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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한양대학교 청정에너지연구소 Journal of Ceramic Processing Research Journal of Ceramic Processing Research 제8권 제3호
- 발행연도
- 2007.6
- 수록면
- 195 - 198 (4page)
이용수
초록· 키워드
Nano-sized Ag metal particles can be synthesized by the addition of sodium borohydride as a reducing agent into an aqueous
solution of AgNO3 mixed with 3-mercapto-propionic acid as a protective agent. Using this method the synthesis of an aqueous
Ag colloid system with a high density became possible, because the surfaces of synthesized nano-sized Ag metal particles were
covered and protected by the adsorbed 3-mercapto-propionic acid. The strong electrostatic repulsion of the negative charge
of the carboxylate anion of the adsorbed 3-mercapto-propionic acid disturbed the aggregation of metal particles in the solution
with a high pH value (pH > 5), but the aggregation occurred in a solution of low pH value (pH < 2) because of the neutral
surface of particles. Using simple coating and baking processes with this aqueous Ag colloid system, an Ag membrane can be
formed on glass plate by the partial welding between the nano-size Ag particles. This Ag membrane exhibited a very low
electrical resistivity even after baking at a low temperature such as 423 K.
#nano-sized Ag particle
#nano-sized Ag particle
#Ag colloid mercapto-propionic acid
#Ag colloid mercapto-propionic acid
#Ag membrane
#Ag membrane
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