fig3

Decorating pore environment via cationic units of covalent organic frameworks for enhancing CO<sub>2</sub> reduction reaction

Figure 3. The XPS spectra of (A) Co 2p and (B) N 1s for Co-COF and TMA-COF. XPS: X-ray photoelectron spectroscopy; TMA-COF: (3-carboxypropyl)trimethylammonium covalent organic framework.

Carbon Footprints
ISSN 2831-932X (Online)

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