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. Author manuscript; available in PMC: 2017 Oct 29.
Published in final edited form as: ACS Nano. 2015 Jun 15;9(7):6951–6960. doi: 10.1021/acsnano.5b01138

Figure 2.

Figure 2

(a) UV–vis spectra of Au nanoparticle, AuNP@PDA, and AuNP@PDA@ZIF-8. Inset: TEM image of AuNP@PDA@ZIF-8. (b) UV–vis spectra of Au nanoparticle, AuNP@PDA, and AuNP@PDA@UiO-66. Inset: TEM image of AuNP@PDA@UiO-66. (c) XRD patterns of different samples. (d) Nitrogen-sorption isotherms for different samples at 77 K up to 1 bar. The solid and open symbols represent adsorption and desorption, respectively.