Recent progress on mechanical optimization of MEMS electret-based electrostatic vibration energy harvesters

M Li, A Luo, W Luo, F Wang - Journal of …, 2022‏ - ieeexplore.ieee.org
In recent years, self-powered energy harvesting technology has been widely studied, which
may provide supplementary power for wireless sensing networks with low power …

Dielectric relaxation and trap-modulated DC breakdown of polypropylene blend insulation

Z Li, Z Zhong, B Du - Polymer, 2019‏ - Elsevier
This work focuses on the dielectric relaxation of isotactic polypropylene (iPP), syndiotactic
polypropylene (sPP) and atactic polypropylene (aPP) blended insulation. The relationship …

Spray-coated electret materials with enhanced stability in a harsh environment for an MEMS energy harvesting device

A Luo, Y Xu, Y Zhang, M Zhang, X Zhang… - Microsystems & …, 2021‏ - nature.com
The charge stability of electret materials can directly affect the performance of electret-based
devices such as electrostatic energy harvesters. In this paper, a spray-coating method is …

Tunable polytetrafluoroethylene electret films with extraordinary charge stability synthesized by initiated chemical vapor deposition for organic electronics applications

S Schröder, T Strunskus, S Rehders, KK Gleason… - Scientific reports, 2019‏ - nature.com
Bulk polytetrafluoroethylene (PTFE) possesses excellent chemical stability and dielectric
properties. Indeed, thin films with these same characteristics would be ideal for electret …

Quasi-Hydrogen Bond and Charge-Trap** Effect Originating from Polar Side Group Lead to Significantly Suppressed Charge Transport in Polypropylene

S Hu, W Zhang, C Yao, S Huang, Z Luo… - The Journal of …, 2024‏ - ACS Publications
How to fundamentally suppress charge transport is one of the essential issues in polymer
dielectrics. This work reports significant charge transport suppression by glycidyl …

[HTML][HTML] Space Charge Characteristics of Polypropylene Modified by Rare Earth Nucleating Agent for β Crystallization

J Yang, M Gao, H Zhao, S Liu, M Hu, S **e - Materials, 2018‏ - mdpi.com
Compared to cross-linked polyethylene, polypropylene has a thermoplastic property and the
advantage of recycling. However, the poor impact resistance at low temperature and the …

Transparent In/SeO2 Thin Film Transistors Designed for Gigahertz/Terahertz Technologies

AF Qasrawi, RB Daragme - Journal of Electronic Materials, 2022‏ - Springer
Herein, thin films of selenium oxide are coated onto transparent indium substrates with
thickness of 150 nm under vacuum pressure of 10–5 mbar. In/SeO2 optical receivers are …

Outstanding performance of parylene polymers as electrets for energy harvesting and high‐temperature applications

C Lagomarsini, C Jean‐Mistral… - Journal of Applied …, 2020‏ - Wiley Online Library
Parylene C is used in many applications due to its high properties but it remains a material
with moderate performance as long as it is intended for use as an electret. Hence, the …

Simulation and experimental investigation of electret polypropylene fiber preparation via centrifugal melt electrospinning for enhanced air filtration

H Ye, J Chen, J Ge, Y Huang, J Ye, X Qu… - Separation and …, 2025‏ - Elsevier
Rapid urbanization and industrialization have led to severe air pollution, enabling bacteria
and viruses to become suspended in aerosol particles, which can be inhaled and pose a …

Time and thermal stability improvement of polyethylene ferroelectrets

O Hamdi, F Mighri, D Rodrigue - Journal of Applied Polymer …, 2019‏ - Wiley Online Library
Ferroelectrets with good piezoelectric coefficients have been produced based on cellular
polyethylene (PE) via extrusion film blowing. The quasi‐static piezoelectric coefficient (d33) …