Proximity screening by a graphite layer in a WSe2-graphene-WSe2 photodetector increases hot-carrier cooling time by up to 4x and internal photoresponsivity by ~50%.
Wang and Xiaoyu Jia and Anand Nivedan and Mischa Bonn and Aron W
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Graphene-based Photodetector with Engineered Hot Carrier Cooling Dynamics
Proximity screening by a graphite layer in a WSe2-graphene-WSe2 photodetector increases hot-carrier cooling time by up to 4x and internal photoresponsivity by ~50%.