Figure 4
(a) Partial diffractograms (3–28°) of the ZIF-8 isothermal gas adsorption experiments carried out in N2 atmosphere at 85 K and different gas pressures. The X-ray beam wavelength was set to 0.772939 Å. (b) Diffractogram blow-up (7–16° 2θ) for two N2 equilibrium pressures: saturation 325 mbar (top, red) and vacuum (bottom, black). The vertical arrows point to the most relevant diffractogram changes. The X-ray beam wavelength was set to 0.772939 Å. |