Abstract
Mixed ligand precursor complex bis(N-di-isopropyl-N-octyl dithiocarbamato)tin(II) complex was synthesized from its respective dithiocarbamate ligands, characterized and thermalized through thermogravimetric analysis to yield tin sulfide (SnS) nanocrystals. The thermal decomposition pattern was recorded as a function of the required temperature for the formation of the SnS nanocrystals at 360 °C. The SnS nanocrystals were characterized using optical, vibrational, structural and morphological analyses instruments. The obtained orthorhombic phase SnS nanocrystals showed indirect and direct optical energy band gaps close to the 1.5 eV of the bulk SnS.
Highlights
Technological important semiconductor materials such as tin sulfide (SnS) nanocrystals have become the scientist’s hotspot due to their excellent properties of direct band gap of 1.30–1.43 eV and orthorhombic structure
Stage 2 around 210 °C is predicted to be the decomposition of OctylDTC moiety, which has high boiling or melting point compared to the Di-IsoprDTC
Nanosheets of high-quality SnS monodispersed nanocrystals have been synthesized from thermal decomposition of precursor complex using ThermoGravimetric Analyser (TGA)
Summary
Technological important semiconductor materials such as tin sulfide (SnS) nanocrystals have become the scientist’s hotspot due to their excellent properties of direct band gap of 1.30–1.43 eV and orthorhombic structure. To the best of our knowledge, there are no reports on the thermal decomposition of mixed ligands complex of tin(II) dithiocarbamate as a single-source molecular precursor to the formation of SnS nanoparticles. In this contribution, mixed ligand precursor complex bis(N-di-isopropyl-N-octyl dithiocarbamato)tin(II) complex was synthesized, characterized and thermalized through thermogravimetric analysis to yield SnS nanocrystals
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