Article Dans Une Revue MRS Communications Année : 2025

Optimization of bismuth telluride nanoparticles synthesized via spark ablation

Résumé

This study explores the synthesis of Bismuth Telluride nanoparticles on silicon wafers via spark ablation using metal targets, avoiding toxic or costly precursors. Conducted at room temperature with a direct current arc and an inert gas atmosphere, the process prevents oxidation. The influence of voltage (0.5 kV, 1.0 kV, 1.5 kV), current (3 mA, 6 mA, 10 mA), and gas flow on particle size and distribution was investigated. Optimal conditions were achieved at a gas flow rate of $$2.5\,\hbox {L min}^{-1}$$ 2.5 L min - 1 , yielding particles sized 10 to 25 nm with a mean diameter of $$17 \pm 3$$ 17 ± 3 nm, demonstrating tunable synthesis suitable for targeted applications.

Dates et versions

hal-05092028 , version 1 (02-06-2025)

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Citer

Eliane Bsaibess, Joumana El-Rifai, Meriem Chettab, Mustapha Zaghrioui, Stavros Christopoulos, et al.. Optimization of bismuth telluride nanoparticles synthesized via spark ablation. MRS Communications, 2025, ⟨10.1557/s43579-025-00742-9⟩. ⟨hal-05092028⟩
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