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Fully flexible and transparent piezoelectric touch sensors based on ZnO nanowires and BaTiO3-added SiO2 capping layers
- Authors
- Kang, MoolKyul; Park, Jae Hyun; Lee, Kyoung Il; Cho, Jin Woo; Bae, Joonho; Ju, Byeong Kwon; Lee, Churl Seung
- Issue Date
- 9월-2015
- Publisher
- WILEY-V C H VERLAG GMBH
- Keywords
- BaTiO3; capping layers; flexible devices; nanowires; optical transparency; piezoelectric properties; touch sensors; ZnO
- Citation
- PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE, v.212, no.9, pp.2005 - 2011
- Indexed
- SCIE
SCOPUS
- Volume
- 212
- Number
- 9
- Start Page
- 2005
- End Page
- 2011
- ISSN
- 1862-6300
- Abstract
- We report on fully flexible and transparent piezoelectric touch sensors based on Zno nanowires (NWS). Their piezoelectric properties are further enchanced by incorporating BaTiO3 into the capping layer on nanowires. Felexibilty is improved by a highly transparent carbon nanotubes silver nanowires demonstrates a large increase of the output voltage (similar to 3.3 V) from the touch sensor compared to the voltage (similar to 50 mV). Mechanical bending tests reveal that the BaTiO3-added capping layer did not show significant degradation in change of resistance. Our results suggest that the piezoelectr5ic touch sensors are promising for next-generation flexible touch sensors, wearable, and rollable touch panels. (C) 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
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