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. Author manuscript; available in PMC: 2019 May 30.
Published in final edited form as: RSC Adv. 2016 May 10;6(51):45462–45474. doi: 10.1039/C6RA04421B

Fig. 3.

Fig. 3

Schematic representation for the preparation of rattle-typed structured MONs (solid/hollow) and their corresponding TEM images. Reproduced from ref. 21 with permission from the Royal Society of Chemistry. Reprinted with permission from ref. 38. Copyright 2015 Wiley-VCH.