在乙二胺四乙酸二钠(EDTA)存在的条件下,用微波加热法快速合成了大量纺锤形氢氧化钇.考察了微波加热时间对合成的影响.结果表明,微波加热15min可制备形状貌均一且结晶良好的纺锤形氢氧化钇,其颗粒长度为2.5～4.0μm,宽度为400～900nm.将纺锤形氢氧化钇在500℃煅烧4h后可得纺锤形氧化钇,同时用相似方法还成功制备出纺锤形Y2O3:Eu3+,对其光学性能进行了研究,发现当激发波长为465nm时,最强发射峰在613nm.用XRD、SEM对合成的产物进行了表征,并对纺锤形氢氧化钇形成的机理进行了简单探讨.
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