Figure 2.

TEM images of the MSNFs samples:aMSNFs-1;b,cMSNFs-2;dMSNFs-3;eMSNFs-4;f,gMSNFs-5;hMSNFs-6; andiMSNFs-7

Gong et al. Nanoscale Research Letters 2009 4:1257-1262   doi:10.1007/s11671-009-9389-4