Part I. Foundations of OECT Neuroelectronics
1. Neural Electrical and Chemical Signals: Biological Requirements for Device Design
2. Brain?Computer Interfaces and Neural Interfaces: Technological Landscape and Unmet Needs
3. Organic Electronics and Mixed Ionic?Electronic Conduction
 
Part II. Operating Principles and Performance Metrics of OECTs
4. Operating Principles of Organic Electrochemical Transistors
5. Transconductance, Volumetric Capacitance, µC*, and Device Scaling
6. Transient Response, Noise, Bandwidth, and Signal Fidelity
 
Part III. Molecular Design and Materials Systems for OECT Neuroelectronics
7. PEDOT:PSS and PEDOT-Based Benchmark Materials
8. p-Type Organic Mixed Ionic?Electronic Conductors
9. n-Type and Ambipolar OMIECs: Bottlenecks and Breakthroughs
10. Semiconducting Polymer Hydrogels and Tissue-Like OMIECs
11. Biocompatibility, Biodegradability, and Long-Term Stability of OECT Materials
 
Part IV. OECT Device Architectures and System Integration
12. Coplanar OECTs: Architecture, Fabrication, and Characterization
13. Vertical OECTs, Internal Ion-Gated Transistors, and Ultrafast Architectures
14. Flexible, Stretchable, Fiber-Based, and Implantable OECT Devices
15. OECT Arrays, Multiplexing, Complementary Circuits, and Hybrid Integration
 
Part V. Neural Signal Acquisition, Chemical Sensing, and Closed-Loop Interfaces
16. OECTs for Electrophysiological Recording: ECoG, LFP, EEG, and Peripheral Nerve Signals
17. OECTs for Neurochemical, Ionic, and Metabolic Sensing
18. Multimodal and Closed-Loop Neural Interfaces
 
Part VI. Translation, Industrial Perspectives, and AI-Assisted Future Development
19. Comparison with Mainstream Brain?Computer Interface Technologies and Translational Challenges
20. AI-Assisted Molecular Design, Device Optimization, and Future OECT Neuroelectronics