A novel approach to quantitatively assess the uniformity of binary colloidal crystal assemblies

Peter Koegler, Michelle Dunn, Peng Yuan Wang, Helmut Thissen, Peter Kingshott

研究成果: 雜誌貢獻文章同行評審

3 引文 斯高帕斯(Scopus)

摘要

Colloidal self-assembly into highly ordered binary systems represents a versatile and inexpensive approach to generate well defined surface topographical features with submicron resolution. In addition, the use of surface-functionalized particles where each particle bears a different surface functionality enables the generation of highly resolved surface chemical patterns. Such topographical, as well as chemical features, are of great interest in biomaterials science particularly in the context of investigating and controlling the cellular response. While colloidal crystals have been used to generate a wide range of surface patterns, it has not been possible until now to quantitatively describe the degree of uniformity within such systems. In the present work we describe a novel approach to quantitatively assess the uniformity within binary colloidal assemblies based on image processing methods, primarily the Circular Hough Transform and distance calculations. We believe that the methodology presented here will find broad application in the field of colloidal crystals to quantitatively describe the integrity and homogeneity of assemblies.
原文英語
文章編號84
期刊Crystals
6
發行號8
DOIs
出版狀態已發佈 - 八月 1 2016
對外發佈

ASJC Scopus subject areas

  • 化學工程 (全部)
  • 材料科學(全部)
  • 凝聚態物理學
  • 無機化學

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