Stretchable Carbon Nanotube Charge-Trap Floating-Gate Memory and Logic Devices for Wearable Electronics

Title
Stretchable Carbon Nanotube Charge-Trap Floating-Gate Memory and Logic Devices for Wearable Electronics
Authors
손동희구자훈송준걸김재민이민철심형준박민준이민백김지훈김대형
Keywords
carbon nanotubes; charge-trap floating-gate memory; logic gates; stretchable electronics; wearable electronics
Issue Date
2015-05
Publisher
ACS Nano
Citation
VOL 9, NO 5-5593
Abstract
Electronics for wearable applications require soft, flexible, and stretchable materials and designs to overcome the mechanical mismatch between the human body and devices. A key requirement for such wearable electronics is reliable operation with high performance and robustness during various deformations induced by motions. Here, we present materials and device design strategies for the core elements of wearable electronics, such as transistors, charge-trap floating-gate memory units, and various logic gates, with stretchable form factors. The use of semiconducting carbon nanotube networks designed for integration with charge traps and ultrathin dielectric layers meets the performance requirements as well as reliability, proven by detailed material and electrical characterizations using statistics. Serpentine interconnections and neutral mechanical plane layouts further enhance the deformability required for skin-based systems. Repetitive stretching tests and studies in mechanics corroborate the validity of the current approaches.
URI
http://pubs.kist.re.kr/handle/201004/67056
ISSN
1936-0851
Appears in Collections:
KIST Publication > Article
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