High performance piezocomposites for flexible device application
作者： Xin Gao , Mupeng Zheng , Xiaodong Yan , Jing Fu , Yudong Hou
DOI: 10.1039/D0NR00111B
关键词:
摘要: Flexible piezocomposites have emerged as promising materials for highly durable wearable devices. Here, we propose a new design strategy, namely particle alignment engineering, to develop high performance flexible by dielectrophoresis (DEP). An ultrahigh piezoelectric voltage coefficient (g33) of 600 × 10−3 V m N−1 is achieved composite (Ba0.85Ca0.15)(Ti0.90Zr0.10)O3 (BCZT) particles aligned in polydimethylsiloxane (PDMS) matrix. To the best our knowledge, this g33 value far highest ever piezocomposites. The significantly improved poling electric applied BCZT and hugely enhanced stress-transfer capability synergistically contribute record-high response fabricated touch sensor keyboard possess an excellent sensitivity cycling stability, which demonstrate strategy exploring device application.
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