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Effect of solvent and PVP on electrode conductivity in laser-induced reduction process

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Abstract

Laser sintering process is a promising technique which can sinter an electrode pattern selectively without mask. In this study, metal oxide nanoparticle with several solvents and various molar ratio of polyvinylpyrrolidone (PVP) is prepared to optimize a fabrication of a copper electrode pattern. As a result, the solvent with exothermic heat flow and low absorption cross-section shows better pattern shape and higher conductivity in selective laser sintering. Additionally, PVP, a reductant, affects to the quality of electrode, too. High molar ratio and large amount of PVP make the laser sintering process window broad and the specific resistivity low.

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Acknowledgments

This research was supported by the Basic Science Research Program through the Research Foundation of Korea (NRF) and was funded by the Ministry of Science, ICT and Future Planning, (Grant No. 2012-010307).

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Authors and Affiliations

  1. Mechanical Engineering Department, Korea Advanced Institute of Science and Technology, 291 Daehak-ro, Yuseong-gu, Daejeon, 305-701, Republic of Korea

    Huseung Lee & Minyang Yang

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  1. Huseung Lee
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  2. Minyang Yang
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Correspondence to Minyang Yang.

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Lee, H., Yang, M. Effect of solvent and PVP on electrode conductivity in laser-induced reduction process. Appl. Phys. A 119, 317–323 (2015). https://doi.org/10.1007/s00339-014-8970-6

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  • DOI: https://doi.org/10.1007/s00339-014-8970-6

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