Journal
ACS NANO
Volume 11, Issue 8, Pages 7797-7806Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsnano.7b01605
Keywords
supracrystals; self-assembly; vesicle; optical properties; water-dispersed
Categories
Funding
- CNRS
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Hydrophobic Au nanocrystal assemblies (both ordered and amorphous) were dispersed in aqueous solution via the assistance of lipid vesicles. The intertwine between vesicles and Au assemblies was made possible through a careful selection of the length of alkyl chains on Au nanocrystals, Extinction spectra of Au assemblies showed two peaks that were assigned to a scattering mode that red-shifted with increasing the assembly size and an absorption mode associated with localized surface plasmon that was independent of their size. This plasmon fingerprint could be used as a probe for investigating the optical properties of such assemblies. Our water-soluble assemblies enable exploring a variety of potential applications including solar energy and biomedicine.
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