黄秀兵等：钯掺杂a-MO,无溶剂下催化氧化苯甲醇的性能 ·233· 500mm 500nm 500nm 500nm 图2扫描电镜照片.(a)a-Mn0,:(b)Pd(1%)-Mn02:(c)Pd(2%)-MnO2:(d)P(3%)-Mn02 Fig.2 SEM images:(a)a-MnO2 (b)Pd(1%)-MnO2 (c)Pd(2%)-Mn02;(d)Pd(3%)-MnO2 50 nm 0.14m 5nm 5nm 图3透射电镜照片.(a,b)a-Mn02;(e,d)PH(3%)-Mn02 Fig.3 TEM images:(a,b)a-MnO2;(c,d)Pd(3%)-MnO2黄秀兵等: 钯掺杂 琢鄄鄄MnO2无溶剂下催化氧化苯甲醇的性能 图 2 扫描电镜照片 郾 (a) 琢鄄鄄MnO2 ;(b) Pd(1% )鄄鄄MnO2 ;(c) Pd(2% )鄄鄄MnO2 ;(d) Pd(3% )鄄鄄MnO2 Fig. 2 SEM images: (a) 琢鄄鄄MnO2 ; (b) Pd(1% )鄄鄄MnO2 ; (c) Pd(2% )鄄鄄MnO2 ; (d) Pd(3% )鄄鄄MnO2 图 3 透射电镜照片 郾 (a, b) 琢鄄鄄MnO2 ; (c, d) Pd(3% )鄄鄄MnO2 Fig. 3 TEM images: (a, b) 琢鄄鄄MnO2 ; (c, d) Pd(3% )鄄鄄MnO2 ·233·