DataVXAdvanced Materials InterfacesPaper
journal article·2023-01Open access

Synthesis of the Elusive Doublewall Nanotubes and Nanocones(Horns) of MoS2 via Focused Solar Ablation

Timothée Barbe, Rita Rosentsveig, Olga Brontvein, M.B. Sreedhara, Kai Zheng, Françoise Bataille, Alexis Vossier, Gilles Flamant, Ivano E. Castelli, Jeffrey M. Gordon, Reshef Tenne

Advanced Materials Interfaces· Volume 10· Issue 3
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Source abstract

Abstract

Abstract The synthesis of fundamentally small MoS2 nanotubes and nanocones(horns) that have proven elusive in prior studies has been achieved via ablation of a precursor mixture of crystallites of MoS2 + MoO3 by highly concentrated solar radiation. The special far‐from‐equilibrium conditions achieved in the solar furnace prove conducive to the generation of these singular nanostructures. Extensive electron microscopy and characterization results (transmission electron microscopy (TEM), electron diffraction (ED), X‐ray diffraction (XRD), scanning TEM (STEM), and high angle annular dark field (HAADF)) reveal a range of nanoparticle shapes and sizes based on which reaction mechanisms are proposed. Molecular dynamics simulations indicate that the sizable thermal fluctuations intrinsically produced in the high‐temperature solar reactor soften the MoS2 nanostructures, yielding corrugated layers that favor nanostructures with only a few layers, in agreement with the experimental observations.
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Research context

Nanomaterials

OpenAlex topics: 2D Materials and Applications · MXene and MAX Phase Materials · Electrocatalysts for Energy Conversion

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

PROMES‐CNRS Processes Materials and Solar Energy Laboratory 7 rue du Four solaire Font Romeu‐Odeillo 66120 France

Engineering Science Department Université de Perpignan Via Domitia (UPVD) 52 Avenue Paul Alduy Perpignan 66100 France

Department of Molecular Chemistry and Materials Science Weizmann Institute of Science Rehovot 7610001 Israel

Department of Chemical Research Support Weizmann Institute of Science Rehovot 7610001 Israel

Department of Energy Conversion and Storage Technical University of Denmark Kgs. Lyngby DK‐2800 Denmark

Department of Solar Energy and Environmental Physics Jacob Blaustein Institutes for Desert Research Ben‐Gurion University of the Negev Sede Boqer Campus 8499000 Israel

Funding

Israel Science Foundation

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