Etching and Dimerization: A Simple and Versatile Route to Dimers of Silver Nanospheres with a Range of Sizes

Name: Work Video:
Duration: 3 min 30 s
Description: Two by two, hurrah! Hurrah! Dimers of Ag nanospheres with a range of sizes were generated by etching Ag nanocubes with Fe(NO3)3 in ethanol in the presence of poly(vinyl pyrrolidone) (PVP). These well-defined dimers (see TEM image) enable systematic study of the hot-spot phenomenon in surface-enhanced Raman scattering (SERS).
Weiyang Li; Pedro H. C. Camargo; Leslie Au; Qiang Zhang; Matthew Rycenga; Younan Xia
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