High Temperature Growth and Structural Characterization of ReSe2 Nanotubes
- 1Department of Chemistry, Faculty of Science, Masaryk University, Kamenice 5, Brno, 62500
- 2Department of Chemical Research Support, Weizmann Institute of Science, Herzl 234 St, Rehovot, Israel, 7610001
- 3Thermo Fisher Scientific, Vlastimila Pecha 12, Brno, Czech Republic, 62700
Abstract
We report the synthesis and structural characterization of free-standing, highly crystalline ReSe2 nanotubes, the first phase-pure quasi-1D nanostructure to combine a triclinic lattice with wellaligned walls parallel to the tubular axis. The nanotubes were obtained template-free by direct selenidation of ReO3 powder, and characterized by high-resolution imaging, electron di raction, and low-loss electron energy-loss spectroscopy. The 4D-STEM dataset decoded the complex di raction patterns of the triclinic lattice and enabled direct evaluation of the (multi)chirality of individual layers, yielding a workflow transferable to low-symmetry nanotubes. Spectroscopy revealed band edges consistent with bulk ReSe2 and with additional geometry-related subgap features. This preliminary report can open various research avenues e.g., a geometric route to the bulk photovoltaic e ect, or strain-modified optoelectronic properties. Ultrathin nanotubes are expected to enhance symmetry breaking due to curvature strain, resulting in unique band edge properties, while large-diameter nanotubes can support cavity modes, including whispering-gallerytype cavity modes and exciton-polariton phenomena. Additionally, the anisotropic lattice may enable polarization-selective infrared photodetection.
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BibTeX
@misc{kusak2026high,
title = {{High Temperature Growth and Structural Characterization of ReSe2 Nanotubes}},
author = {Stepan Kusak and Lothar Houben and Jakub Zalesak and Vojtech Kundrat},
howpublished = {ChemRxiv},
year = {2026},
month = sep,
doi = {10.26434/chemrxiv.15008462/v1},
url = {https://chemrxiv.org/doi/full/10.26434/chemrxiv.15008462/v1},
note = {CC BY},
}
RIS
TY - UNPB
TI - High Temperature Growth and Structural Characterization of ReSe2 Nanotubes
AU - Stepan Kusak
AU - Lothar Houben
AU - Jakub Zalesak
AU - Vojtech Kundrat
PY - 2026
DA - 2026/09/07
PB - ChemRxiv
DO - 10.26434/chemrxiv.15008462/v1
UR - https://chemrxiv.org/doi/full/10.26434/chemrxiv.15008462/v1
AB - We report the synthesis and structural characterization of free-standing, highly crystalline ReSe2 nanotubes, the first phase-pure quasi-1D nanostructure to combine a triclinic lattice with wellaligned walls parallel to the tubular axis. The nanotubes were obtained template-free by direct selenidation of ReO3 powder, and characterized by high-resolution imaging, electron di raction, and low-loss electron energy-loss spectroscopy. The 4D-STEM dataset decoded the complex di raction patterns of the triclinic lattice and enabled direct evaluation of the (multi)chirality of individual layers, yielding a workflow transferable to low-symmetry nanotubes. Spectroscopy revealed band edges consistent with bulk ReSe2 and with additional geometry-related subgap features. This preliminary report can open various research avenues e.g., a geometric route to the bulk photovoltaic e ect, or strain-modified optoelectronic properties. Ultrathin nanotubes are expected to enhance symmetry breaking due to curvature strain, resulting in unique band edge properties, while large-diameter nanotubes can support cavity modes, including whispering-gallerytype cavity modes and exciton-polariton phenomena. Additionally, the anisotropic lattice may enable polarization-selective infrared photodetection.
ER -