Significant enhancement of energy storage density and polarization in self-assembled PbZrO3 : NiO nano-columnar composite films

被引：30

作者：

Chen, M. J. ^{[1
,2
]}

Ning, X. K. ^{[1
]}

Wang, S. F. ^{[1
]}

Fu, G. S. ^{[1
]}

机构：

[1] Hebei Univ, Coll Phys Sci & Technol, Hebei Key Lab Opt Elect Informat & Mat, 180 Wusi Rd, Baoding 110016, Peoples R China

[2] Hebei Univ, Coll Qual & Tech Supervis, Baoding 071002, Peoples R China

来源：

NANOSCALE | 2019年 / 11卷 / 04期

基金：

中国国家自然科学基金;

关键词：

THIN-FILMS; ELECTRICAL-PROPERTIES; PERFORMANCE; LATTICE; PHASE;

D O I：

10.1039/c8nr08887j

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Self-assembled nanostructures are important for determining the physical properties of epitaxial oxide films. We successfully fabricated perfectly ordered NiO nano-columns embedded in an antiferroelectric (AFE) PbZrO3 (PZO) matrix over large areas. In this system, a giant recoverable energy storage density of W-r = 24.6 J cm(-3) and polarization of P-S = 91 mu C cm(-2) were achieved in the structure of PZO:NiO nanocomposites. These values are 333% and 253% larger than those of a pure PZO film, respectively. Additionally, the properties could be tuned by gradually changing the volume ratio of the constituents. Hence, we demonstrate a new approach for enhancing the energy storage of AFE materials and exercising control over nano-column-embedded nanocomposites.

引用

页码：1914 / 1920

页数：7

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