运用水热法通过调节pH值制备了LaVO4∶Eu3+纳米晶体,采用XRD,SEM,TEM,PL对产物进行了表征,研究了单一因素pH对产物物相、形貌以及发光性能的影响.XRD结果表明,pH为8时可以得到纯的四方相LaVO4∶Eu3+晶体;SEM与TEM结果表明,生成的产物形貌有片状、六方棒状、针状和蠕虫状;PL结果表明具有片状、针状单斜相和六方棒状四方相的LaVO4∶Eu3晶体具有最好的发光性能.
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