Functional surfaces through texture management

Figures & data

Figure 1. Functional surface texture in nature. (a) Fog harvesting Darkling beetle [4] (b) Water harvesting in Cacti [5] (c) superhydrophobic lotus leaf [6].

Figure 2. The basic elements of texture. Image adapted from [7].

Figure 3. Types of nanotopology.

Figure 4. Nanodimensional textures for fish-scale-like properties. (a) Top view SEM image (b) Tilted view SEM image (c) Hydrophilicity in air (d) Hydrophobicity in water. Images adapted from [12]

Figure 5. Biphilic nanostructured surface and water collector design. Images reproduced without modification from [13].

Figure 6. Interactions between the bone and the implant surface at different topographical scales. Image reproduced without modification from [15].

Figure 7. Fewer E-coli growth on sharklet patterend catheters (a) than untextured catheters (n) Images reproduced without modification from [16].

Figure 8. Interactions between bubbles and various textures. Image adapted from [17].

Figure 9. Nanotexturing of Si for solar cells (a) Pyramidal [18] (b) reverse pyramid (c) multicrystalline [19].

Frederick E. Could this desert beetle help humans harvest water from thin air? Science. 2019. doi: 10.1126/science.aba3775. 27-Nov-2019.

 Google Scholar

Garvin C, Smith C, Hanson E, et al. “Tapping into Nature: Wising up to water innovation,” GreenBiz: [cited 2015 Nov 20], https://www.greenbiz.com/article/tapping-nature-wising-water-innovation.

 Google Scholar

Williams-Rice M. This non-toxic material is a spray-on water repellent. Furturity. Dec. 10, 2015. https://www.futurity.org/superhydrophobic-materials-nontoxic-1067122-2/. 10-Dec-2015

 Google Scholar

Sahay C, Ghosh S. Understanding Surface Quality: Beyond Average Roughness (Ra). ASEE Annual Conference and Exposition., Salt Lake City: American Society for Engineering Education; Jun. 2018.

 Google Scholar

Yong J, et al. Bioinspired underwater superoleophobic surface with ultralow oil-adhesion achieved by femtosecond laser microfabrication. J. Mater. Chem. A. 2014;2(23):8790–8795. doi: 10.1039/C4TA01277A.

 Web of Science ®Google Scholar

Hou Y, Shang Y, Yu M, et al. Tunable water harvesting surfaces consisting of biphilic nanoscale topography. ACS Nano. 2018;12(11):11022–11030. doi: 10.1021/acsnano.8b05163.

 PubMed Web of Science ®Google Scholar

Gittens RA, et al. The effects of combined micron-/submicron-scale surface roughness and nanoscale features on cell proliferation and differentiation. Biomaterials. 2011;32(13):3395–3403. doi: 10.1016/j.biomaterials.2011.01.029.

 PubMed Web of Science ®Google Scholar

Reddy ST, Chung KK, McDaniel CJ, et al. Micropatterned surfaces for reducing the risk of catheter-associated urinary tract infection: An In vitro study on the effect of sharklet micropatterned surfaces to inhibit bacterial colonization and migration of uropathogenic escherichia coli. J Endourol. 2011;25(9):1547–1552. doi: 10.1089/end.2010.0611.

 PubMed Web of Science ®Google Scholar

Cheng H-B, Lu Y-W. Applications of textured surfaces on bubble trapping and degassing for microfluidic devices. Microfluid Nanofluidics. 2014;17(5):855–862. doi: 10.1007/s10404-014-1368-0.

 Web of Science ®Google Scholar

Campbell P, Green MA. Light trapping properties of pyramidally textured surfaces. J Appl Phys. 1987;62(1):243–249. doi: 10.1063/1.339189.

 Web of Science ®Google Scholar

Honsberg C, Bowden S. “Surface Texturing.”[cited 2023 Mar 30] https://www.pveducation.org/pvcdrom/design-of-silicon-cells/surface-texturing#footnote3_e257rek.

 Google Scholar