AI Article Synopsis
- Researchers created uniform sub-2-nm EuOF nanowires by adjusting the interactions between crystalline seeds and surfactants during the heating process of a specific Europium compound in a mixture of oleic acid and oleylamine.
- These nanowires can self-organize into neatly arranged superstructures on surfaces and exhibit strong red fluorescence when exposed to UV light.
- The high quantum yield of 65% for the emitted light is attributed to the dense presence of Europium ions and the protective effect of the capping ligands that minimize surface defects.
Article Abstract
Monodisperse sub-2-nm EuOF nanowires were obtained by manipulating the fluorophilicity between crystalline seeds and capping surfactant molecules during the thermolysis of Eu(CF(3)COO)(3) in oleic acid (OA) and oleylamine (OM). The uniform EuOF nanowires can self-organize on substrates to form parallel aligned superstructures and display strong Eu(3+)red emissions with high quantum yields of 65% under the UV light excitations due to the presence of dense surface Eu(3+) sites in the ultrathin nanowires as well as the passivation of the surface defects by the capping ligands.
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| http://dx.doi.org/10.1021/ja9080088 | DOI Listing |
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