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Electrónica de piel de fabricación escalable de una matriz de transistores intrínsecamente extensible
Sihong Wang1, Jie Xu1, Weichen Wang2
1Department of Chemical Engineering, Stanford University, Stanford, California 94305, USA.
Nature
|February 22, 2018
Resumen
Los investigadores desarrollaron un proceso de fabricación escalable para la electrónica de polímero intrínsecamente extensible. Este avance permite dispositivos de alta densidad, similares a la piel, para el monitoreo avanzado de la salud y las interfaces hombre-máquina.
Área de la Ciencia:
- Ciencias de los materiales
- Ingeniería electrónica
- Ingeniería biomédica
Sus antecedentes:
- La electrónica similar a la piel es crucial para el monitoreo de la salud, los implantes médicos y las interfaces hombre-máquina.
- La electrónica estirable actual a menudo requiere una fabricación compleja y tiene una baja densidad de dispositivos.
- Los polímeros intrínsecamente elásticos ofrecen potencial para mejorar la comodidad, la fidelidad de la señal y la densidad del dispositivo.
Objetivo del estudio:
- Desarrollar un proceso de fabricación escalable para polímeros electrónicos intrínsecamente extensibles.
- Para demostrar dispositivos electrónicos funcionales, de alta densidad y intrínsecamente elásticos.
- Para superar las limitaciones de la tecnología electrónica extensible actual.
Principales métodos:
- Desarrolló un nuevo proceso de fabricación para polímeros electrónicos intrínsecamente extensibles.
- Fabricado una matriz de transistores de polímero intrínsecamente extensible.
- El rendimiento del transistor bajo tensión mecánica.
Principales resultados:
- Se ha logrado un alto rendimiento y uniformidad en la fabricación de polímeros electrónicos extensibles.
- Demostró una densidad de dispositivo sin precedentes de 347 transistores por centímetro cuadrado.
- Los transistores exhibieron una alta movilidad y estabilidad del portador de carga bajo una tensión del 100% durante 1.000 ciclos.
Conclusiones:
- El proceso de fabricación desarrollado permite la creación de electrónica de piel intrínsecamente extensible de próxima generación.
- Esta tecnología allana el camino para aplicaciones avanzadas en monitoreo de salud portátil y robótica suave.
- La plataforma admite la integración de varios materiales poliméricos intrínsecamente elásticos.
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