Formation of Group 11 Bismuth Sulfide Nanoparticles Using Bismuth Dithioates under Mild Conditions
作者： Dimuthu C Senevirathna , Melissa V Werrett , Narendra Pai , Victoria L Blair , Leone Spiccia
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摘要: The formation of mixed metal sulfides AgBiS2 and Cu3BiS2 via a simple two-step process utilizing bismuth dithioates as single source Bi S precursors is described. Sono-chemical reaction Bi2O3 with six different aryldithioc acids (benzodithioic, BDT-H; 4-methoxybenzodithioic, 4-MBDT-H; 3-methylbenzodithioic, 3-MBDT-H; 2-mesitylenedithioic, 2-MDT-H; 4-fluorobenzodithioic, 4-FBDT-H; 2-thiophenedithioic, 2-TDT-H) resulted in the following complexes; [Bi(BDT)3] 1, [Bi(4-MBDT)3] 2, [{Bi(3-MBDT)3}2·C7H8] (32·C7H8), [Bi(2-MDT)3] 4, [Bi(4-FBDT)3] 5 [Bi(2-TDT)3] 6. Microwave irradiation these bismuth(III)aryldithioate complexes AgNO3 or CuCl under mild conditions (140 °C) respective sulfides. Attempt to synthesize AuBiS2 using similar protocols were unsuccessful resulting only elemental Au(0), S8 BiOCl.
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