Water Soluble Nanodiamond
Water Soluble Nanodiamond Oleksandr Kuznetsov1, Yanqiu Sun2, Ryan Thaner2, Ariana Bratt2, Varun Shenoy3, Michael S. Wong3, John Jones4, and W. E. Billups2* 1
Department of Physics, Rice University, 6100 Main Street, Houston, Texas 77005
2
Department of Chemistry and The Richard E. Smalley Institute for Nanoscale Science
and Technology, Rice University, 6100 Main Street, Houston, Texas 77005 3
Department of Chemical and Biomolecular Engineering, Rice University, 6100 Main
Street, Houston, Texas 77005 4
Wright-Patterson AFB, Dayton, Ohio 45433
1
SI-1a-d. XPS Data C1s
C1s
a
b
O1s O1s
1000
800
600
400
200
1000
0
800
600
400
Binding Energy (eV) c
C1s
200
0
Binding Energy (eV) C1s
d
O1s
Na1s O1s Na1s
S2s
1000
800
600
400
200
1000
0
Binding Energy (eV)
800
600
400
200
0
Binging Energy (eV)
Figure SI-1. XPS survey analysis of (a) annealed nanodiamond 1, (b) carboxylated nanodiamond 2, (c) sodium salt of carboxylated nanodiamond 3, (d) sodium salt of phenyl sulfonated nanodiamond 6.
2
SI-2a-c. XPS Data
a
b
c
Figure SI-2. XPS high resolution analysis of (a) annealed nanodiamond 1, (b) sodium salt of carboxylated nanodiamond 3, (d) sodium salt of phenyl sulfonated nanodiamond 6.
3
SI-3. TEM image
Figure SI-3. High resolution transmission electron microscopy image of water soluble nanodiamond 5 showing fringes.
4
Department of Physics, Rice University, 6100 Main Street, Houston, Texas 77005
2
Department of Chemistry and The Richard E. Smalley Institute for Nanoscale Science
and Technology, Rice University, 6100 Main Street, Houston, Texas 77005 3
Department of Chemical and Biomolecular Engineering, Rice University, 6100 Main
Street, Houston, Texas 77005 4
Wright-Patterson AFB, Dayton, Ohio 45433
1
SI-1a-d. XPS Data C1s
C1s
a
b
O1s O1s
1000
800
600
400
200
1000
0
800
600
400
Binding Energy (eV) c
C1s
200
0
Binding Energy (eV) C1s
d
O1s
Na1s O1s Na1s
S2s
1000
800
600
400
200
1000
0
Binding Energy (eV)
800
600
400
200
0
Binging Energy (eV)
Figure SI-1. XPS survey analysis of (a) annealed nanodiamond 1, (b) carboxylated nanodiamond 2, (c) sodium salt of carboxylated nanodiamond 3, (d) sodium salt of phenyl sulfonated nanodiamond 6.
2
SI-2a-c. XPS Data
a
b
c
Figure SI-2. XPS high resolution analysis of (a) annealed nanodiamond 1, (b) sodium salt of carboxylated nanodiamond 3, (d) sodium salt of phenyl sulfonated nanodiamond 6.
3
SI-3. TEM image
Figure SI-3. High resolution transmission electron microscopy image of water soluble nanodiamond 5 showing fringes.
4
