|Title||Soft Skyrmions, Spontaneous Valence and Selection Rules in Nanoparticle Superlattices|
|Publication Type||Journal Article|
|Year of Publication||2017|
|Type of Article||Article|
|Keywords||2 different, arrangements, binary nanocrystal superlattices, chemistry, crystal-structures, crystallization, entropy-driven formation, Materials Science, nanocrystal, packing fraction, self-assembly, sizes, skyrmions, spheres, superlattices, Technology - Other Topics, vortices|
), it is possible to identify and classify the ligand textures that determine their bonding. These textures consist of interacting vortices, where the total vorticity defines a spontaneous valence (coordination). Furthermore, skyrmion interactions are governed by two simple assumptions, which lead to a set of selection rules for superlattice structure. Besides resolving all the above paradoxes, the predictions are completely supported-by more than one hundred sixty experiments gathered from the literature, including a wide range of nanocrystal cores and ligands (saturated or unsaturated hydrocarbons, amines, polystyrene, etc.). How those results can be used for addressing more complex structures and guiding future experiments is also addressed.
|Custom 1|| |