Citation: Lin XU, En Bo WANG, Zhuang LI, Hong Yu ZHANG, Chao QIN. Ultrathin Multilayer Films Incorporating Keggin-type Heteropolyanion Clusters[J]. Chinese Chemical Letters, ;2001, 12(12): 1127-1130. shu

Ultrathin Multilayer Films Incorporating Keggin-type Heteropolyanion Clusters

Lin XU ^1, ,
En Bo WANG ¹ ,
Zhuang LI ² ,
Hong Yu ZHANG ¹ ,
Chao QIN ¹

1.
Department of Chemistry, Northeast Normal University, Changchun 130024;
2.
Changchun Institute of Applied Chemistry, Academia Sinica, Changchun 130022

Received Date: 2 April 2001

Fund Project: This project was financially supported by the National Natural Science Foundation of China (Grant No.29971006).

Two new ultrathin multiplayer films have been successfully prepared from Keggin-type heteropoly acids H₄[SiW₁₂O₄₀] and H₃[PMo₁₂0₄₀] with polyelectrolytes PEI, PSS, and PAH, using the electrostatic layer-by-layer self-assembly technique. The XR results reveal their film thickness at nanoscale (~20 nm). According to the AFM images, it is believed that the surface roughness (rough degree of film surface) of the polyelectrolyte-polyoxometalate film greatly depends on the kind of polyoxometalates.
- Materials,
- multiplayer,
- polyelectrolyte-polyoxometalate,
- layer-by-layer
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