KP Technology is an award-winning company, celebrating 20 years of trading, specialising in measurement systems for EF, EV, HOMO, LUMO, Eg and SPV. Their innovative, cost-effective equipment features in over 120 publications each year for perovskites, solar cells, graphene, photovoltaics, metal-oxides, organic semiconductors, and OLEDs. The flagship KP Technology system is an ambient-pressure photoemission spectroscopy (APS) range, available as ambient, UHV, nitrogen and variable humidity.