Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/99530
Title: Chirality control for in situ preparation of gold nanoparticle superstructures directed by a coordinatable organogelator
Authors: Zhu, Liangliang
Li, Xin
Wu, Shaojue
Yan, Hong
Nguyen, Kim Truc
Ågren, Hans
Zhao, Yanli
Keywords: DRNTU::Science::Chemistry
Issue Date: 2013
Source: Zhu, L., Li, X., Wu, S., Nguyen, K. T., Yan, H., Ågren, H., et al. (2013). Chirality control for in situ preparation of gold nanoparticle superstructures directed by a coordinatable organogelator. Journal of the American chemical society, 135(24), 9174-9180.
Series/Report no.: Journal of the American chemical society
Abstract: Imposing chirality into nanoscale superstructures is a major step forward toward systematic understanding and utilization of nanomaterials. In an attempt to achieve tunable chirality during in situ preparation of hybrid nanomaterials, we here report a novel unimolecular strategy of employing a coordinatable organogelator for the realization of chirality control in the formation of gold nanoparticle superstructures. The work takes advantage of thermally reversible sol–gel transition of the chiral dispersion as template, which causes different micelle properties that can influence the coordination ability between the organogelator and Au(III) ions. Followed by a reduction reaction, gold nanoparticle superstructures with P-helicity were prepared from the sol form of the template through a coordination-induced chiral inversion, whereas those with M-helicity were obtained from the gel form with chiral holding. Such superstructures are solvent-stable and the chirality difference between them could be observed in many solvent environments.
URI: https://hdl.handle.net/10356/99530
http://hdl.handle.net/10220/17377
DOI: 10.1021/ja403722t
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:SPMS Journal Articles

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