Credit: Jack Hobhouse Jiaxing DuGraduate Student Sub departmentCondensed Matter Physics Research groupsSemiconductors group jiaxing.du@physics.ox.ac.uk Clarendon Laboratory About I am a postgraduate student in semiconductor group at Univeristy of Oxford, supervised by Prof. Laura Herz.My research area is investigating charge-carrier dynamics in metal halide perovskites by ultra-fast optical spectroscopy.