An Experimental Analysis to Assess Photo-Acoustic Techniques for Silver Nano-Particles; Considering Physical Properties

Journal of Materials Science Research Pub Date : 2018-12-31 DOI:10.5539/jmsr.v8n1p17

Fahd M. Aldosari, Abdallah Mohammed Azzeer, A. Hassib

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Abstract

Aim: To assess the photo-acoustic techniques for the calculation of size, distribution, shape and phase of silver nanoparticles. Methodology: The silver nanoparticles were synthesized by sodium borohydride (NaBH4) and silver nitrate (AgNO3). Nine samples were prepared with varying concentrations and the changes in their properties were studied. Results: The shape of the silver nanoparticles was found to be spherical in shape. The average size of the silver nanoparticles was calculated to be 4-27nm. The results suggested that the particle size was decreasing with increase in the concentration of the silver nanoparticles. The strongest peak was obtained at 392nm which corresponds to the concentration C1. The absorption peak was found to be shifting towards the longer waves with the decrease in concentration. The XRD analysis revealed that the silver nanoparticles corresponding to all concentrations possessed crystal cubic structure. Conclusion: The silver nanoparticles were being extensively used in various applications due to their unique physical properties.

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银纳米粒子光声检测技术的实验研究考虑物理性质

目的:评价光声技术在银纳米颗粒尺寸、分布、形状和物相计算中的应用。方法:以硼氢化钠(NaBH4)和硝酸银(AgNO3)为原料合成纳米银。制备了9种不同浓度的样品，研究了它们的性能变化。结果:银纳米颗粒呈球形。计算出银纳米颗粒的平均尺寸为4-27nm。结果表明，随着纳米银浓度的增加，纳米银的粒径逐渐减小。在392nm处出现最强峰，对应浓度为C1。随着浓度的降低，吸收峰向较长波偏移。XRD分析表明，不同浓度的纳米银均具有晶体立方结构。结论:纳米银以其独特的物理性质在各种领域得到了广泛的应用。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Journal of Materials Science Research

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