以Na2 CO3和In2O3为原料,采用固相反应法制备出纯相NaInO2纳米颗粒.通过X射线衍射图谱(XRD)、扫描电子显微镜(SEM)、紫外可见漫反射光谱(DRS)等手段对样品进行表征.研究n(Na2CO3)/n(In2O3)比和焙烧温度对产物结构和形貌的影响,并以甲醛溶液为目标降解物,考察NaInO2纳米颗粒的光催化性能.结果表明,在n(Na2CO3)/n(In2O3)=2∶1,750℃焙烧2h条件下获得纯相菱方相的长方体形NaInO2纳米颗粒,晶粒尺寸为33.6nm.经可见光照射6h后,NaInO2纳米颗粒对甲醛的降解率可达48％.
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