wires
Figure 2. Representative wire-like colloidal arrangements obtained for different ratios between pore diameter and particle diameter.
From M. Tymczenko et al., Advanced Materials 20, 2315–2318 (2008), DOI 10.1002/adma.200701526. © Wiley-VCH.
Composite SEM figure comparing colloidal crystal wire arrangements for confinement ratios D from 1.3 to 2.9 with corresponding sphere-packing models
Figure 3. Colloidal-wire configurations comparing experimental particle ordering with the corresponding structural models.
From M. Tymczenko et al., Advanced Materials 20, 2315–2318 (2008), DOI 10.1002/adma.200701526. © Wiley-VCH.

Related research image

Bundle of colloidal crystal wires. This CSIC press image illustrates the research and is not presented as a numbered figure extracted from the journal article.

Image: CSIC · Source: SINC · CC BY 4.0