图3 丙酮作溶剂制备的Cu 7 Te 4 纳米粒子a, b SEM照片c, d TEM照片e, f从d图中区域#cod#x02160;、#cod#x02161;获得的HRTEM照片 Fig. 3 a, b FESEM images, c, d TEM images of Cu 7 Te 4 nanoparticles using acetone as organic solvent, and e, f typical HRTEM images taken from circle zone#cod#x02160;and zone#cod#x02161;in Fig. 3d |