Search research articles

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

pH-Activated Targeting Drug Delivery System Based on the Selective Binding of Phenylboronic Acid.

ACS applied materials & interfaces·2016

Same author

Sublytic C5b-9 triggers glomerular mesangial cell apoptosis in rat Thy-1 nephritis via Gadd45 activation mediated by Egr-1 and p300-dependent ATF3 acetylation.

Journal of molecular cell biology·2016

Same author

Improving the hydrogen selectivity of graphene oxide membranes by reducing non-selective pores with intergrown ZIF-8 crystals.

Chemical communications (Cambridge, England)·2016

Same author

The Association Between Genetic Polymorphism rs703842 in CYP27B1 and Multiple Sclerosis: A Meta-Analysis.

Medicine·2016

Same author

High-Flexibility, High-Toughness Double-Cross-Linked Chitin Hydrogels by Sequential Chemical and Physical Cross-Linkings.

Advanced materials (Deerfield Beach, Fla.)·2016

Same author

Synthesis, structure, and magnetic and catalytic properties of metal frameworks with 2,2'-dinitro-4,4'-biphenyldicarboxylate and imidazole-containing tripodal ligands.

Dalton transactions (Cambridge, England : 2003)·2016

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Search research articles

Related Experiment Video

Updated: Apr 11, 2026

Covalent Attachment of Single Molecules for AFM-based Force Spectroscopy

Covalent Attachment of Single Molecules for AFM-based Force Spectroscopy

Published on: March 16, 2020

Charge-induced local dewetting on polymer electrets studied by atomic force microscopy.

Dan Zhao¹, Jiaxi Peng, Xiaofeng Tang

¹Department of Chemistry, Renmin University of China, Beijing 100872, P.R. China.

|June 2, 2015

Summary

Trapped charges in polymer electrets accelerate relaxation and induce selective dewetting in thin polymer films, creating patterned hole arrays. This charge-induced polymer relaxation is key for advanced material applications.

More Related Videos

Investigating Single Molecule Adhesion by Atomic Force Spectroscopy

Investigating Single Molecule Adhesion by Atomic Force Spectroscopy

Published on: February 27, 2015

Self-assembling Morphologies Obtained from Helical Polycarbodiimide Copolymers and Their Triazole Derivatives

Self-assembling Morphologies Obtained from Helical Polycarbodiimide Copolymers and Their Triazole Derivatives

Published on: February 7, 2017

Related Experiment Videos

Last Updated: Apr 11, 2026

Covalent Attachment of Single Molecules for AFM-based Force Spectroscopy

Covalent Attachment of Single Molecules for AFM-based Force Spectroscopy

Published on: March 16, 2020

Investigating Single Molecule Adhesion by Atomic Force Spectroscopy

Investigating Single Molecule Adhesion by Atomic Force Spectroscopy

Published on: February 27, 2015

Self-assembling Morphologies Obtained from Helical Polycarbodiimide Copolymers and Their Triazole Derivatives

Self-assembling Morphologies Obtained from Helical Polycarbodiimide Copolymers and Their Triazole Derivatives

Published on: February 7, 2017

Area of Science:

Materials Science
Polymer Science
Dielectric Materials

Background:

Polymer electrets are crucial in various applications due to their dielectric properties.
Understanding the impact of trapped charges on polymer electret behavior is vital for advanced material design.
Charge distribution significantly influences the dielectric properties and stability of polymer electrets.

Purpose of the Study:

To investigate the effect of trapped charges on the relaxation behavior of polymer electrets.
To explore charge-induced polymer relaxation mechanisms, specifically local dewetting.
To demonstrate how patterned charges can selectively alter polymer film behavior.

Main Methods:

Fabrication of polymer electrets with defined charge patterns.
Observation of selective dewetting in thin polymer films under thermal or solvent annealing.
Analysis of relaxation behaviors in homo-polymer and block copolymer films.
Mechanical property measurements of charged polymer patterns.

Main Results:

Charged areas in polymer electrets exhibit accelerated relaxation compared to neutral areas.
Selective dewetting of thin polymer films occurs in charged regions, forming hole arrays.
Trapped charges demonstrably drive the dewetting process in polymer electrets.
Mechanical properties of charged polymers are altered by the presence of trapped charges.

Conclusions:

The study confirms that trapped charges accelerate relaxation in polymer electrets.
Charge-induced dewetting is a viable mechanism for patterning polymer films.
These findings offer new pathways for the intelligent utilization of polymer electrets in advanced applications.