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나노구조물리 연구단
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Reversible Switching Phenomenon in Diarylethene Molecular Devices with Reduced Graphene Oxide Electrodes on Flexible Substrates

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Title
Reversible Switching Phenomenon in Diarylethene Molecular Devices with Reduced Graphene Oxide Electrodes on Flexible Substrates
Author(s)
Dongku Kim; Hyunhak Jeong; Wang-Taek Hwang; Yeonsik Jang; Dmytro Sysoiev; Elke Scheer; Thomas Huhn; Misook Min; Hyoyoung Lee; Takhee Lee
Publication Date
2015-10
Journal
ADVANCED FUNCTIONAL MATERIALS, v.25, no.37, pp.5918 - 5923
Publisher
WILEY-V C H VERLAG GMBH
Abstract
Photoswitching molecular electronic devices with reduced graphene oxide (rGO) top electrodes on fl exible substrates are fabricated and characterized. It has been reported previously that diarylethene molecular devices with poly-(3,4-ethylenedioxythiophene) stabilized with poly-(4-styrenesulfonic acid)/Au top electrodes can hold two stable electrical conductance states when the devices are exposed to UV or visible light during device fabrication. However, those devices fail to show the reversible switching phenomenon in response to illumination after device fabrication. By employing conducting and transparent rGO top electrodes, it is demonstrated that the diarylethene molecular devices show a reversible switching phenomenon, i.e., the fabricated devices change their conductance state in response to the alternating illumination with UV and visible light. Furthermore, the molecular devices with rGO top electrodes also exhibit good longtime stability and reliable electrical characteristics when subjected to various mechanical stresses (bending radius down to 5 mm and bending cycle over 10 4 ).
URI
https://pr.ibs.re.kr/handle/8788114/1861
ISSN
1616-301X
Appears in Collections:
Center for Integrated Nanostructure Physics(나노구조물리 연구단) > Journal Papers (저널논문)
Files in This Item:
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