Table 1.

Summary of properties, synthesis, characterization, and applications of AuNRs

Synthesis	Characterization	Limitation	Application
Wet chemical synthesis [100–102], template method [103–105]	SEM, TEM	Limited yield due to the CTAB bilayer	Sensing, photothermal therapy, imaging
Electrochemical route [106–108]	TEM	N/A	Sensing, photothermal therapy, imaging
Seed-mediated method [109–111]	TEM, ETEM	N/A	Sensing, photothermal therapy, imaging