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Home / Science of Advanced Materials, Volume 9, Number 1

Surface Properties of Nano-Film Type Patterning Electrode on Flexible Substrate for Bending Test

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In this paper, surface properties of nano-film type patterning indium-tin-oxide (ITO) electrodes on polyethylene terephthalate (PET) substrates by pulsed laser ablation for bending test are investigated. Electrical characteristics of ITO electrodes on PET for 11,000 bending times are measured in real-time by using a flexible-characteristics inspection system. According to the results, change rates of electrical resistance of ITO patterns after 11,000 bending times with 0.5 and 1 bending curvatures are 0.94% and 2.82%, respectively. In addition, the surface properties of ITO electrodes on PET substrates for bending test are analyzed by scanning electron microscope and optical imaging profiler. According to the analysis, ITO electrodes on PET substrates for a large bending-curvature bending test are subjected to large stresses to become fractured and delaminated results in degradation of their conductive properties.

Keywords: BENDING CURVATURE; BENDING TEST; CHANGE-RATE OF ELECTRICAL RESISTANCE; FLEXIBLE-CHARACTERISTICS INSPECTION SYSTEM; PATTERNING INDIUM-TIN-OXIDE ELECTRODE ON POLYETHYLENE TEREPHTHALATE SUBSTRATE; PULSED LASER ABLATION

Document Type: Research Article

Publication date: 01 January 2017

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  • Science of Advanced Materials (SAM) is an interdisciplinary peer-reviewed journal consolidating research activities in all aspects of advanced materials in the fields of science, engineering and medicine into a single and unique reference source. SAM provides the means for materials scientists, chemists, physicists, biologists, engineers, ceramicists, metallurgists, theoreticians and technocrats to publish original research articles as reviews with author's photo and short biography, full research articles and communications of important new scientific and technological findings, encompassing the fundamental and applied research in all latest aspects of advanced materials.
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