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首页> 外文会议>Proceedings of the second international conference on advanced textile materials amp; manufacturing technology. >Preparation of Bacterial Cellulose Nanofiber with Silver Nanoparticles by In Situ Method
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Preparation of Bacterial Cellulose Nanofiber with Silver Nanoparticles by In Situ Method

机译：银纳米粒子原位制备细菌纤维素纳米纤维

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摘要

Bacterial cellulose nanofibers with silver nanoparticles were prepared using silver nitrate and sodium borohydride aqueous solution by in situ method. The prepared nanocomposites were characterized by scanning electron microscopy (SEM),X-ray diffraction (XRD),and thermogravimetric analysis (TGA) test. The morphology of these nanocomposites indicated that the silver nanoparticles have been formed and distributed uniformly on the surface of the BC nanofibers. It was also found that the incorporation of silver nanopartilces onto BC nanofibers affected the crystal structure of BC nanofibers. Meanwhile,the thermal degradation temperature has been increased from approximately 260℃ to 340℃ for nanocomposites. The average size of silver nanoparticles is around 15 nm,which is bigger than previous report. This may be due to the aggregation of small nanoparticles,especially at high AgNO3 concentration.
机译：采用硝酸银和硼氢化钠水溶液通过原位法制备了具有银纳米颗粒的细菌纤维素纳米纤维。通过扫描电子显微镜（SEM），X射线衍射（XRD）和热重分析（TGA）测试对制备的纳米复合材料进行了表征。这些纳米复合材料的形态表明，银纳米颗粒已经形成并均匀分布在BC纳米纤维的表面上。还发现银纳米颗粒掺入到BC纳米纤维上会影响BC纳米纤维的晶体结构。同时，纳米复合材料的热降解温度已从约260℃提高到340℃。银纳米颗粒的平均尺寸为15 nm左右，这比以前的报告要大。这可能是由于小的纳米颗粒的聚集，特别是在高AgNO3浓度下。

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