低温(280℃)条件下,通过二甲苯中AlCl3和NaN3的反应制备出了AlN纳米微粒.700℃退火48h后,得到了纯的立方相AlN纳米晶.通过XRD、FTIR和定域电子衍射分析,验证了立方相AlN纳米晶的生成.经XRD和TEM分析,纳米晶的平均粒度约为3nm.色质联(GC-MS)检测结果显示,由于AlN纳米颗粒对二甲苯的催化作用,使二甲苯发生聚合和杂化环反应,得到了二联苯、萘、蒽、三甲基咔唑及咔唑胺等多环芳烃.作为对比实验,分别研究了NaN3和AlCl3对二甲苯的催化性能,发现没有多环芳烃的生成.
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