Proton-Conducting Graphene Oxide-Coupled Neuron Transistors for Brain-Inspired Cognitive Systems

Area of Science:

• Materials Science
• Neuroscience
• Computer Engineering

Background:

• Graphene oxide (GO) is a promising material for electronic applications.
• Developing artificial neurons requires advanced materials for emulation.

Purpose of the Study:

• To fabricate oxide-based neuron transistors using proton-conducting graphene oxide films.
• To emulate key neuronal functions and control mechanisms.

Main Methods:

• Utilizing proton-conducting graphene oxide electrolyte films as gate dielectrics.
• Fabricating oxide-based neuron transistors.
• Experimentally demonstrating paired-pulse facilitation, dendritic integration, and orientation tuning.
• Demonstrating neuronal gain control.

Main Results:

• Achieved very high electric-double-layer capacitance in GO films.
• Successfully emulated paired-pulse facilitation, dendritic integration, and orientation tuning.
• Demonstrated neuronal gain control (arithmetic).

Conclusions:

• Proton-conducting GO films are effective gate dielectrics for neuron transistors.
• The developed transistors can emulate complex neuronal behaviors.
• This approach offers a novel pathway for creating brain-inspired cognitive systems.