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a) Photograph showing 18 n‐p TE leg pairs embedded into TEGs. TE legs with widths of 0.6, 0.8, 1.2, and 1.4 mm are used. b) Measured ΔT and open‐circuit voltage of the TEGs as a function of the fill factor. c) Measured TEG performance including voltage and power as a function of current. d) Photograph of measuring the voltage by placing the TEGs on human skin.
