Graphene and graphene-related materials as brain electrodes

Area of Science:

• Neuroscience
• Materials Science
• Biomedical Engineering

Background:

• Neural electrodes are essential for acquiring neuron signals in brain-machine interfaces (BMIs).
• Next-generation neuron engineering and medical applications require advanced electrode technology.
• Traditional metallic electrodes have limitations in flexibility, stability, and resolution.

Purpose of the Study:

• To review recent progress in graphene-based neural electrodes.
• To explore their application in neuron signal recording, stimulation, and optical coupling.
• To provide an outlook on their role in nanotechnology-neuron interfaces and medical diagnosis.

Main Methods:

• Review of recent scientific literature on graphene and 2D material-based neural electrodes.
• Analysis of electrode properties: flexibility, stability, resolution, resistance, and optical transparency.
• Examination of applications in electrophysiological recording and stimulation.

Main Results:

• Graphene and 2D materials offer excellent physical properties for neural electrodes.
• Graphene-based electrodes demonstrate potential for high-resolution, flexible, and stable neuron signal acquisition.
• Advancements include graphene/polymer compounds and graphene-related materials for enhanced performance.

Conclusions:

• Graphene-based electrodes are promising for next-generation neural interfaces.
• These materials significantly advance neuron signal recording, stimulation, and optical coupling.
• Future developments will impact nanotechnology-neuron interfaces and medical diagnosis.