Unravelling three-dimensional adsorption geometries of PbSe nanocrystal monolayers at a liquid-air interface.

Journal

Communications chemistry
ISSN: 2399-3669
Titre abrégé: Commun Chem
Pays: England
ID NLM: 101725670

Informations de publication

Date de publication:
02 Mar 2020
Historique:
received: 24 09 2019
accepted: 07 01 2020
entrez: 27 1 2023
pubmed: 2 3 2020
medline: 2 3 2020
Statut: epublish

Résumé

The adsorption, self-organization and oriented attachment of PbSe nanocrystals (NCs) at liquid-air interfaces has led to remarkable nanocrystal superlattices with atomic order and a superimposed nanoscale geometry. Earlier studies examined the NC self-organization at the suspension/air interface with time-resolved in-situ X-ray scattering. Upon continuous evaporation of the solvent, the NC interfacial layer will finally contact the (ethylene glycol) liquid substrate on which the suspension was casted. In order to obtain structural information on the NC organization at this stage of the process, we examined the ethylene glycol/NC interface in detail for PbSe NCs of different sizes, combining in-situ grazing-incidence small-and-wide-angle X-ray scattering (GISAXS/GIWAXS), X-ray reflectivity (XRR) and analytical calculations of the adsorption geometry of these NCs. Here, we observe in-situ three characteristic adsorption geometries varying with the NC size. Based on the experimental evidence and simulations, we reveal fully three-dimensional arrangements of PbSe nanocrystals at the ethylene glycol-air interface with and without the presence of rest amounts of toluene.

Identifiants

DOI: 10.1038/s42004-020-0275-4 PMID: 36703462 PMC: PMC9814399
pubmed: 36703462
doi: 10.1038/s42004-020-0275-4
pii: 10.1038/s42004-020-0275-4
pmc: PMC9814399
doi:

Types de publication

Journal Article

Langues

eng

Pagination

28

Subventions

Organisme : EC | EU Framework Programme for Research and Innovation H2020 | H2020 Priority Excellent Science | H2020 European Research Council (H2020 Excellent Science - European Research Council)
ID : 642656

Informations de copyright

© 2020. The Author(s).

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Auteurs

Jaco J Geuchies (JJ)

Condensed Matter and Interfaces & Physical and Colloid Chemistry, Debye Institute for Nanomaterials Science, Utrecht University, P.O. Box 80000, 3508 TA, Utrecht, The Netherlands. j.j.geuchies@tudelft.nl.
ESRF - The European Synchrotron, ID10, 71 Rue des Martyrs, 38000, Grenoble, France. j.j.geuchies@tudelft.nl.
Optoelectronic Materials Section, Faculty of Applied Sciences, Delft University of Technology, Van der Maasweg 9, 2629 HZ, Delft, The Netherlands. j.j.geuchies@tudelft.nl.
ORCID: 0000-0002-0758-9140

Giuseppe Soligno (G)

Condensed Matter and Interfaces & Physical and Colloid Chemistry, Debye Institute for Nanomaterials Science, Utrecht University, P.O. Box 80000, 3508 TA, Utrecht, The Netherlands.
ORCID: 0000-0003-2360-2082

Ellenor Geraffy (E)

Condensed Matter and Interfaces & Physical and Colloid Chemistry, Debye Institute for Nanomaterials Science, Utrecht University, P.O. Box 80000, 3508 TA, Utrecht, The Netherlands.

Cedric P Hendrikx (CP)

ESRF - The European Synchrotron, ID10, 71 Rue des Martyrs, 38000, Grenoble, France.

Carlo van Overbeek (CV)

Condensed Matter and Interfaces & Physical and Colloid Chemistry, Debye Institute for Nanomaterials Science, Utrecht University, P.O. Box 80000, 3508 TA, Utrecht, The Netherlands.

Federico Montanarella (F)

Condensed Matter and Interfaces & Physical and Colloid Chemistry, Debye Institute for Nanomaterials Science, Utrecht University, P.O. Box 80000, 3508 TA, Utrecht, The Netherlands.

Marlou R Slot (MR)

Condensed Matter and Interfaces & Physical and Colloid Chemistry, Debye Institute for Nanomaterials Science, Utrecht University, P.O. Box 80000, 3508 TA, Utrecht, The Netherlands.
ORCID: 0000-0003-0770-0125

Oleg V Konovalov (OV)

ESRF - The European Synchrotron, ID10, 71 Rue des Martyrs, 38000, Grenoble, France.

Andrei V Petukhov (AV)

Condensed Matter and Interfaces & Physical and Colloid Chemistry, Debye Institute for Nanomaterials Science, Utrecht University, P.O. Box 80000, 3508 TA, Utrecht, The Netherlands.
Laboratory of Physical Chemistry, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB, Eindhoven, Netherlands.
ORCID: 0000-0001-9840-6014

Daniel Vanmaekelbergh (D)

Condensed Matter and Interfaces & Physical and Colloid Chemistry, Debye Institute for Nanomaterials Science, Utrecht University, P.O. Box 80000, 3508 TA, Utrecht, The Netherlands. d.vanmaekelbergh@uu.nl.

Classifications MeSH