Piezoelectric touch-sensitive flexible hybrid energy harvesting nanoarchitectures

被引:42
作者
Choi, Dukhyun [1 ,2 ]
Lee, Keun Young [3 ]
Lee, Kang Hyuck [3 ]
Kim, Eok Su [1 ]
Kim, Tae Sang [1 ]
Lee, Sang Yoon [1 ]
Kim, Sang-Woo [3 ,4 ]
Choi, Jae-Young [1 ]
Kim, Jong Min [1 ]
机构
[1] Samsung Adv Inst Technol, Yongin 446712, South Korea
[2] Kyung Hee Univ, Coll Engn, Dept Mech Engn, Gyeonggi Do 446701, South Korea
[3] Sungkyunkwan Univ, Sch Adv Mat Sci & Engn, Suwon 440746, South Korea
[4] Sungkyunkwan Univ, Ctr Human Interface Nanotechnol HINT, SKKU Adv Inst Nanotechnol SAINT, Suwon 440746, South Korea
关键词
SOLAR-CELLS; NANOGENERATORS;
D O I
10.1088/0957-4484/21/40/405503
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
In this work, we report a flexible hybrid nanoarchitecture that can be utilized as both an energy harvester and a touch sensor on a single platform without any cross-talk problems. Based on the electron transport and piezoelectric properties of a zinc oxide (ZnO) nanostructured thin film, a hybrid cell was designed and the total thickness was below 500 nm on a plastic substrate. Piezoelectric touch signals were demonstrated under independent and simultaneous operations with respect to photo-induced charges. Different levels of piezoelectric output signals from different magnitudes of touching pressures suggest new user-interface functions from our hybrid cell. From a signal controller, the decoupled performance of a hybrid cell as an energy harvester and a touch sensor was confirmed. Our hybrid approach does not require additional assembly processes for such multiplex systems of an energy harvester and a touch sensor since we utilize the coupled material properties of ZnO and output signal processing. Furthermore, the hybrid cell can provide a multi-type energy harvester by both solar and mechanical touching energies.
引用
收藏
页数:6
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