首页> 外文期刊>Materials Science and Engineering >Modification of Ag-PVP nanocomposites by gamma irradiation
【24h】

Modification of Ag-PVP nanocomposites by gamma irradiation

机译:γ射线辐照修饰Ag-PVP纳米复合材料

获取原文
获取原文并翻译 | 示例
           

摘要

Ag-PVP (silver-polyvinylpyrrolidone) films were spin-coated on silica substrates from Ag-PVP colloidal solution. Formation of nanoparticles in deposited films was achieved by photoreduction of silver ions due to UV irradiation of prepared samples. Presence of spherical nanoparticles in UV irradiated samples was identified according to the measured absorbance peaks of samples that were observed in the range 410-430 nm and were explained by surface plasmon resonance phenomenon. Produced nanocomposite films were further on modified additionally irradiating them with gamma photons within the dose range (2-50) Gy. Plasmonic and mechanical properties of gamma irradiated nanocomposite films have been investigated by UV-vis spectroscopy and AFM and compared to those obtained after prolonged UV irradiation of films.
机译:将Ag-PVP(银-聚乙烯基吡咯烷酮)薄膜从Ag-PVP胶体溶液旋涂在二氧化硅基底上。由于制备样品的紫外线照射,银离子被光还原,从而在沉积膜中形成纳米颗粒。根据在410-430 nm范围内观察到的样品吸收峰,鉴定出球形纳米颗粒存在于紫外线照射的样品中,并用表面等离子体共振现象解释。进一步修饰生产的纳米复合薄膜,并用(2-50)Gy剂量范围内的伽马光子辐照它们。已通过紫外可见光谱和AFM研究了γ辐照的纳米复合薄膜的等离子和机械性能,并将其与长时间紫外线辐照后获得的等离子和机械性能进行了比较。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱:kefu@zhangqiaokeyan.com

京公网安备:11010802029741号 ICP备案号:京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有
  • 客服微信

  • 服务号