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Updated: Jun 30, 2026
14:52
Fabrication of Three-Dimensional Graphene-Based Polyhedrons via Origami-Like Self-Folding
Published on: September 23, 2018
Electric property evolution of structurally defected multilayer graphene.
Kanghyun Kim1, Hyung Ju Park, Byung-Chill Woo
1Division of Advanced Technology, Korea Research Institute of Standards and Science, Daejeon 305-340, Korea.
Nano Letters
|September 19, 2008
Summary
Structural disorder in multilayer graphene (MLG) significantly impacts electrical properties. Increased defects lead to decreased conductance and enhanced p-type behavior, offering a method for tuning graphene
Area of Science:
- Materials Science
- Condensed Matter Physics
- Nanotechnology
Background:
- Multilayer graphene (MLG) exhibits unique electronic properties.
- Structural disorder can significantly alter material characteristics.
- Understanding defect-induced changes is crucial for electronic applications.
Purpose of the Study:
- To investigate the influence of structural disorder on MLG's electrical properties.
- To elucidate the mechanisms behind observed electrical changes.
- To explore methods for tuning graphene's electrical behavior.
Main Methods:
- Fabrication of multilayer graphene (MLG).
- Introduction of structural disorder via oxygen plasma treatment.
- Electrical characterization, including conductance, transconductance, and low-frequency noise measurements.
Main Results:
- Observed exponential decreases in conductance and transconductance with increasing defects.
- Attributed electrical changes to percolation and variable range hopping conduction.
- Noted enhancement of p-type behavior due to oxygen doping.
- Linked rapid increase in low-frequency noise to conductive network formation and carrier scattering.
Conclusions:
- Structural disorder provides a tunable pathway for modifying MLG electrical properties.
- Oxygen doping and defect-induced scattering are key mechanisms.
- Findings suggest a straightforward method for electrical property tuning in graphene-based devices.
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