离子反应的强量子约束硫化铅量子点及其性质

ES Materials & Manufacturing Pub Date : 2019-03-03 DOI:10.30919/ESMM5F205

Vikram P. Bhalekar, H. Pathan

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引用次数: 4

摘要

以硝酸铅和硫化钠为前驱体，在水溶液中采用离子反应的方法合成了硫化铅量子点。利用光学吸收光谱、透射电子显微镜和循环伏安法分别对制备的纳米晶体的光学、结构和电化学性能进行了表征。PbS量子点的平均尺寸为6纳米。循环伏安法和吸收光谱法观察到强尺寸量子化。

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Strong Quantum Confined Lead Sulphide Quantum Dots using Ionic Reaction and Their Properties

Lead sulﬁde quantum dots have been synthesized from a cost- effective and facile chemical method namely ionic reaction using lead nitrate and sodium sulphide as precursors in aqueous solutions. The as prepared nanocrystals are characterized for their optical, structural and electrochemical properties using optical absorption spectroscopy, transmission electron microscopy and cyclic voltammetry respectively. The PbS quantum dots have an average size of 6 nm. The strong size quantization is observed from cyclic voltammetry and absorption spectroscopy.

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ES Materials & Manufacturing

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