Assertion: titanium dioxide | /r/HasProperty | applied in photocatalysis
Facets:
value: for environmental cleanup
type: PURPOSE
value: for solar cells
type: PURPOSE
value: widely
type: DEGREE
value: since
type: TEMPORAL
Source sentences:
text: Titanium dioxide (TiO 2 ) was discovered by Honda and Fujishima in the year 1971 and was first used for the photooxidation of water.1 TiO 2 has since been widely applied in photocatalysis for environmental cleanup, solar cells, clean H 2 energy production and antibacterial purposes.2