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SUMMARY:TYC Journal Club: Impact of metastable defect structures on carrier recombination in solar cells
DESCRIPTION:TYC Journal Club: Impact of metastable defect structures on carrier recombination in solar cells  Share on X\n\n\n\n\nJoin us on Monday 20 June at 11am on Zoom. \n\n\n\nIn this meeting\, Seán Kavanagh will discuss his work on: Impact of metastable defect structures on carrier recombination in solar cells \n\n\n\nThe main results: \n\n\n\nWe elucidate the additional pathways for electron-hole recombination (the key limiting factor for solar cell efficiencies) introduced by metastable defects in semiconductors.We show that metastable defects introduce multiple extra recombination pathways\, potentially catalysing the overall recombination rate\, depending on the individual kinetics.We analyse the general trends in behaviour for electron/hole capture by metastable defects\, determining the energetic requirements and conditions under which metastable states are likely to impact recombination.Finally\, we take tellurium interstitials in CdTe as an illustrative example of this behaviour\, where metastable defect structures transform this species from a benign defect centre to a relevant trap state.\n\n\n\nHope to see you all there! \n\n\n\nJoining on Zoom:https://ucl.zoom.us/j/708748699?pwd=MU50Wi9Dc1IyTkcxenRBalY5dm9rZz09 Meeting ID: 708 748 699Password: TYCJC
URL:https://thomasyoungcentre.org/event/tyc-journal-club-impact-of-metastable-defect-structures-on-carrier-recombination-in-solar-cells/
CATEGORIES:Journal Club
ATTACH;FMTTYPE=image/jpeg:https://thomasyoungcentre.org/wp-content/uploads/2021/11/cropped-TYC-Logo_blue_on_white_2.jpg
ORGANIZER;CN="Vasileios Fotopoulos Fotis":MAILTO:vasileios.fotis.19@ucl.ac.uk
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