Fig. 6: Visually monitoring gaseous I2 adsorption on individual ZIF-91 particles.
From: Visualization of gaseous iodine adsorption on single zeolitic imidazolate framework-90 particles

a SEM image of ZIF-91 particles. b Time-resolved DFM images of gaseous I2 adsorption on six representative ZIF-91 particles (scale bar: 1 μm) and (c) the corresponding adsorption kinetic. △IB represents the change of B value of the DFM images.