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ISSN : 1225-0562(Print)
ISSN : 2287-7258(Online)
Korean Journal of Materials Research Vol.29 No.1 pp.37-42

Fabrication and Characterization of Silver Copper(I) Oxide Nanoparticles for a Conductive Paste

Seung Woo Park1,2, Jae Hong Son1, Sang Bo Sim1, Yeon Bin Choi2, Dong Sik Bae2†
1ChangSung Nanotech. Co., Ltd, Kimhae 50969, Republic of Korea
2School of Nano & Advanced Materials Engineering, Changwon National University, Changwon 51140, Republic of Korea
Corresponding author
E-Mail : (D. S. Bae, Changwon Nat'l Univ.)


This study investigates Ag coated Cu2O nanoparticles that are produced with a changing molar ratio of Ag and Cu2O. The results of XRD analysis reveal that each nanoparticle has a diffraction pattern peculiar to Ag and Cu2O determination, and SEM image analysis confirms that Ag is partially coated on the surface of Cu2O nanoparticles. The conductive paste with Ag coated Cu2O nanoparticles approaches the specific resistance of 6.4 Ω·cm for silver paste(SP) as (Ag) /(Cu2O) the molar ratio increases. The paste(containing 70 % content and average a 100 nm particle size for the silver nanoparticles) for commercial use for mounting with a fine line width of 100 μm or less has a surface resistance of 5 to 20 μΩ·cm, while in this research an Ag coated Cu2O paste has a larger surface resistance, which is disadvantageous. Its performance deteriorates as a material required for application of a fine line width electrode for a touch panel. A touch panel module that utilizes a nano imprinting technique of 10 μm or less is expected to be used as an electrode material for electric and electronic parts where large precision(mounting with fine line width) is not required.

은이 코팅된 Copper(I) Oxide 나노 입자 및 도전성 페이스트의 제조 특성

박승우1,2, 손재홍1, 심상보1, 최연빈2, 배동식2†
1창성나노텍㈜,2국립 창원대학교 신소재공학과