以甲苯为碳源,二茂铁为催化剂前躯体,噻吩为生长促进剂,在不同条件下通过甲苯催化热解反应得到不同的炭产物.借助TEM和XRD考察了催化剂和促进剂对热解产物形貌和结构的影响.研究发现,不使用任何催化剂和促进剂时,甲苯热解产物为纳米级球状炭颗粒,且部分颗粒之间会发生各向异性排列,形成链状物.单独使用二茂铁时,产物为球状炭包裹铁纳米颗粒.而二茂铁和噻吩同时使用时,产物的形貌随噻吩浓度的不同而变化.结果表明,铁和硫的协同作用对甲苯热解的反应过程和产物形貌影响很大.
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