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Jinsung Chun, Keun Young Lee, Chong-Yun Kang, Myung Wha Kim, Sang-Woo Kim and Jeong Min Baik Embossed Hollow Hemisphere-Based Piezoelectric Nanogenerator and Highly Responsive Pressure Sensor Advanced Functional Materials 24

Article first published online: 19 NOV 2013 | DOI: 10.1002/adfm.201302962

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For the first time, high-performance pressure sensors and piezoelectric nanogenerators based on embossed hollow hemispheres are reported. The pressure sensor with the asymmetric hemispheres results in level at about 7 mA cmß2 at normal force of 30 N. The nanogenerators generate the voltage output of ≈0.2 V, and are demonstrated enhanced output voltage up to 2 times by a layer-by-layer stacking.

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