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Fig. 12 | Nano Convergence

Fig. 12

From: High-performance printed electronics based on inorganic semiconducting nano to chip scale structures

Fig. 12

Energy generators fabricated using printed inorganic elements: (ac) ZnO NW based piezoelectric nanogenerator (PENG) [184]. a SEM image of ZnO NW arrays bonded by Au electrodes. Inset: demonstration of an as-fabricated PENG. The arrowhead indicates the effective working area. b Open circuit voltage and (c) Short circuit current measurement of the PENG. df NG device made of PZT ribbons formed on a substrate of MgO and then TP onto a sheet of PDMS. e d31 as a function of poling time at a poling field of  100 kV/cm. f Deflection amplitude vs. modulating AC bias voltage amplitude for PZT ribbons printed on c-PDMS. gh Thermoelectric generator (TEG) using Si microwires [82]: g scheme of a thermocouple cell, and concept of a TEG module. h Graph of open circuit voltage at different temperature gradients

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