Energy Storage Performance of Sandwich Structured Pb(Zr0.4Ti0.6)O3/BaZr0.2Ti0.8O3/Pb(Zr0.4Ti0.6)O3 Films

被引：11
|
作者：
Gu, Jinxin [1 ]
Sun, Qiu [1 ]
Chen, Xiangqun [2 ]
Song, Ying [1 ]
Tang, YiLun [2 ]
Wang, Dongbo [3 ]
Qu, Ping [4 ]
机构：
[1] Harbin Inst Technol, Dept Chem Engn & Technol, Sch Chem Engn & Technol, Harbin 150001, Heilongjiang, Peoples R China
[2] Harbin Inst Technol, Mat Phys & Chem, Sch Mat Sci & Engn, Harbin 150001, Heilongjiang, Peoples R China
[3] Harbin Inst Technol, Dept Optoelect Informat Sci, Sch Mat Sci & Engn, Harbin 150001, Heilongjiang, Peoples R China
[4] Harbin Inst Technol, Sch Energy Sci & Engn, Harbin 150001, Heilongjiang, Peoples R China
来源：
CRYSTALS | 2019年 / 9卷 / 11期
基金：
中国国家自然科学基金;
关键词：
sandwich structure; thin films; energy storage; dielectric properties; THIN-FILMS; FERROELECTRIC PROPERTIES; ELECTRICAL-PROPERTIES; DENSITY; CAPACITORS; BEHAVIOR;
D O I：
10.3390/cryst9110575
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
We reported a sandwich structured Pb(Zr0.4Ti0.6)O-3/BaZr0.2Ti0.8O3/Pb(Zr0.4Ti0.6)O-3 (PZT/BZT/PZT) film fabricated by using the sol-gel method, which was dense and uniform with a unique perovskite structure. The PZT/BZT/PZT films displayed high dielectric constants up to 1722.45 at the frequency of 10 kHz. Additionally, the enhanced energy storage density of 39.27 J.cm(-3) was achieved at room temperature and 2.00 MV/cm, which was higher than that of the individual BaZr0.2Ti0.8O3 film (21.28 J.cm(-3)). Furthermore, the energy storage density and efficiency of PZT/BZT/PZT film increased slightly with the increasing temperature from -140 degrees C to 200 degrees C. This work proves the feasibility and effectiveness of a sandwich structure in improving dielectric, leakage, and energy storage performances, providing a new paradigm for high-energy-density dielectrics applications.
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页数：9
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