Statements (54)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:chemical_compound
|
| gptkbp:application |
gptkb:sensors
actuators energy-efficient buildings energy storage devices smart coatings smart windows phase change memory devices photonic switches thermal switches |
| gptkbp:casnumber |
1314-62-1
|
| gptkbp:characteristic |
reflective in visible range
transparent in infrared range |
| gptkbp:chemical_formula |
VO2
|
| gptkbp:color |
white to yellowish
from yellow to blue upon heating |
| gptkbp:cooling_system |
high
|
| gptkbp:discovered_by |
gptkb:H._H._Willard
|
| gptkbp:disproportionation_reaction |
2 VO2 → VO + V2 O5
|
| gptkbp:dissolved |
insoluble
soluble in concentrated sulfuric acid |
| gptkbp:electronic_band_gap |
0.7 e V
|
| gptkbp:has_field |
paramagnetic
|
| https://www.w3.org/2000/01/rdf-schema#label |
vanadium dioxide (VO2)
|
| gptkbp:mass |
65.38 g/mol
|
| gptkbp:material |
transition metal oxide
|
| gptkbp:melting_point |
1890 ° C
3400 ° C |
| gptkbp:notable_conductors |
insulator to metal transition
|
| gptkbp:occurs_naturally_in |
the mineral cambridgeite
|
| gptkbp:phase_transition_temperature |
68 ° C
|
| gptkbp:population_density |
4.25 g/cm³
|
| gptkbp:previous_name |
gptkb:vanadium(IV)_oxide
|
| gptkbp:related_products |
gptkb:vanadium_pentoxide_(V2_O5)
gptkb:vanadium_carbide_(VC) vanadium nitride (VN) vanadium trioxide (V2 O3) vanadium sulfide (VS2) |
| gptkbp:research_areas |
gptkb:nanotechnology
thermoelectric materials photonic devices smart materials |
| gptkbp:safety |
irritant to skin and eyes
toxic fumes when heated |
| gptkbp:solubility_in_bases |
soluble in sodium hydroxide
|
| gptkbp:structure |
monoclinic
|
| gptkbp:synthesis_methods |
sol-gel process
chemical vapor deposition hydrothermal synthesis |
| gptkbp:thermal_expansion |
high thermal expansion coefficient
|
| gptkbp:uses |
gptkb:smart_home_devices
thermochromic material |
| gptkbp:bfsParent |
gptkb:vanadium
|
| gptkbp:bfsLayer |
5
|