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A Versatile Bottom‐up Assembly Approach to Colloidal Spheres from Nanocrystals

2007; Wiley; Volume: 46; Issue: 35 Linguagem: Inglês

10.1002/anie.200701355

1521-3773

Feng Bai, Dingsheng Wang, Ziyang Huo, Wei Chen, Liping Liu, Xin Liang, Chen Chen, Xun Wang, Qing Peng, Yadong Li,

Pickering emulsions and particle stabilization

Well-rounded: Water-dispersed colloidal spheres that are self-assembled from nanocrystals with different size, shape, composition, and surface ligand were prepared through a versatile emulsion-based self-assembly (EBS) approach. Through this emulsification process, a dispersion of BaCrO4 nanocrystals in cyclohexane (see picture, left) can be transformed into a dispersion of colloidal spheres of BaCrO4 (see picture, right).