Related Experiment Video
Updated: Jan 15, 2026
11:09
Scalable Solution-processed Fabrication Strategy for High-performance, Flexible, Transparent Electrodes with Embedded Metal Mesh
Published on: June 23, 2017
10.7K
Conductive ultra-flexible graphene-based films for electronic applications
Nikolay V Petyakin1, Artem I Ivanov1, Anna A Buzmakova1
1Rzhanov Institute of Semiconductor Physics SB RAS, 13 Lavrentiev av., Novosibirsk 630090, Russia. npetyakin@isp.nsc.ru.
Physical Chemistry Chemical Physics : PCCP
|October 10, 2025
Summary
Graphene composites with polyvinyl alcohol (PVA) create flexible, conductive films for wearable electronics. Adding PVA enhances structural integrity and stability under strain, maintaining low resistance for reliable performance.
Area of Science:
- Materials Science
- Nanotechnology
- Polymer Science
Background:
- Developing stable, conductive 2D printing inks is crucial for flexible printed electronics.
- Wearable devices require materials with elasticity comparable to human skin.
- Graphene-based composites offer potential for advanced electronic applications.
Purpose of the Study:
- Investigate the structure, flexibility, and electrical properties of graphene-based composite films.
- Evaluate the impact of polyvinyl alcohol (PVA) addition on film performance.
- Determine the suitability of these composites for flexible and wearable electronics.
Main Methods:
- Fabrication of thin films using 2D inkjet printing.
- Composition included graphene, PEDOT:PSS, and varying amounts of PVA.
- Analysis of structural integrity, flexibility, and electrical resistance under mechanical strain.
Main Results:
- Films with ≥5 wt% PVA maintained structure under up to 40% strain (0.13 mm bending radius).
- PVA addition reduced resistance change by ~3 times under strain compared to films without PVA.
- Specific resistance remained within 20% of the original composite for PVA content ≤30 wt%.
Conclusions:
- A flexible PVA network enhances the mechanical stability and electrical performance of graphene composites.
- These PVA-modified graphene composites are promising for flexible and wearable electronic applications.
- The materials demonstrate stable conductivity under repeated large mechanical strains.
