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采用化学气相沉积法,以二甲苯为碳源,二茂铁为催化剂,在球面半径分别为0.5 mm、1 mm、1.5 mm的石英基底上制备锥向阵列碳纳米管薄膜,利用扫描电子显微镜(SEM)、透射电镜(TEM)、拉曼光谱仪(Raman)等对样品进行了表征.结果表明,随着曲率半径的增加,锥向阵列碳纳米管的定向性变差;曲率半径为0.5 mm的球面上制备的阵列碳纳米管更具有锥形,定向性良好,管身平直,纯度高.

参考文献

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