Glass-Sealed Metal Nanotips

A metal nanotip is usually insulated by glass to take advantage of its mechanical robustness and chemical inermess in comparison to polymer materials, which were 

FIGURE 1.19 SEM images of the Pt tips sealed in borosilicate glass and milled by FIB. Tip diameters are (a) 940 and (b) 110 nm. Scale bars are 1 pm. (Reprinted with permission from Nioradze, N. et al., Origins of nanoscale damage to glass-sealed platinum electrodes with submicrometer and nanometer size. Anal. Chem., Vol. 85, 2013 pp. 6198-6202. Copyright 2013, American Chemical Society.) 

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