Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
598023 | Colloids and Surfaces A: Physicochemical and Engineering Aspects | 2007 | 5 Pages |
Abstract
Single-walled carbon nanotubes (SWNTs) in aqueous and ethanol solutions can be self-assembled into ramified fractal-patterns, ring-patterns or fingering-patterns on silicon wafers over a large area under controlled evaporation conditions by the droplet evaporation method. The formation of these regular patterns can be attributed to the Marangoni effect and diffusion-limited aggregation (DLA) in the liquid film during droplet evaporation at different conditions. This simple method to assemble SWNTs will provide potential applications for advanced devices and sensors.
Related Topics
Physical Sciences and Engineering
Chemical Engineering
Colloid and Surface Chemistry
Authors
Jianlong Zhang, Sung-Kyoung Kim, Xiudong Sun, Haiwon Lee,