Multilayer Diffraction Reveals That Colloidal Superlattices Approach the Structural Perfection of Single Crystals.
disorder
grazing-incidence
multilayer diffraction
nanocrystal
superlattice
thermal annealing
Journal
ACS nano
ISSN: 1936-086X
Titre abrégé: ACS Nano
Pays: United States
ID NLM: 101313589
Informations de publication
Date de publication:
27 Apr 2021
27 Apr 2021
Historique:
pubmed:
23
1
2021
medline:
23
1
2021
entrez:
22
1
2021
Statut:
ppublish
Résumé
Colloidal superlattices are fascinating materials made of ordered nanocrystals, yet they are rarely called "atomically precise". That is unsurprising, given how challenging it is to quantify the degree of structural order in these materials. However, once that order crosses a certain threshold, the constructive interference of X-rays diffracted by the nanocrystals dominates the diffraction pattern, offering a wealth of structural information. By treating nanocrystals as scattering sources forming a self-probing interferometer, we developed a multilayer diffraction method that enabled the accurate determination of the nanocrystal size, interparticle spacing, and their fluctuations for samples of self-assembled CsPbBr
Identifiants
pubmed: 33481560
doi: 10.1021/acsnano.0c08929
pmc: PMC8155329
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
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