Photochemical doping tunes the spin-valley polarization of neutral excitons in monolayer WSe2 across the n-type to p-type transition, with a minimum near charge neutrality and a threefold increase at a hole density of 5x10^11 cm^-2.
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Spin-valley polarization control in WSe$_2$ monolayers using photochemical doping
Photochemical doping tunes the spin-valley polarization of neutral excitons in monolayer WSe2 across the n-type to p-type transition, with a minimum near charge neutrality and a threefold increase at a hole density of 5x10^11 cm^-2.