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https://hdl.handle.net/10356/96584
Title: | Kinetically controlled assembly of a spirocyclic aromatic hydrocarbon into polyhedral micro/nanocrystals | Authors: | Lin, Zongqiong Sun, Peng-Ju Tay, Yee Yan Liang, Jing Liu, Yi Shi, Nai-En Xie, Linghai Yi, Ming-Dong Qian, Yan Fan, Qu-Li Zhang, Hua Hng, Huey Hoon Ma, Jan Zhang, Qichun Huang, Wei |
Issue Date: | 2012 | Source: | Lin, Z.-Q., Sun, P.-J., Tay, Y. Y., Liang, J., Liu, Y., Shi, N.-E., et al. (2012). Kinetically controlled assembly of a spirocyclic aromatic hydrocarbon into polyhedral micro/nanocrystals. ACS nano, 6(6), 5309-5319. | Series/Report no.: | ACS nano | Abstract: | Nonplane molecules with multiple large aromatic planes could be promising candidates to form various polyhedral micro/nanocrystals by manipulating the different π···π stacking, tuning the cohesive energies of crystal facets, and controlling the kinetic growth process. Spirocyclic aromatic hydrocarbons (SAHs) not only have two cross-shaped aromatic planes but also offer the feature of supramolecular steric hindrance, making it favorable for the heterogeneous kinetic growth into highly symmetric polyhedra. Herein, we report that a novel SAH compound, spiro[fluorene-9,7′-dibenzo[c,h]acridine]-5′-one (SFDBAO), can self-assemble into various monodispersed shapes such as hexahedra, octahedra, and decahedra through the variation of either different types of surfactants, such as Pluronic 123 (P123) and cetyltrimethyl ammonium bromide (CTAB), or growth parameters. In addition, the possible mechanism of crystal facet growth has been proposed according to the SEM, XRD, TEM, and SAED characterization of organic polyhedral micro/nanocrystals. The unique cruciform-shaped SAHs have been demonstrated as fascinating supramolecular synthons for various highly symmetric polyhedral assembling. | URI: | https://hdl.handle.net/10356/96584 http://hdl.handle.net/10220/10341 |
ISSN: | 1936-0851 | DOI: | 10.1021/nn3011398 | Schools: | School of Materials Science & Engineering | Rights: | © 2012 American Chemical Society. | Fulltext Permission: | none | Fulltext Availability: | No Fulltext |
Appears in Collections: | MSE Journal Articles |
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