期刊
SOFT MATTER
卷 8, 期 19, 页码 5293-5300出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2sm07485k
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类别
资金
- DFG [Br1662/5-1]
- DFG Research Training Group [1401/2]
In the present paper, we report a method for fabricating a macroscopic, free-floating device that supports a microarray of molecular functional entities. Therefore, the fabrication process developed by us combines bottom-up and top-down microfabrication strategies for a spatially controllable integration of molecular entities into the macroscopic device. For application, the generated device is transferred to fluid interfaces. Through a combined experimental and theoretical study, we demonstrate that the microscopic cavities of the intrinsically hydrophilic comb-shaped mesh structure enable the flotation of the device at a water-air interface of a sessile droplet due to surface tension effects. The design of the functionalized and free-floating device affords a long-term stable approach with respect to a chemical patterning of this fluid interface without loss of the lateral arrangement of the functional entities over time.
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