纳米材料的制备、表征及其应用.ppt

纳米材料的制备、表征及其应用蒋士猛 2011 年11月 Evaluation only. Evaluation only. Created with Client Profile . Created with Client Profile . Copyright 2004-2011 Aspose Pty Ltd. Copyright 2004-2011 Aspose Pty Ltd. 汇报提纲一、纳米材料的简介二、纳米材料的制备三、纳米材料的表征四、纳米材料的应用五、结束语 Evaluation only. Evaluation only. Created with Client Profile . Created with Client Profile . Copyright 2004-2011 Aspose Pty Ltd. Copyright 2004-2011 Aspose Pty Ltd. 人高 20亿纳米 100 万纳米针头红血球分子及 DNA 1千纳米 1 纳米 纳米氢原子 Earth x 10 7 m? In Greek, “ nano ” means dwarf ?纳米是一个长度计量单位, 1纳米 = 10 -9米。什么是纳米什么是纳米(nanometer) (nanometer) ? ? Evaluation only. Evaluation only. Created with Client Profile . Created with Client Profile . Copyright 2004-2011 Aspose Pty Ltd. Copyright 2004-2011 Aspose Pty Ltd. 原子分子原子团簇纳米粒子纳米材料宏观物体微观宏观 Evaluation only. Evaluation only. Created with Client Profile . Created with Client Profile . Copyright 2004-2011 Aspose Pty Ltd. Copyright 2004-2011 Aspose Pty Ltd. 什么是纳米材料?纳米材料是指在三维空间中至少有一维处于纳米尺度范围(1-100nm) 或由它们作为基本单元构成的材料,这大约相当于10-100 个原子紧密排列在一起的尺度。 Evaluation only. Evaluation only. Created with Client Profile . Created with Client Profile . Copyright 2004-2011 Aspose Pty Ltd. Copyright 2004-2011 Aspose Pty Ltd. 纳米粉末纳米纤维(管) 纳米膜纳米块纳米材料的分类按结构零维一维二维三维 Evaluation only. Evaluation only. Created with Client Profile . Created with Client Profile . Copyright 2004-2011 Aspose Pty Ltd. Copyright 2004-2011 Aspose Pty Ltd. 纳米粉末: 又称为超微粉或超细粉,一般指粒度在 100 纳米以下的粉末或颗粒, 是一种介于原子、分子与宏观物体之间处于中间物态的固体颗粒材料。纳米铁粉纳米铜粉纳米铝粉 Evaluation only. Evaluation only. Created with Client Profile . Created with