Patent ID: 8501269

Claim:
A composition for use in producing a gas sensitive material with high efficiency and fast response, said composition comprising: —SnO 2 — nanocrystals doped with —In 2 O 3 — and a solution of a salt of a platinum group metal, wherein said salt of a platinum group metal is a Pd salt selected from the group comprising (ethylenediamine)palladium(II) chloride Pd(H 2 NCH 2 CH 2 NH 2 )Cl 2 , ammonium tetrachloropalladate(II) (NH 4 ) 2 PdCl 4 , Bis(acetonitrile)dichloropalladium(II) PdCl 2 .(CH 3 CN) 2 , Bis(benzonitrile)palladium(II) chloride (C 6 H 5 CN) 2 PdCl 2 , (2-methylallyl)palladium(II) chloride dimer [(C 4 H 7 )PdCl] 2 , and combinations thereof.