Kinetic stages of single-component colloidal crystallization

Langmuir : the ACS Journal of Surfaces and Colloids
Yaw Koon KohChee Cheong Wong

Abstract

To harness the full potential of colloidal self-assembly, the dynamics of the transition between colloids in suspension to a colloidal crystalline film should be better understood. In this report, the structural changes during the self-assembly process in a vertical configuration for colloids in the size range 200-400 nm are monitored in situ, using the transmission spectrum of the colloidal assembly treated as an emergent photonic crystal. It is found that there are several sequential stages of colloidal ordering: in suspension, with a larger lattice parameter than the solid state, in a close-packed wet state with solvent in the interstices, and, finally, in a close-packed dry state with air in the interstices. Assuming that these stages lead continuously from one to another, we can interpret colloidal crystallization as being initiated by interparticle forces in suspension first, followed by capillary forces. This result has implications for identifying the optimum conditions to obtain high-quality nanostructures of submicrometer-sized colloidal particles.

References

Dec 17, 1990·Physical Review Letters·K M HoC M Soukoulis
Jun 20, 1996·Chemical Reviews·Abraham Ulman
Oct 2, 2003·Nature Biotechnology·Shuguang Zhang
Sep 8, 2004·Langmuir : the ACS Journal of Surfaces and Colloids·Nicholas A KotovJoaquin Cortiella
Jan 25, 2006·Langmuir : the ACS Journal of Surfaces and Colloids·Yaw Koon Koh, Chee Cheong Wong
Feb 21, 2006·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Garry R MaskalyYet-Ming Chiang

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Citations

Aug 10, 2011·Langmuir : the ACS Journal of Surfaces and Colloids·Damien D BrewerMichael Tsapatsis
Jul 10, 2013·Chemical Society Reviews·Hailin CongXuesong Liu
May 24, 2014·Angewandte Chemie·Mulda Muldarisnur, Frank Marlow
Oct 28, 2017·Soft Matter·Mu Wang, John F Brady
Nov 15, 2016·Advanced Science·Bingqing ShenPatrick Tabeling
Dec 23, 2008·Langmuir : the ACS Journal of Surfaces and Colloids·Matthew M ShindelSzu-Wen Wang
Jan 27, 2010·Langmuir : the ACS Journal of Surfaces and Colloids·Kwan Wee TanChee Cheong Wong
Jul 26, 2008·Langmuir : the ACS Journal of Surfaces and Colloids·Kwan Wee TanC C Wong
Apr 1, 2010·Analytical Chemistry·Graham MilneDaniel T Chiu

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