Fig. 8: Material identification using the on-chip OECS. | Nature Communications

Fig. 8: Material identification using the on-chip OECS.

From: Multifunctional integrated electrochromic device by p-n conductive polymers for self-powered smart windows and miniaturized spectrometers

Fig. 8: Material identification using the on-chip OECS.

a Schematic illustration of the transmission-mode measurement setup. b Photographs of the OECS chip and a chip in a metal-encapsulated module. c Four organic semiconductor material solutions. d Reconstructed absorption spectra obtained with the OECS, compared with reference spectra measured by a commercial spectrometer. e Classification results based on the reconstructed spectra, represented as spectral response weight vectors for each sample.

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