压电
材料科学
铁电性
钙钛矿(结构)
铁弹性
稀土
复合数
能量(信号处理)
复合材料
光电子学
化学工程
物理
电介质
工程类
冶金
量子力学
作者
Qiangqiang Jia,Haifeng Lu,Jiaqi Luo,Ya-zhe Zhang,Hao‐Fei Ni,Feng‐Wen Zhang,Jianguo Wang,Da‐Wei Fu,Chang‐Feng Wang,Yi Zhang
出处
期刊:Small
[Wiley]
日期:2023-11-30
卷期号:20 (16)
被引量:2
标识
DOI:10.1002/smll.202306989
摘要
Hybrid organic-inorganic perovskite (HOIP) ferroelectric materials have great potential for developing self-powered electronic transducers owing to their impressive piezoelectric performance, structural tunability and low processing temperatures. Nevertheless, their inherent brittle and low elastic moduli limit their application in electromechanical conversion. Integration of HOIP ferroelectrics and soft polymers is a promising solution. In this work, a hybrid organic-inorganic rare-earth double perovskite ferroelectric, [RM3HQ]2RbPr(NO3)6 (RM3HQ = (R)-N-methyl-3-hydroxylquinuclidinium) is presented, which possesses multiaxial nature, ferroelasticity and satisfactory piezoelectric properties, including piezoelectric charge coefficient (d33) of 102.3 pC N-1 and piezoelectric voltage coefficient (g33) of 680 × 10-3 V m N-1. The piezoelectric generators (PEG) based on composite films of [RM3HQ]2RbPr(NO3)6@polyurethane (PU) can generate an open-circuit voltage (Voc) of 30 V and short-circuit current (Isc) of 18 µA, representing one of the state-of-the-art PEGs to date. This work has promoted the exploration of new HOIP ferroelectrics and their development of applications in electromechanical conversion devices.
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