以ZrOCl2·8H2O和(NH4)3PO4·3H2O为原料, 先在室温下研磨反应混合物使其进行固相反应, 然后将其在80 ℃下密封保温96 h, 接着用水洗去混合物中的可溶性无机盐后于80 ℃下烘干, 即得磷酸锆纳米晶产品. 采用TG/DTA, IR, XRD和TEM对产品及其热解产品进行表征. 结果表明, 80 ℃下保温3 h得到结晶良好、空间群为P21/c(14)、平均粒径约为23 nm的Zr(HPO4)2·H2O, 其晶体结构稳定的温度可高达450 ℃. 在900 ℃下煅烧Zr(HPO4)2·H2O则得到结晶良好、空间群为Pa-3(205)、平均粒径约为31 nm的ZrP2O7晶体.
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