@inproceedings{ac6375ce241d4e35a5ec0b3e5506e746,
title = "Flexible nanogenerators for self-powered touch and light sensor applications",
abstract = "Here we report a flexible piezoelectric nanodevices (nanogenerators) that can be utilized as both a touch sensor and a light sensor on a single platform. Based on the electron transporting and piezoelectric properties of ZnO, nanogenerators with a ZnO/conjugated polymer stacked structure was designed on a plastic substrate. Piezoelectric touch signals were demonstrated under independent and simultaneous operations with respect to photo-induced charges (photodetection). Different levels of piezoelectric output signals from different magnitude of touching pressures suggest new user-interface functions from our hybrid nanogenerators. From a signal controller, the decoupled performance of a hybrid nanogenerator as a touch sensor and a light sensor was confirmed. Our hybrid approach does not require additional assembling processes for such multiplex systems of a touch sensor and a light sensor since we utilize the coupled material properties of ZnO and output signal processing. Moreover, it should be noted that the hybrid nanogenerator can be operated in a self-powered mode without any power supply.",
author = "Lee, {Keun Young} and Dukhyun Choi and Choi, {Jae Young} and Kim, {Sang Woo}",
year = "2011",
doi = "10.1117/12.872900",
language = "English",
isbn = "9780819484826",
series = "Proceedings of SPIE - The International Society for Optical Engineering",
booktitle = "Quantum Sensing and Nanophotonic Devices VIII",
note = "Quantum Sensing and Nanophotonic Devices VIII ; Conference date: 23-01-2011 Through 27-01-2011",
}