What exactly can be measured by Mott Schottky experiment. Some of publications show that Mott Schottky plot gives doping density by slope of the straight line and

flatband potential by intercept but here: https://www.infona.pl/resource/bwmeta1.element.elsevier-da007755-425e-3eac-bda1-136c13417028 this experiment is conducted only for BiVO4, not composite with polymer. Here https://hal.archives-ouvertes.fr/hal-01111490/document this experiment is conducted for composite but Csc - space charge layer capacitance indicate the capacitance of TiO2. When Mott Schottky plot is draw for composite, what does it mean? When I have different slopes of the straight line it means that material X is more p-type than material Y?

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