JST

~10 nm

20 nm

11.3 1.1 nm

~10 nm) (

200 nm

10-20 nm

3

X

X

X

XX X

XX

X

XX

X

XX

XX

X

X

X

XX X

XX

X

XX

X

XX

XX

X

X

X

XX X

XX

X

XX

X

XX

XX

X

X

X

XX X

XX

X

XX

X

XX

XX

X

X

X

XX X

XX

X

XX

X

XX

XX

~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

X

X

X

XX X

XX

X

XX

X

XX

XX

X

X

X

XX X

XX

X

XX

X

XX

XX

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

••

•

••

•

•

•

•

•

• 2009-100926••

•

• 2009-219847••