期刊
MATERIALS RESEARCH BULLETIN
卷 45, 期 10, 页码 1501-1505出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.materresbull.2010.06.025
关键词
Composites; Optical materials; Optical properties
资金
- National Natural Science Foundation of China [60978058, 60908032, 60972064]
- National Natural Science Foundation of Zhejiang Province [Y1090996]
- Program for Innovative Research Team in Ningbo city [2009B21007]
- Scientific Research Foundation of Graduate School of Ningbo University
- Ningbo University
Bi2O3-B2O3-SiO2 ternary glasses embedded with Ag nanoparticles were prepared by introducing AgCl into the bismuthate glasses using conventional melt quenching method and characterized by several experimental techniques. Scanning electron microscopic studies indicated the formation of Ag contained nanoclusters which crack and become regular with increase of AgCl content in these composites. Optical absorption spectra of the nanocomposites showed the presence of absorption band of surface plasmon resonance (SPR) due to Ag nanoparticles at similar to 600 nm. Z-scan measurement with femtosecond laser was used to investigate third-order optical nonlinearities of the nanocomposites. The results show that the nonlinear refraction gamma was dramatically increased up to 30 times by the appearance of Ag nanoparticles when excited within its SPR region, while nonlinear absorption due to two-photon absorption exhibited opposite tendency or even saturated behavior. The calculation of figure of merit suggests that the Ag particle embedded Bi2O3-B2O3-SiO2 glass composites are promising candidates for optoelectronic devices. (C) 2010 Elsevier Ltd. All rights reserved.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据