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微波法制備納米TiO2粉末
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TF123.72 TB383

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TiO_2 Nano Powders Prepared by Means of Microwave Radiation
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    摘要:

    以海綿鈦為原料，源溶液經(jīng)微波輻射，生成水合二氧化鈦溶膠，加入少量無(wú)水乙醇，在１００℃以下，常壓烘干，制備出納米ＴｉＯ２粉末。ＸＲＤ分析納米ＴｉＯ２粉末的晶體結(jié)構(gòu)為銳鈦礦型；ＴＥＭ顯示，納米顆粒的形貌為球形，粒徑在６０ｎｍ～１００ｎｍ之間，粒度分布均勻；試樣在水中分散的Ｚｅｔａ電位值為＋４８．７ｍＶ，分散性好。此種方法，原料成本低，工藝簡(jiǎn)單易行，粒度容易控制。

    Abstract:

    TiO 2 nano powders were prepared by means of microwave radiation using the collosol of titanium dioxide hydrate made from sponge titanium. TEM analysis indicates that the morphology of the nano particles is spherical, and the particle size is in the range of 60 nm~100 nm. The distribution of the particle size is fine. The Zeta potential value of the sample in water is +48 7 mV, indicaling good dispersivity. The transformation temperature of the nano crystal is much lower than that of the common crystal. The starting material is cheaper, and using this method nano particle size is easily controlled in production.

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楊升紅 張小明.微波法制備納米TiO2粉末[J].稀有金屬材料與工程,2000,(5):354~356.[Yang Shenghong, Zhang Xiaoming, Zhang Tingjie, Wang Keguang, Zhu Yubin. TiO_2 Nano Powders Prepared by Means of Microwave Radiation[J]. Rare Metal Materials and Engineering,2000,(5):354~356.]
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