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Nano Lett. 2022 Jan 12;22(1):29-35. doi: 10.1021/acs.nanolett.1c02859. Epub 2021 Dec 20.

Crystallization within Intermediate Amorphous Phases Determines the Polycrystallinity of Nanoparticles from Coprecipitation.

Nano letters

Alexy P Freitas, Raj Kumar Ramamoorthy, Maxime Durelle, Eric Larquet, Isabelle Maurin, Fabienne Testard, Corinne Chevallard, Thierry Gacoin, David Carriere

Affiliations

  1. Université Paris-Saclay, CNRS, CEA, NIMBE, LIONS, 91?191 Gif-sur-Yvette, France.
  2. Laboratoire de Physique de la Matière Condensée (PMC), CNRS, Ecole Polytechnique, Institut Polytechnique de Paris, 91?120 Palaiseau, France.

PMID: 34928165 DOI: 10.1021/acs.nanolett.1c02859

Abstract

Intense research on nanocrystals synthesized in solution is motivated by their original physical properties, which are determined by their sizes and shapes on various scales. However, morphology control on the nanoscale is limited by our understanding of crystallization, which is challenged by the now well-established prevalence of noncrystalline intermediates. In particular, the impact of such intermediates on the final sizes and crystal quality remains unclear because the characterization of their evolution on the nanometer and millisecond scales with nonperturbative analyses has remained a challenge. Here we use in situ X-ray scattering to show that the nucleation and growth of YVO

Keywords: SAXS; YVO4; crystallization per attachment; nanoparticles; nonclassical crystallization; nucleation

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