Single Crystalline Colloidal Quasi-Two-Dimensional Tin Telluride

Fuente: arXiv
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Autori principali: Li, Fu, Fu, Jiecai, Torche, Abderrezak, Kull, Sascha, Kornowski, Andreas, Lesyuk, Rostyslav, Bester, Gabriel, Klinke, Christian
Natura: Preprint
Pubblicazione: 2020
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author Li, Fu
Fu, Jiecai
Torche, Abderrezak
Kull, Sascha
Kornowski, Andreas
Lesyuk, Rostyslav
Bester, Gabriel
Klinke, Christian
author_facet Li, Fu
Fu, Jiecai
Torche, Abderrezak
Kull, Sascha
Kornowski, Andreas
Lesyuk, Rostyslav
Bester, Gabriel
Klinke, Christian
contents Tin telluride is a narrow gap semiconductor with promising properties for IR optical applications and topological insulators. We report a convenient colloidal synthesis of quasi-two-dimensional SnTe nanocrystals through the hot-injection method in a non-polar solvent. By introducing the halide alkane 1-bromotetradecane as well as oleic acid and trioctylphosphine, the thickness of two dimensional SnTe nanostripes can be tuned down to 30 nm, while the lateral dimensional can reach 6 microns. The obtained SnTe nanostripes are single-crystalline with a rock-salt crystal structure. The absorption spectra demonstrate pronounced absorption features in the IR range revealing the effect of quantum confinement in such structures.
format Preprint
id arxiv_https___arxiv_org_abs_2005_08867
institution arXiv
publishDate 2020
record_format arxiv
spellingShingle Single Crystalline Colloidal Quasi-Two-Dimensional Tin Telluride
Li, Fu
Fu, Jiecai
Torche, Abderrezak
Kull, Sascha
Kornowski, Andreas
Lesyuk, Rostyslav
Bester, Gabriel
Klinke, Christian
Materials Science
Tin telluride is a narrow gap semiconductor with promising properties for IR optical applications and topological insulators. We report a convenient colloidal synthesis of quasi-two-dimensional SnTe nanocrystals through the hot-injection method in a non-polar solvent. By introducing the halide alkane 1-bromotetradecane as well as oleic acid and trioctylphosphine, the thickness of two dimensional SnTe nanostripes can be tuned down to 30 nm, while the lateral dimensional can reach 6 microns. The obtained SnTe nanostripes are single-crystalline with a rock-salt crystal structure. The absorption spectra demonstrate pronounced absorption features in the IR range revealing the effect of quantum confinement in such structures.
title Single Crystalline Colloidal Quasi-Two-Dimensional Tin Telluride
topic Materials Science
url https://arxiv.org/abs/2005.08867