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¹MEMS, Microfluidics and Nanoelectronics (MMNE) Lab, Birla Institute of Technology and Science (BITS) Pilani, Hyderabad Campus, Hyderabad 500078, India.

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Summary

Researchers are developing self-powered flexible devices for sensing and monitoring. These integrate laser-patterned graphene, micro-reservoirs, and energy harvesting for standalone miniaturized systems.

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Area of Science:

Cyber-physical systems
Wearable electronics
Miniaturized devices

Background:

Advancements in cyber-physical systems drive demand for self-powered flexible and wearable devices.
Miniaturized devices require synergistic optimization of materials, electrodes, and detection mechanisms.
Laser-induced graphene offers a versatile platform for flexible device fabrication.

Purpose of the Study:

To showcase diversified work on developing integrated prototypes for sensing and monitoring.
To project the commercialization potential of self-powered flexible devices.
To explore novel fabrication methods for flexible electronic systems.

Main Methods:

Utilizing laser ablation to create graphene regions on various substrates (cloth, paper, polymers).
Integrating micro-reservoirs for analyte placement in flow-through or stationary phases.
Incorporating energy harvesting (fuel cell, solar) and supercapacitor-based energy storage.
Developing prototypes by integrating sensory, energy harvesting, energy storage, and IoT subsystems.

Main Results:

Demonstration of flexible devices with laser-ablated graphene and micro-reservoirs on diverse substrates.
Successful integration of energy harvesting and storage capabilities onto flexible platforms.
Development of prototype systems showcasing the potential for standalone, self-powered operation.

Conclusions:

Flexible, self-powered devices are achievable through synergistic integration of various subsystems.
Laser-induced graphene fabrication offers a scalable and adaptable method for creating these devices.
Significant commercialization potential exists for these integrated flexible sensing and monitoring platforms.