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Template-Mediated Formation of Colloidal Two-Dimensional Tin Telluride Nanosheets and the Role of the Ligands

Fagui He, Eugen Klein, Stephan Bartling Orcid Logo, Siavash Saeidpour, Björn Corzilius Orcid Logo, Rostyslav Lesyuk, Christian Klinke

The Journal of Physical Chemistry C, Volume: 126, Issue: 48, Pages: 20498 - 20504

Swansea University Author: Christian Klinke

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DOI (Published version): 10.1021/acs.jpcc.2c06262

Abstract

We report the colloidal synthesis of 2D SnTe nanosheets through precursor hot-injection in a nonpolar solvent. During the reaction, an important intermediate – Sn-template – is formed which defines the confined growth of SnTe. This "flake-like" structure gives the first evidence for the po...

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Published in: The Journal of Physical Chemistry C
ISSN: 1932-7447 1932-7455
Published: American Chemical Society (ACS) 2022
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URI: https://cronfa.swan.ac.uk/Record/cronfa62228
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Abstract: We report the colloidal synthesis of 2D SnTe nanosheets through precursor hot-injection in a nonpolar solvent. During the reaction, an important intermediate – Sn-template – is formed which defines the confined growth of SnTe. This "flake-like" structure gives the first evidence for the possible 2D morphology formation prior to the anion precursor injection (TOP-Te). Additionally, we explore the role of each ligand in the reaction process. Thus, we explain the formation and morphology evolution of 2D SnTe nanostructures from a mechanism perspective as well as the role of each ligand on the molecular scale. The interplay of ligands provides the necessary conditions for the realization of stable low-dimensional SnTe nanomaterials with tunable size and shape.
College: Faculty of Science and Engineering
Funders: B.C. acknowledges funding by the DFG through the grants CO 802/2-2 and INST 264/177-1 FUGG. C.K. acknowledges the European Regional Development Fund of the European Union for funding the X-ray diffractometer (GHS-20-0036/ P000379642) and the Deutsche Forschungsgemeinschaft for funding an electron microscope ThermoFisher Talos L120C (INST 264/188-1 FUGG).
Issue: 48
Start Page: 20498
End Page: 20504

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