Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 136, Issue 17, Pages 6175-6178Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ja500786p
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Funding
- Office of Naval Research [N000141210574]
- National Science Foundation (CMMI) [1200850]
- Directorate For Engineering
- Div Of Civil, Mechanical, & Manufact Inn [1200850] Funding Source: National Science Foundation
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Copper alkanethiolates are organometallic precursors that have been used to form Cu2S nanodisks upon thermal decomposition. Here, we demonstrate that molecular assembly of Cu alkanethiolates into an ordered liquid crystalline mesophase plays an essential role in templating the disk morphology of the solid-state product. To examine this templating effect, we synthesize Cu alkanethiolate precursors with alkane tails of varying chain length and sterics. We demonstrate that short chain precursors produce two-dimensional (2D) nanosheets of Cu2S, while longer-chained variants produce Cu2S nanodisks exclusively. This work provides new insights into the use of liquid crystalline phases as templates for nanocrystal synthesis and as a potential route for achieving highly anisotropic inorganic nanostructures.
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