超声化学共沉淀法合成纳米ITO粉体及其电磁特性研究Preparation and electromagnetic properties of indium tin oxide nanopowder by ultrasonic co-precipitation method
葛超群;汪刘应;刘顾;张虎;
摘要(Abstract):
采用超声辅助化学共沉淀法以InCl3.4H2O和SnCl4.5H2O为起始原料制备纳米氧化铟锡(ITO)粉体,通过XRD,SEM,TEM及电磁参数的测试,研究煅烧处理温度对ITO粉体组织结构、微观形貌及电磁性能的影响。结果表明:随着热处理温度的提高,ITO粉体的结晶度提高,晶粒长大;当温度为700℃制备的ITO具有最佳的吸波性能,厚为2.5 mm反射率峰值为-9.82 dB,小于-5 dB频带宽为6.79 GHz(11.20~18.00 GHz)。
关键词(KeyWords): 共沉淀法;ITO;介电常数;模拟反射率
基金项目(Foundation): 国家自然科学基金项目(50845039,51102278);; 新世纪优秀人才支持计划(NCET-110868)
作者(Author): 葛超群;汪刘应;刘顾;张虎;
Email:
DOI: 10.14024/j.cnki.1004-244x.2013.01.016
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