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High-Performance Piezoelectric Nanogenerators via Imprinted Sol–Gel BaTiO3 Nanopillar Array
ACS Applied Materials & Interfaces ( IF 8.3 ) Pub Date : 2017-11-15 00:00:00 , DOI: 10.1021/acsami.7b11773
Sung-Ho Shin 1 , Seong-Young Choi 2 , Min Hyung Lee 2 , Junghyo Nah 1
Affiliation  

We report high-performance piezoelectric nanogenerators (PENGs) with nanoimprinted sol–gel BaTiO3 (BTO) nanopillar array polarized under high electric field and ultraviolet. The PENGs fabricated using this method demonstrate greatly enhanced output voltage of ∼10 V and current density of ∼1.2 μA cm–2, respectively, in comparison to that of flat PENG. Further, the PENG demonstrates uniform output characteristics over the entire device area thanks to uniform nanoimprint pillar array. The approach introduced here is simple, effective, reliable, and reproducible way to fabricate high-performance sol–gel-based PENGs and electronic devices.

中文翻译:

通过压印Sol–Gel BaTiO 3纳米柱阵列的高性能压电纳米发生器

我们报告了高性能压电纳米发电机(PENGs),其纳米压印的溶胶-凝胶BaTiO 3(BTO)纳米柱阵列在高电场和紫外线下极化。与平坦的PENG相比,使用这种方法制造的PENG分别显示出约10 V的显着提高的输出电压和约1.2μAcm –2的电流密度。此外,由于均匀的纳米压印柱阵列,PENG在整个器件区域显示出均匀的输出特性。此处介绍的方法是一种简单,有效,可靠且可重现的方法,用于制造基于溶胶-凝胶的高性能PENG和电子设备。
更新日期:2017-11-16
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