Fig. 1: Structural characterizations of N-Cu(BDC).
From: CO2 controls the oriented growth of metal-organic framework with highly accessible active sites

a–e SEM, TEM, AFM images, and EDS mappings of N-Cu(BDC) synthesized in CO2/methanol solution at 7.38 MPa and 35 °C with 0.1 mL of TEA for 24 h; f XRD patterns of N-Cu(BDC), B-Cu(BDC), and simulated XRD pattern of bulk Cu(BDC). Scale bars: 500 nm in a and c, 1 μm in b, 200 nm in d and 50 nm in e.