Robust Self-Assembly of Highly Ordered Complex Structures by Controlled Evaporation of Confined Microfluids†
Suck Won Hong
Department of Materials Science and Engineering, Iowa State University, Ames, IA 50011 (USA), Fax: (+1) 515-294-7202
Search for more papers by this authorMyunghwan Byun
Department of Materials Science and Engineering, Iowa State University, Ames, IA 50011 (USA), Fax: (+1) 515-294-7202
Search for more papers by this authorZhiqun Lin Prof.
Department of Materials Science and Engineering, Iowa State University, Ames, IA 50011 (USA), Fax: (+1) 515-294-7202
Search for more papers by this authorSuck Won Hong
Department of Materials Science and Engineering, Iowa State University, Ames, IA 50011 (USA), Fax: (+1) 515-294-7202
Search for more papers by this authorMyunghwan Byun
Department of Materials Science and Engineering, Iowa State University, Ames, IA 50011 (USA), Fax: (+1) 515-294-7202
Search for more papers by this authorZhiqun Lin Prof.
Department of Materials Science and Engineering, Iowa State University, Ames, IA 50011 (USA), Fax: (+1) 515-294-7202
Search for more papers by this authorWe gratefully acknowledge support from the National Science Foundation (CAREER award CBET-0844084) and 3M.
Graphical Abstract
Coffee rings: Polymer solutions are confined in a simple geometry comprised of a curved surface placed upon a flat substrate. Simply by changing the shape of the upper surface of the imposed geometry, the controlled, evaporative self-assembly of polymer solutions yields a variety of complex, intriguing, and well-ordered structures over large areas (see picture).
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