Experimental study demonstrates tunable lead sulfide quantum dot synthesis using thioacetamide in tributyl phosphate, highlighting a versatile sulfur precursor for infrared nanomaterials.
This paper presents a new sulfur precursor based on thioacetamide dissolved in tributyl phosphate. The kinetics of nanoparticle growth has been studied. It has been shown that nanoparticles with exciton peak positions ranging from 1.1 to 2 μm can be obtained by varying the reactant concentrations and synthesis temperature. This precursor has been studied using NMR and FTIR spectroscopy. It has been found that no chemical reaction occurs between thioacetamide and tributyl phosphate at room temperature; the dissolution occurs through solvation.
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Dyomkin et al. (2026) studied this question.
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