The DOI matches its Crossref record; 46 of the 46 references it cites were found in a registry or an index.
Self-Assembly Patterns Formed upon Solvent Evaporation of Aqueous Cetyltrimethylammonium Bromide-Coated Gold Nanoparticles of Various Shapes
Abstract
Gold nanocrystals of various shapes, which were produced in high yield in the presence of cetyltrimethylammonium bromide (CTAB), showed a range of two-dimensional self-assembly patterns upon drying from aqueous solution. The interparticle spacings were independent of the size and shape of the gold nanocrystals. Energy-dispersive X-ray analysis (EDAX) and Fourier-transform infrared (FTIR) spectroscopic studies revealed that the CTAB molecules adsorb onto surfaces of the gold nanocrystals in a bilayer or multilayer fashion, consistent with other groups' results. Zeta potential measurements showed that CTAB-coated nanocrystals were positively charged and the zeta potential remained almost the same upon two centrifugations and redispersion of the nanocrystals in deionized water, confirming the high stability of the surfactant-nanoparticle interaction. The nanocrystal shape strongly influenced the nature of the self-assembly patterns, in some cases in accord with theoretical predictions. CTAB is proposed as the medium for self-assembly, via interdigitation of its hydrophobic chains from adjacent nanocrystals for close contact, or via sharing a layer of counterions for larger inter-nanocrystal spacings.
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Cites
Monodisperse FePt Nanoparticles and Ferromagnetic FePt Nanocrystal Superlattices
Sun, S., Murray, C. B., Weller, D., Folks, L., & Moser, A. (2000) · Science · doi:10.1126/science.287.5460.1989 · Cited by 6,137
Imperfect Oriented Attachment: Dislocation Generation in Defect-Free Nanocrystals
Penn, R. L., & Banfield, J. F. (1998) · Science · doi:10.1126/science.281.5379.969 · Cited by 2,411
Contact line deposits in an evaporating drop
Deegan, R. D., Bakajin, O., Dupont, T. F., Huber, G., Nagel, S. R., & Witten, T. A. (2000) · Physical Review E · doi:10.1103/physreve.62.756 · Cited by 2,300
Self-Organization of CdSe Nanocrystallites into Three-Dimensional Quantum Dot Superlattices
Murray, C. B., Kagan, C. R., & Bawendi, M. G. (1995) · Science · doi:10.1126/science.270.5240.1335 · Cited by 2,220
Transmission Electron Microscopy of Shape-Controlled Nanocrystals and Their Assemblies
Wang, Z. L. (2000) · The Journal of Physical Chemistry B · doi:10.1021/jp993593c · Cited by 2,137
Self-Assembly of ZnO: From Nanodots to Nanorods
Pacholski, C., Kornowski, A., & Weller, H. (2002) · Angewandte Chemie International Edition · doi:10.1002/1521-3773(20020402)41:7<1188::aid-anie1188>3.0.co;2-5 · Cited by 1,888
Beyond molecules: Self-assembly of mesoscopic and macroscopic components
Whitesides, G. M., & Boncheva, M. (2002) · Proceedings of the National Academy of Sciences · doi:10.1073/pnas.082065899 · Cited by 1,616
Room Temperature, High-Yield Synthesis of Multiple Shapes of Gold Nanoparticles in Aqueous Solution
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Self-citationSeeded High Yield Synthesis of Short Au Nanorods in Aqueous Solution
Sau, T. K., & Murphy, C. J. (2004) · Langmuir · doi:10.1021/la049463z · Cited by 1,396
Self-citationCoupled synthesis and self-assembly of nanoparticles to give structures with controlled organization
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Metadata
- Authors
- Sau, T. K., & Murphy, C. J.
- Venue
- Langmuir
- Publisher
- American Chemical Society (ACS)
- Published
- 2005-03-01
- Volume
- 21
- Issue
- 7
- Pages
- 2923-2929
- ISSN
- 0743-7463 (ISSN-L)
- 1520-5827
- OpenAlex
- W2036285102
- Cited by
- 406
- References
- 46
- FWCI
- 12.25
- Type
- journal article
- Language
- en
- Open access
- closed
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