Direct observation of polytungstate cluster and monolayer tungstate on zirconium oxide by high-resolution TEM

Satsuma A; Yokoi H; Nishiyama H; Kakimoto S; Sugaya S; Oshima T; Hattori T

Chemistry Letters, Vol.33, No.10, 1250-1251, 2004

DOI10.1246/cl.2004.1250 Export Citation

Direct observation of polytungstate cluster and monolayer tungstate on zirconium oxide by high-resolution TEM

Satsuma A, Yokoi H, Nishiyama H, Kakimoto S, Sugaya S, Oshima T, Hattori T

Direct observation of WO3/ZrO2 by using high-resolution TEM images revealed the formation of polytungstate cluster with a narrow size distribution ranging in 0.4-0.7 nm, and the agglomeration into monolayer tungstate after the aging at 1073 K for 100 h.