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Colloidal Inks for Directed Assembly of 3-D Periodic Structures
Abstract
Mesoscale periodic structures have been fabricated via directed assembly of colloidal inks. Concentrated colloidal gels with tailored viscoelastic properties were designed to form self-supporting features. The inks were deposited in a layer-by-layer sequence to directly write the desired 3-D pattern. Periodic structures with spanning features that vary between ∼100 μm and 1 mm were assembled. Shear rate profiles were calculated on the basis of the measured rheological properties of the inks under slip and no-slip boundary conditions during flow through a cylindrical deposition nozzle. Deflection measurements of spanning elements were used to probe the relationship between gel strength, deposition speed, and shear rate profiles in the nozzle. These observations revealed that the ink adopted a rigid (gel) core−fluid shell architecture during assembly, which simultaneously facilitated bonding and shape retention of the deposited elements.
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Cited by
Sydney Gladman, A., Matsumoto, E. A., Nuzzo, R. G., Mahadevan, L., & Lewis, J. A. (2016) · Nature Materials · doi:10.1038/nmat4544 · Cited by 3,027
Self-citation3D printing of ceramics: A review
Chen, Z., Li, Z., Li, J., Liu, C., Lao, C., Fu, Y., Liu, C., Li, Y., Wang, P., & He, Y. (2019) · Journal of the European Ceramic Society · doi:10.1016/j.jeurceramsoc.2018.11.013 · Cited by 2,109
Direct Ink Writing of 3D Functional Materials
Lewis, J. A. (2006) · Advanced Functional Materials · doi:10.1002/adfm.200600434 · Cited by 1,740
Self-citationLong range interactions in nanoscale science
French, R. H., Parsegian, V. A., Podgornik, R., Rajter, R. F., Jagota, A., Luo, J., Asthagiri, D., Chaudhury, M. K., Chiang, Y.-M., Granick, S., et al. (2010) · Reviews of Modern Physics · doi:10.1103/revmodphys.82.1887 · Cited by 441
Self-citationActive mixing of complex fluids at the microscale
Ober, T. J., Foresti, D., & Lewis, J. A. (2015) · Proceedings of the National Academy of Sciences · doi:10.1073/pnas.1509224112 · Cited by 306
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Metadata
- Authors
- Smay, J. E., Cesarano, J., & Lewis, J. A.
- Venue
- Langmuir
- Publisher
- American Chemical Society (ACS)
- Published
- 2002-06-14
- Volume
- 18
- Issue
- 14
- Pages
- 5429-5437
- ISSN
- 0743-7463 (ISSN-L)
- 1520-5827
- OpenAlex
- W2050280377
- Cited by
- 700
- References
- 0
- FWCI
- 8.34
- Type
- journal article
- Language
- en
- Open access
- closed
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