176-56-7Relevant academic research and scientific papers
The structures of 2,2-dialkyl-1,3,2-dithiastannolanes
Davies, Alwyn G.,Slater, Sean D.,Povey, David C.,Smith, Gallienus W.
, p. 283 - 294 (1988)
The structure of 2,2-dibutyl-1,3,2-dithiastannolane in the solid state has been determined by single crystal X-ray diffraction.Individual molecules interact weakly with two neighbouring molecules to form two long (3.688 Angstroem) Sn-S coordinate bonds.The tin atoms can therefore be regarded as being weakly 6-coordinate.In contrast, in the crystal, 2,2-dimethyl-1,3,2-dithiastannolane forms one short coordinate bond (3.18 Angstroem) to a neighbouring molecule, and the tin can be regarded as being strongly 5-coordinate.The (13)C and (117/119)Sn NMR spectra of the dimethyl-, diethyl-, diisopropyl-, and dibutyl-stannolanes, and of spirobis(ethane-l,2-dithiolato)tin have been recorded in solution and the solid state, and correlated with the evidence from X-ray crystallography.It is argued that the diethyl- and diisopropyl-stannolanes have structures similar to that of the dibutyl derivative.
Dissolution of Sn, SnO, and SnS in a Thiol-Amine Solvent Mixture: Insights into the Identity of the Molecular Solutes for Solution-Processed SnS
Buckley, Jannise J.,McCarthy, Carrie L.,Del Pilar-Albaladejo, Joselyn,Rasul, Golam,Brutchey, Richard L.
, p. 3175 - 3180 (2016)
Binary solvent mixtures of alkanethiols and 1,2-ethylenediamine have the ability to readily dissolve metals, metal chalcogenides, and metal oxides under ambient conditions to enable the facile solution processing of semiconductor inks; however, there is little information regarding the chemical identity of the resulting solutes. Herein, we examine the molecular solute formed after dissolution of Sn, SnO, and SnS in a binary solvent mixture comprised of 1,2-ethanedithiol (EDT) and 1,2-ethylenediamine (en). Using a combination of solution 119Sn NMR and Raman spectroscopies, bis(1,2-ethanedithiolate)tin(II) was identified as the likely molecular solute present after the dissolution of Sn, SnO, and SnS in EDT-en, despite the different bulk material compositions and oxidation states (Sn0 and Sn2+). All three semiconductor inks can be converted to phase-pure, orthorhombic SnS after a mild annealing step (～350 °C). This highlights the ability of the EDT-en solvent mixture to dissolve and convert a variety of low-cost precursors to SnS semiconductor material.
