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Nanocrystals
MoS2 - crystalline
Nanocrystals
MoS2 - crystalline
stuff w/ Li to get LiMoS2
Nanocrystals
MoS2 - crystalline
stuff w/ Li to get LiMoS2
Severely disrupts structure
Local structure well-defined, poor long range order
Nanocrystals
MoS2 - crystalline
stuff w/ Li to get LiMoS2
Severely disrupts structure
Local structure well-defined, poor long range order
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Nanocrystals
Lots of structure, but
broad peaks, overlap
PDF oscillations die out
Nanocrystals
MoS2
Best structure model for
LiMoS2 (Li not shown, Mo
dark)
Mo-S trigonal prisms ––>
distorted octahedra
Nanocrystals
LiMoO2 similar to LiMoS2
except not nanocrystalline
Std crystal structure detn
carried out "successfully"
"PDF test" applied
(radial distrib fcn shown)
Nanocrystals
LiMoO2 similar to LiMoS2
except not nanocrystalline
Std crystal structure detn
carried out "successfully"
"PDF test" applied
(radial distrib fcn shown)
Corrected structure
Mo-Mo bonding
similar to Li MoS2
Nanocrystals
V2O5•nH2O xerogel
ribbon-like particles - approx. 100 Å wide x 1  long
No Bragg peaks - some sharp features + lots of diffuse scattering
Nanocrystals
V2O5•nH2O xerogel
ribbon-like particles - approx. 100 Å wide x 1  long
No Bragg peaks - some sharp features + lots of diffuse scattering
V2O5•nH2O
xerogel
V2O5
Nanocrystals
V2O5•nH2O xerogel
ribbon-like particles - approx. 100 Å wide x 1  long
No Bragg peaks - some sharp features + lots of diffuse scattering
V2O5•nH2O xerogel - VO5 bilayers approx. 11.5 Å apart w/
H2Os in betwn
Stacking disorder in VO5 bilayers
Ribbons curled & tangled
V2O5 - ordered single
layers of VO5 units
QCs
QCs
QCs
QCs