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. Author manuscript; available in PMC: 2020 Jan 30.
Published in final edited form as: J Am Chem Soc. 2019 Jan 15;141(4):1725–1734. doi: 10.1021/jacs.8b12415

Figure 1.

Figure 1.

Free-standing 2D QNS: (a) SEM image and photograph of QNS (inset); (b) low-magnification TEM image; (c) and (d) high-magnification TEM images and electron diffraction pattern (inset); (e) AFM image.