Fig. 6: The correlations between the dielectric functions and charge transfer which is calculated by different potential parameters.
From: Understanding contact electrification at liquid–solid interfaces from surface electronic structure
a The work function. b The vacuum level. c The band offset. d The vacuum level × the vacuum level. e The band offset × the band offset. f The band offset × the vacuum level. g The band offset calculated charge × the vacuum level calculated charge. h The band offset × the vacuum level calculated charge. i The band offset variation × the vacuum level charge.
