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129th General Meeting of Korean Chemical Society & Exposition Synthesis of Novel Tin(II) Sulfide Complexes Containing β-Diketonate Ligand

Submission Date :
2 / 28 / 2022 , 16 : 51 : 06
Abstract Number :
129022828778
Presenting Type:
Poster Presentation
Presenting Area :
Inorganic Chemistry
Authors :
Heenang Choi, Taek-Mo Chung1,*
Thin Film Materials Research Group, Korea Research Institute of Chemical Technology, Korea
1Advanced Materials Division, Korea Research Institute of Chemical Technology, Korea
Assigned Code :
INOR.P-299 Assigend Code Guideline
Presenting Time :
April 15 (FRI) 11:00~13:00
Tin monosulfide (SnS) materials, which are a direct band gap semiconductor, have applications in various areas such as photovoltaic solar cells, optoelectronic devices, and polymerization reactions. Especially, SnS having a high absorption coefficient (>104 cm-1) and almost ideal direct band gap of ca. 1.3 eV has recently attracted considerable attention for its ability as a solar absorbent. However, the effectiveness of SnS-based photovoltaic absorber candidates is still low. Therefore, we have focused on the synthesis of new tin sulfide complexes aimed at increasing the thin film deposition efficiency by enhancing the interaction ability between the Sn central metal and the S derivative. A series of novel tin(II) precursors have been successfully synthesized using the β-diketonate and thioketone derivative ligands. These complexes were stabilized by bonding effect with each ligand. It was thought that the tin metal forms strong bonding by monoanionic O,O-chelates with β-diketonates, and S,O-chelates with thioketone ligand. All the synthesized complexes were fully characterized by NMR and FT-IR spectroscopy along with elemental analysis and thermogravimetric (TG) analysis. Newly synthesized Sn complexes have potential properties for single source precursors to prepare metal sulfide materials.