El Grafeno abre un nuevo potencial para el desarrollo de textiles inteligentes
- 1 de abril de 2022
- Publicado por: Juan Manuel
- Categoría: novedades

Gracias al Grafeno, el desarrollo de “textiles inteligentes” asequibles, duraderos y producidos en masa están más cerca de ser una realidad. Un equipo internacional de científicos, dirigido por la profesora Mónica Craciun de la Universidad de Exeter, ha sido el pionero en una nueva técnica para crear fibras totalmente electrónicas que pueden incorporarse a la producción de ropa común.
Actualmente, los “wearable” y prendas electrónicas se logran fundamentalmente pegando los dispositivos a las telas, resultando en productos demasiados rígidos y susceptibles de funcionar mal. En su lugar, la nueva investigación integra los dispositivos electrónicos en el tejido del material, mediante el recubrimiento de fibras electrónicas con componentes ligeros y duraderos que permitirán que las imágenes se muestren directamente en el tejido.
La investigación fue publicada en la revista científica Flexible Electronics, y sus autores creen que el descubrimiento podría revolucionar la creación de textiles inteligentes para su uso en una variedad de aplicaciones diarias, así como para la monitorización de la salud y el diagnóstico médico.
Tejidos inteligentes a base de Grafeno
Los tejidos inteligentes son un campo de investigación emergente que se pueden aplicar en multitud de usos como diagnósticos médicos, monitorización de la salud, ropa, telas para el hogar, etc. La verdadera integración electrónica en los tejidos requiere la fabricación dispositivos directamente en la propia fibra utilizando materiales de alto rendimiento que permitan su incorporación de forma integral. Los tejidos electrónicos y optoelectrónicos, logrados por el entrelazado de fibras con funciones complementarias, constituyen la frontera tecnológica más ambiciosa y emergente en este campo.
“Para lograr dispositivos electrónicos verdaderamente portátiles, es vital que los componentes puedan incorporarse al material y no simplemente agregarse a él”, explica Craciun.
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Con solo un átomo de espesor, el grafeno es la sustancia más delgada capaz de conducir electricidad. Es muy flexible y es uno de los materiales conocidos más fuerte. Los últimos años multitud de investigadores han emprendido la carrera para adaptar el grafeno para su uso en dispositivos electrónicos portátiles. Esta nueva investigación utiliza fibras de polipropileno existentes, que se utilizan de forma habitual en multitud de aplicaciones comerciales de la industria textil, para unir las nuevas fibras electrónicas de grafeno y crear sensores táctiles y dispositivos emisores de luz. Esta nueva técnica implica que las telas pueden incorporar pantallas verdaderamente portátiles sin la necesidad de electrodos y materiales adicionales de conexión.
El profesor Saverio Russo, coautor y del departamento de Física de la Universidad de Exeter, agregó: «La incorporación de dispositivos electrónicos en las telas es algo que los científicos han tratado de producir durante varios años y es un verdadero avance revolucionario para los modernos. tecnología.»
La Dra. Ana Neves, coautora y también del departamento de ingeniería de Exeter, concluye: «La clave de esta nueva técnica es que las fibras textiles son flexibles, cómodas y ligeras, al tiempo que son lo suficientemente duraderas para hacer frente a las demandas de la vida moderna».
Ya en el 2015, el equipo internacional de científicos, entre los que se incluyen la profesora Craciun, el profesor Russo y Ana Neves de la Universidad de Exeter, fueron pioneros en el desarrollo de una nueva técnica para integrar electrodos de grafeno transparentes y flexibles en fibras comunes de la industria textil.
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