Fig. 3
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Overview on mean degradation observed in PMPP (top) and VOC (bottom) after indoor UV test (green) or outdoor exposure (blue) at four different locations: Site 2, Type B (left), Site 3 and 4, Type C (middle) and Site 5, and Type D (PERC, right). The UV dose corresponds to light ≤365 nm. Please note that the y-axes are scaled differently.
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