Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

View full-text article in PMC

. 2020 Mar 6;6(10):eaaz3112. doi: 10.1126/sciadv.aaz3112

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

Copyright © 2020 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution NonCommercial License 4.0 (CC BY-NC).

This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial license, which permits use, distribution, and reproduction in any medium, so long as the resultant use is not for commercial advantage and provided the original work is properly cited.

PMC Copyright notice

Fig. 2 — (A) Synthetic scheme of the NMMF@C cubes, which includes two steps: I, coating resorcinol-formaldehyde resin on the as-prepared cubes; II, carbonization at high temperature. (B) XRD pattern of the NMMF@C cubes together with two standard patterns. a.u., arbitrary units. (C) FESEM image of the NMMF cubes. (D) FESEM image of NMMF@C cubes. (E) TEM images of the NMMF@C cubes. Inset is a HRTEM image taken from the region indicated by a white square. (F) STEM and elemental mapping images of the Na, Mg, C, Mn, and F elements of a single NMMF@C cube.