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학술지 Effect of Supersonic Spraying Impact Velocity on Opto-Electric Properties of Transparent Conducting Flexible Films Consisting of Silver Nanowire, ITO, and Polyimide Multilayers
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저자
김태건, 이종건, 박찬우, 조홍석, 김민우, Maikel F.A.M. van Hest, 조대형, 정용덕, 윤석구
발행일
201803
출처
Journal of Alloys and Compounds, v.739, pp.653-659
ISSN
0925-8388
출판사
Elsevier
DOI
https://dx.doi.org/10.1016/j.jallcom.2017.12.237
협약과제
17JB1600, 무독성 버퍼층을 갖는 다색 플렉서블 박막 태양전지 기술 개발, 정용덕
초록
We demonstrate the use of supersonic spraying for the deposition of silver nanowires (AgNWs) on a flexible polyimide (PI) substrate for the formation of transparent and conducting films (TCF) as an alternative to nonflexible ITO (indium tin oxide). The self-fused intersections of the NWs resulted in films with a low sheet resistance (Rs = 31 廓/sq) and fairly high transmittance (Tr = 92%) on a glass substrate. The effect of the impact speed of the supersonically sprayed AgNWs on the opto-electric properties of the flexible TCF was evaluated by varying the spray coating conditions. The fabricated films were characterized by X-ray diffraction analysis, atomic force microscopy, ultraviolet-visible spectroscopy, and scanning electron microscopy. Finally, cyclic bending tests were performed on the PI/AgNW films as well as PI/ZnO/indium tin oxide/AgNW films, and the changes in their electrical properties with bending were compared.
키워드
Flexible substrate, Self-fusion, Silver nanowires, Supersonic spray, Transparent conducting film
KSP 제안 키워드
Atomic force microscope(AFM), Cyclic bending tests, Deposition of silver, Flexible film, Flexible substrate, Glass substrate, High transmittance, Impact speed, Impact velocity, Scanning electron microscopy(S.E.M.), Silver nanowire(AgNW)