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One-step synthesis of hybrid liquid–crystal ZnO nanoparticles: Existence of a critical temperature associated with the anisotropy of the nanoparticles

Abstract : Zinc oxide nanoparticles were obtained from the hydrolysis of an organometallic precursor in pure hexadecylamine. Interestingly, we demonstrate that the final (anisotropic or isotropic) shape of the nanoparticles is strongly correlated to the existence of a critical temperature. This suggests that the organization of the fatty amines is a paramount parameter in this synthesis. Moreover, the final hybrid ZnO materials systematically exhibit a liquid–crystal smectic phase, whereas no liquid–crystal phase was observed in the pristine reaction media. This simple process is, therefore, a direct and straightforward method to synthesize liquid–crystal hybrid materials.
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https://hal.archives-ouvertes.fr/hal-01936039
Contributor : Marie-Hélène Gulli <>
Submitted on : Tuesday, November 27, 2018 - 11:21:08 AM
Last modification on : Friday, June 12, 2020 - 10:50:57 AM

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Zhiqin Zheng, Rémy Butynska, Clara Valverde Serrano, Jean-Daniel Marty, Christophe Mingotaud, et al.. One-step synthesis of hybrid liquid–crystal ZnO nanoparticles: Existence of a critical temperature associated with the anisotropy of the nanoparticles. Chemistry - A European Journal, Wiley-VCH Verlag, 2016, 22 (44), pp.15614-15618. ⟨10.1002/chem.201602742⟩. ⟨hal-01936039⟩

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