TY - JOUR
T1 - Microwave-assisted polyol synthesis of Ag powders
AU - Katsuki, Hiroaki
AU - Komarneni, Sridhar
N1 - Funding Information:
Part of this study was financially supported by The Kazuchika Okura Memorial Foundation in 2001 and Saga Ceramics Research Laboratory. Komarneni was supported by the Metals Program, Division of Materials Research, National Science Foundation, under Grant No. DMR-0096527.
PY - 2003/4
Y1 - 2003/4
N2 - Silver metal powders were prepared through reduction of AgNO3 in ethylene glycol using microwave-polyol (M-P) and conventional-polyol (C-P) reactions at 100-200 °C. Powders of Ag were rapidly produced by microwave-assisted reaction at temperatures above 160 °C. The formation yield of Ag powders from AgNO3 reached 97.8% after treatment for 135 min at 140 °C and 98.6% after treatment for 23 min at 160 °C. Compared to the formation of Ag powders using a C-P reaction, a M-P reaction led to increased rate of formation by 6.5 times at 160 °C, 5.2 times at 140 °C, and 3 times at 130 °C. Silver particles of 0.3-2 μm in diameter were produced using M-P and C-P reactions at 100-120 °C. The particle size of Ag powders increased with increasing reaction temperatures and times, and particles strongly aggregated at 160 °C using C-P and M-P reactions.
AB - Silver metal powders were prepared through reduction of AgNO3 in ethylene glycol using microwave-polyol (M-P) and conventional-polyol (C-P) reactions at 100-200 °C. Powders of Ag were rapidly produced by microwave-assisted reaction at temperatures above 160 °C. The formation yield of Ag powders from AgNO3 reached 97.8% after treatment for 135 min at 140 °C and 98.6% after treatment for 23 min at 160 °C. Compared to the formation of Ag powders using a C-P reaction, a M-P reaction led to increased rate of formation by 6.5 times at 160 °C, 5.2 times at 140 °C, and 3 times at 130 °C. Silver particles of 0.3-2 μm in diameter were produced using M-P and C-P reactions at 100-120 °C. The particle size of Ag powders increased with increasing reaction temperatures and times, and particles strongly aggregated at 160 °C using C-P and M-P reactions.
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U2 - 10.1557/JMR.2003.0101
DO - 10.1557/JMR.2003.0101
M3 - Article
AN - SCOPUS:0037662179
SN - 0884-2914
VL - 18
SP - 747
EP - 750
JO - Journal of Materials Research
JF - Journal of Materials Research
IS - 4
ER -