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The mathematical expression known as the wave function, ψ, contains information about each orbital and the wavelike properties of electrons in an isolated atom. When atoms are bound together in a molecule, the wave functions combine to produce new mathematical descriptions that have different shapes. This process of combining the wave functions for atomic orbitals is called hybridization and is mathematically accomplished by the linear combination of atomic orbitals. The new orbitals that...
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Diodos de polímero de alta frecuencia y intrínsecamente extensibles

Naoji Matsuhisa1,2,3,4, Simiao Niu1, Stephen J K O'Neill1

  • 1Department of Chemical Engineering, Stanford University, Stanford, CA, USA.

Nature
|December 9, 2021
PubMed
Resumen
Este resumen es generado por máquina.

Los investigadores desarrollaron diodos intrínsecamente estirables que funcionan a 13,56 megahertz, lo que permite aplicaciones inalámbricas de alta frecuencia para electrónica portátil avanzada similar a la piel y atención médica personal.

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Área de la Ciencia:

  • Ciencias de los materiales
  • Ingeniería eléctrica
  • Ingeniería biomédica

Sus antecedentes:

  • La electrónica intrínsecamente elástica es crucial para la atención médica personal avanzada y la medicina a distancia.
  • Los dispositivos estirables existentes tienen frecuencias de funcionamiento limitadas (<100 Hz), lo que dificulta muchas aplicaciones.
  • El funcionamiento de alta frecuencia es necesario para las funcionalidades inalámbricas en la electrónica portátil.

Objetivo del estudio:

  • Desarrollar diodos intrínsecamente extensibles capaces de funcionar a alta frecuencia.
  • Para permitir funcionalidades inalámbricas para dispositivos electrónicos portátiles similares a la piel.
  • Para avanzar en las capacidades de la electrónica elástica para el cuidado de la salud personal.

Principales métodos:

  • Diseño y síntesis de materiales orgánicos y nanomateriales extensibles para diodos.
  • Componentes de ingeniería de ánodo estirable, cátodo, semiconductor y colector de corriente.
  • Integrado los diodos extensibles con sensores, pantallas y antenas.

Principales resultados:

  • Logró diodos intrínsecamente extensibles que funcionan a 13,56 megahertz.
  • Funcionamiento demostrado de alta frecuencia adecuado para la identificación por radiofrecuencia (RFID).
  • Se ha creado con éxito una etiqueta inalámbrica extensible que integra el diodo, el sensor, la pantalla y la antena.

Conclusiones:

  • Este trabajo supera las limitaciones de frecuencia en la electrónica extensible.
  • Los diodos desarrollados permiten el funcionamiento inalámbrico de alta frecuencia para dispositivos portátiles similares a la piel.
  • Representa un avance significativo hacia las funcionalidades mejoradas en la tecnología portátil.