Fig. 5: Full-visible-spectrum piezochromism mechanism of XOF@AD.
From: Host-guest strategy for full-visible-spectrum piezochromism in halogen-bonded organic frameworks
a High pressure UV-vis absorption spectra of XOF@AD. b The wavelength of absorption edge during compression. c Color evolution of XOF@AD during compression. d Band gap changes of XOF@AD as a function of pressure. e Orbital profiles of HOMO and LUMO of XOF@AD at ambient conditions. f Band structure of XOF@AD at ambient conditions. g Total and projected density of states (DOSs) of isolated atoms for C at 1 atm and 22.8 GPa. h ESP analyses of PPNO at 1 atm and 22.8 GPa.
