Optical and structural-chemistry of SnS nanocrystals prepared by thermal decomposition of bis(N-di-isopropyl-N-octyl dithiocarbamato)tin(II) complex for promising materials in solar cell applications

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.

Electrochemical Fingerprint of CuS-Hexagonal Chemistry from (Bis(N-1,4-Phenyl-N-(4-Morpholinedithiocarbamato) Copper(II) Complexes) as Photon Absorber in Quantum-Dot/Dye-Sensitised Solar Cells

“…Synthesis of CuS nanocrystals was obtained through the high-temperature thermal decomposition of (bis(N-1,4-phenyl-N-(4-morpholinedithiocarbamato)copper(II)) complexes according to [66] using a Perkin Elmer 4000 ThermoGravimetric Analyser. Approximately 25 mg of the complex was loaded into an alumina pan, and weight changes were recorded as a function of temperature for a 10 • C min −1 temperature gradient between 30 and 900 • C. A purge gas of flowing nitrogen at a rate of 20 mL min −1 was used.…”

Electrochemical Performance of Photovoltaic Cells Using HDA Capped-SnS Nanocrystal from bis (N-1,4-Phenyl-N-Morpho-Dithiocarbamato) Sn(II) Complexes

“…In addition, there is no change in the preferential orientation along (201), (210), (111), (301), (311), (511), (610), and (512) for both samples, which confirms successful fabrication of SnS and SnS/HDA into the lattice of TiO2 [29]. The preferential orientation of SnS/HDA is linked to the nucleation control of the growth process due to excess HDA used during the synthesis [30]. The presence of lower intensities and minor phases are usually linked to defect chemistry, thermodynamics of solid, and thermal gradient.…”

Interfacial Engineering of CuCo2S4/g-C3N4 Hybrid Nanorods for Efficient Oxygen Evolution Reaction

“…In ATR-FTIR spectra of as-synthesized PDTC (Figure a), the peaks appearing at 2932 and 2867 cm –1 are due to pyrrolidine–CH 2 stretching vibrations in an asymmetric and symmetric manner . The C–N stretching vibration bands of the NCS were observed at 1465 and 1328 cm –1 . − Peaks at 978 cm –1 can be correlated with CS of the −CSS – group, ,− whereas the C–S vibration band was found to be centered at 887 cm –1 . Further, the characteristic peaks at 549 and 483 cm –1 due to the stretching vibration of the Cu–S bond strongly support the formation of the Cu­[PDTC] 2 complex (Figure c).…”

“…Further, the characteristic peaks at 549 and 483 cm −1 due to the stretching vibration of the Cu−S bond strongly support the formation of the Cu[PDTC] 2 complex (Figure 1c). From the literature survey, it has been found that the stretching vibration frequency of the metal sulfur (M−S) bond (such as Zn−S, 73 Co−S, 78 Sn−S, 77 etc.) appears between 475 and 580 cm −1 .…”