Open AccessSolution phase growth and analysis of super-thin zigzag tin selenide nanoribbons
Author(s) -
Fionán Davitt,
Kamil Rahme,
Sreyan Raha,
Shane Garvey,
Manuel Gutierrez,
Achintya Singha,
Shery L. Y. Chang,
Subhajit Biswas,
Justin D. Holmes
Publication year - 2022
Publication title -
nanotechnology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.926
H-Index - 203
eISSN - 1361-6528
pISSN - 0957-4484
DOI - 10.1088/1361-6528/ac4354
Subject(s) - materials science , zigzag , raman spectroscopy , thermoelectric effect , nanotechnology , tin , graphene nanoribbons , selenide , phase (matter) , optoelectronics , chemical engineering , optics , geometry , mathematics , graphene , selenium , organic chemistry , engineering , metallurgy , chemistry , physics , thermodynamics
Tin selenide (SnSe), a highly promising layered material, has been garnering particular interest in recent times due to its significant promise for future energy devices. Herein we report a simple solution-phase approach for growing highly crystalline layered SnSe nanoribbons. Polyvinylpyrrolidone (PVP) was used as a templating agent to selectively passivates the (100) and (001) facets of the SnSe nanoribbons resulting in the unique growth of nanoribbons along their b -axis with a defined zigzag edge state along the sidewalls. The SnSe nanoribbons are few layers thick (∼20 layers), with mean widths of ∼40 nm, and achievable length of >1 μ m. Nanoribbons could be produced in relatively high quantities (>150 mg) in a single batch experiment. The PVP coating also offers some resistance to oxidation, with the removal of the PVP seen to lead to the formation of a SnSe/SnO x core-shell structure. The use of non-toxic PVP to replace toxic amines that are typically employed for other 1D forms of SnSe is a significant advantage for sustainable and environmentally friendly applications. Heat transport properties of the SnSe nanoribbons, derived from power-dependent Raman spectroscopy, demonstrate the potential of SnSe nanoribbons as thermoelectric material.