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纳米Ag粒子与SiO2复合薄膜的热稳定性
陈丽华; 徐刚; 苗蕾; 黄春明; 徐雪青
2011
Source Publication材料热处理学报
ISSN1009-6264
Volume032Issue:006Pages:6
Abstract采用溶胶-凝胶法利用水解反应制备了纳米Ag粒子与SiO2复合的nano-Ag∶SiO2薄膜,通过对Ag纳米粒子局域表面等离子体共振(SPR)吸收光谱的观测,探讨了薄膜的热稳定性。利用TG-DSC、XRD、TEM、SEM和EDS等对nano-Ag∶SiO2的物性进行了研究。结果表明:nano-Ag∶SiO2薄膜在不同温度(200~900℃)下热处理,随着热处理温度的升高,薄膜中Ag纳米粒子的SPR特征吸收峰从无到有并逐渐增强,500℃、600℃峰值强度最强,然后逐渐减弱至消失;薄膜500℃热处理的热稳定性良好,复合纳米材料中SiO2为非晶态;当热处理温度升至700℃时,随退火时间的增加出现Ag纳米粒子扩散挥发的现象,并且SiO2由非晶态逐渐转变为晶态。
Language英语
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/19381
Collection中国科学院广州能源研究所
Affiliation中国科学院广州能源研究所
First Author AffilicationGuangZhou Institute of Energy Conversion,Chinese Academy of Sciences
Recommended Citation
GB/T 7714
陈丽华,徐刚,苗蕾,等. 纳米Ag粒子与SiO2复合薄膜的热稳定性[J]. 材料热处理学报,2011,032(006):6.
APA 陈丽华,徐刚,苗蕾,黄春明,&徐雪青.(2011).纳米Ag粒子与SiO2复合薄膜的热稳定性.材料热处理学报,032(006),6.
MLA 陈丽华,et al."纳米Ag粒子与SiO2复合薄膜的热稳定性".材料热处理学报 032.006(2011):6.
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