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. Author manuscript; available in PMC: 2016 Nov 4.
Published in final edited form as: Adv Mater. 2015 Sep 21;27(41):6356–6362. doi: 10.1002/adma.201502489

FIGURE 2.

FIGURE 2

(a) Schematic diagram showing sequential steps to generate LHONA on ITO electrode via laser interference lithography (LIL) and electrochemical deposition method. (b) SEM images of (i) polymer nanohole template generated by LIL and electrochemically deposited gold nanostructures with different deposition time. (c) Intensities of cathodic peaks of dopamine obtained from cyclic voltammetry using different types of substrates and (Student’s t-test, N=3, *p<0.05, *p<0.01, *p<0.001). (d) The linear correlations between concentrations of dopamine and signal intensities at reduction potential of cyclic voltammetry.