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~10 nm
20 nm
11.3 1.1 nm
~10 nm) (
200 nm
10-20 nm
3
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~10 nm
( /Ag > 60 mole/mole)
< 15%
( /Ag = 2 mole/mole)
(
H. Hiramatsu Chem. Mater. 16, 2509 (2004)
Y. Li J.Am.Chem.Soc. 127, 3266 (2004)
O
OAgI
O
O
AgI NNH2
H2
150 2Ag+ + C2O42– 2Ag0 + 2CO2
J. Nanoscience and Nanotechnology, 9, 6655-6660 (2009).
Ag0N
Ag0 N
H2
H2
2AgNO3 + H2C2O4 Ag2(C2O4) + 2HNO3
100%)
Ag = 1 1 mole/mole
2008-214695
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20 nm
11.3 1.1 nm
Ag0N
Ag0 N
H2
H2
100 100%
2009-100926
•
••
•
•
90-100%2009-100926
Scripta Materilia. 59, 649-652 (2008)
Chem.Mater. 16,2509-2511 (2004)
J. Am.Chem.Soc. 127, 3266-3267 (2005)
1 4.9 20 89.4/ nm
11.5 2.4
200 nm
10-20 nm
30-50 wt%
21 h
100 ~ 400 nm
PET
1 /
PET
(AFM
24
10-20 nm
100 5
12.5 m150 m
80%
0.4
(0)
Au
Ag Cu
11.9 1.4 nm9.8 1.4 nm
20 nm 20 nm
Ag L
Cu K + Ag L
Cu K
Ag-L
Cu-K10 nm
Analysis area
10nm
DF STEM C K
EDX
EDX line analysis
Distance / nm
Inte
nsity
/ co
unts
nm ( )
J. Nanoscience and Nanotechnology 9, 6655 (2009).
0.24 nm
2 nm
0.21 0.24 nm
0.24 nm
0.24 nm
Wavelength / nm Cu / Ag ratio (mol/mol)
Max
imal
wav
elen
gth
/ nm0% 50%
Cu
Abs
orba
nce
Cu/Ag 50 % mol/mol
100PET
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• 2009-100926••
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• 2009-219847••