Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 2, Issue 7, Pages 1922-1926Publisher
AMER CHEMICAL SOC
DOI: 10.1021/am100250c
Keywords
self-assembly; binary colloidal crystals; air-water interface
Funding
- Natural Science Foundation of China [50903046]
- Fok Ying Tung Education Foundation [122018]
- Doctoral Program of Higher Education of China [20090002120043]
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A simple, fast, and cost-effective co-self-assembly approach to fabricate large-area two-dimensional (2D) binary colloidal crystals has been developed. By manipulating the size ratio and number ratio of the two monodisperse polystyrene latexes, a variety of binary colloidal crystal monolayers with different structures were successfully prepared. The co-self-assembly mechanism of the 2D binary colloidal crystals at the air-water interface was investigated. It was found that the glass slide and the ethanol involved in this work had played significant roles as buffer storage and spreading agent, respectively.
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