BaTiO3@PVDF-TrFE nanocomposites with efficient orientation prepared via phase separation nano-coating method for piezoelectric performance improvement and application to 3D-PENG

被引：60

作者：

Cho, Yujang ^{[1
]}

Jeong, Jaeseon ^{[1
]}

Choi, Minseok ^{[1
]}

Baek, Gyunpyo ^{[1
]}

Park, Sangki ^{[1
]}

Choi, Hyeongsub ^{[1
]}

Ahn, Seongcheol ^{[1
]}

Cha, Seokjun ^{[1
]}

Kim, Taeyun ^{[2
]}

Kang, Dong-Soo ^{[1
]}

Bae, Jihyun ^{[3
,4
]}

Park, Jong-Jin ^{[1
]}

机构：

[1] Chonnam Natl Univ, Dept Sci & Polymer Engn, Gwangju 61186, South Korea

[2] Hanyang Univ, Arkema Seoul Technol Ctr, Fus Technol Ctr 7F, 222 Wangsimni Ro,Seongdong Gu, SEOUL 04763, South Korea

[3] Hanyang Univ, Human Tech Convergence Program, SEOUL 04763, South Korea

[4] Hanyang Univ, Dept Clothing & Text, SEOUL 133791, South Korea

来源：

CHEMICAL ENGINEERING JOURNAL | 2022年 / 427卷

关键词：

Piezoelectric nanogenerator (PENG); Nano coating; Organic-Inorganic hybrid nanocomposite; 3D structure PENG; THIN-FILM; ENERGY DENSITY; BATIO3; NANOGENERATOR; NANOPARTICLES; MEMBRANES; POLYMER; PRECIPITATION; ENHANCEMENT; PARTICLES;

D O I：

10.1016/j.cej.2021.131030

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Piezoelectric organic-inorganic hybrid nanocomposites utilize the advantages of high piezoelectricity of piezoelectric ceramics as well as the dielectric properties and flexibility of polymers. BaTiO3 particles that are nanocoated using the phase separation nano-coating method have effective orientation due to interaction with the PVDF-TrFE polymer chain. After mixing the piezoelectric BaTiO3 nanoparticles with the PVDF-TrFE matrix, an organic-inorganic hybrid nanocomposite film with enhanced efficiency characteristics of inorganic piezoelectric particles, and the flexibility and processability of the polymer was fabricated. The piezoelectric organic-inorganic hybrid nanocomposite film, in which the BaTiO3 coated with a polymer layer of about 5 nm or less, was dispersed and produced an output voltage of 59.5 V and an output current of 6.52 mu A at a relatively low compression pressure of 100 N and frequency of 2.5 Hz. The result was about 4.8 times and 2 times higher than that of pure PVDF-TrFE and BaTiO3 nanocomposite dispersed films, respectively. The output power was measured against the external load resistance. On the other hand, the maximum output power value was measured to be 165.8 mu W. In addition, by using the excellent pmcessability of the uniformly dispersed BaTiO3@PVDF-TrFE nanocomposite solution, the piezoelectric nano-generator was implemented in a new form, in which the existing form factor was changed by coating on a three-dimensional shape as well as a two-dimensional flat film.

引用

页数：12