Title:
MULTIFUNCTIONAL FLEXIBLE PIEZOELECTRIC COMPOSITE THIN FILM HAVING ORDERED STRUCTURE AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2020/252833
Kind Code:
A1
Abstract:
The present invention relates to the field of flexible piezoelectric materials, and provides a multifunctional flexible piezoelectric composite thin film having an ordered structure and a manufacturing method therefor. A flexible functionalized piezoelectric thin film having high sensitivity can be manufactured, and the preparation method is simple in process and low in cost. The present invention comprises: dissolving a polymer powder in a solvent, and dispersing a piezoelectric single crystal platelet in a solvent to obtain a polymer solution and a piezoelectric single crystal platelet dispersion, respectively; putting a glass sheet into the polymer solution and leaving same to stand, and then drying the glass sheet; evenly and slowly dropping the piezoelectric single crystal platelet suspension on the surface of the glass sheet which is inclined and carries a thin layer of polymer, enabling the suspension to flow over the surface of the polymer, and then drying the glass sheet; cyclically performing the process above until a multifunctional flexible piezoelectric composite thin film having a multi-layer ordered structure is formed on the surface of the glass sheet. The present invention can be widely used in the fields of smart wearable devices, flexible robots, energy harvesting and biomedicine, etc.
Inventors:
WANG YIPING (CN)
LI XIONGJIE (CN)
YANG YING (CN)
HE TINGRUI (CN)
SUN SHENG (CN)
SHENG YUN (CN)
CHEN PENG (CN)
HU QUERUI (CN)
VYTAUTAS OSTASEVICIUS (CN)
LI XIONGJIE (CN)
YANG YING (CN)
HE TINGRUI (CN)
SUN SHENG (CN)
SHENG YUN (CN)
CHEN PENG (CN)
HU QUERUI (CN)
VYTAUTAS OSTASEVICIUS (CN)
Application Number:
PCT/CN2019/095932
Publication Date:
December 24, 2020
Filing Date:
July 15, 2019
Export Citation:
Assignee:
NANJING UNIV OF AEROTAUNICS AND ASTRONAUTICS (CN)
International Classes:
H01L41/37; H01L41/18; C23C14/14; C23C14/35
Foreign References:
| CN106910819A | 2017-06-30 | |||
| US20110250427A1 | 2011-10-13 | |||
| CN106876577A | 2017-06-20 |
Attorney, Agent or Firm:
JIANG SUNDY LAW FIRM (CN)
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