Figure 7
From: Near infrared photothermoelectric effect in transparent AZO/ITO/Ag/ITO thin films

Voltage and irradiance variation over time of photothermoelectric device glued to the window. Blue line—irradiance, red line—AZO/IAI sample, green line—AZO/IAI completely covered with a black paper, orange line—AZO/IAI covered with Kapton film and black line—AZO/IAI covered with white paper.