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. 2015 Sep 21;6:8356. doi: 10.1038/ncomms9356

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Graphs (a,b) show a photograph and circuit diagram, respectively, of an MFSOTE array with 4 × 4 pixels. Graphs (c,d) show schematic illustrations of the integrated array: (c) All the devices connected in series can be used as an electricity generator for harvesting energy. (d) The device switches to a self-powered dual-parameter sensor model when subjected to an external pressure. The insets in graph (c,d) show magnified views of the circuit connection between two pixels under unloading and loading conditions, respectively. (e) The thermoelectric voltage (top), temperature (middle), and pressure (bottom) responses of a MFSOTE array to five finger-touch cycles. The bottom surface of the MFSOTE array is heated with a Peltier element.