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Multi-arm PbS architectures were successfully synthesized in high yield by a facile hydrothermal process at 90°C for 48h, employing lead nitrate (Pb(NO 3 ) 2 ) and thioacetamide (TAA) as precursors. A new surfactant: tetrabutyl ammonium bromide (TBAB), was used in this process. The as-prepared PbS products are characterized by X-ray powder diffraction (XRD), field-emission scanning...
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