Flexible and stretchable metal oxide nanofiber networks for multimodal and monolithically integrated wearable electronics
Abstract
Fiber-based electronics enabling lightweight and mechanically flexible/stretchable functions are desirable for numerous e-textile/e-skin optoelectronic applications. These wearable devices require low-cost manufacturing, high reliability, multifunctionality and long-term stability. Here, we report the preparation of representative classes of 3D-inorganic nanofiber network (FN) films by a blow-spinning technique, including semiconducting indium-gallium-zinc oxide (IGZO) and copper oxide, as well as conducting indium-tin oxide and copper metal. Specifically, thin-film transistors based on IGZO FN exhibit negligible performance degradation after one thousand bending cycles and exceptional room-temperature gas sensing performance. Owing to their great stretchability, these metal oxide FNs can be laminated/embedded on/into elastomers, yielding multifunctional single-sensing resistors as well as fully monolithically integrated e-skin devices. These can detect and differentiate multiple stimuli including analytes, light, strain, pressure, temperature, humidity, body movement, and respiratory functions. All of these FN-based devices exhibit excellent sensitivity, response time, and detection limits, making them promising candidates for versatile wearable electronics.
Document Details
- Document Type
- Pub Defense Publication
- Publication Date
- May 15, 2020
- Source ID
- 10.1038/s41467-020-16268-8
Entities
People
- Anish Thukral
- Antonio Facchetti
- Binghao Wang
- Cunjiang Yu
- Limei Liu
- Tobin J. Marks
- Wei Huang
- Xinan Zhang
- Xinge Yu
- Zhaoqian Xie
Organizations
- Air Force Office of Scientific Research
- National Science Foundation