Composite metal material, preparation thereof and photocatalytic process using same
US6468498B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | May 25, 2001 |
| Grant date | Oct 22, 2002 |
| Priority date | — |
| Expiry date | May 25, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/36
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A composite metal material of formula (I) are stable and not deteriorated for a long time and have excellent activities in photolyzing water with visible light:x(A)y(B)z(C)-p(P)n(N)  (I)wherein, (A) is Pb(Mg1/3Nb2/3)O3 or Pb(Zn1/3Nb2/3)O3, (B) is PbTiO3, (C) is LiTaO3, (P) is a metal selected from the group consisting of Pt, Au, Ag, Pd and Rh, (N) is an oxide of a metal selected from the group consisting of Ni, Co, Fe, Sr, Sc, Ru, Cu and Cd, x is a number in the range of 0.65 to 0.98, y is a number in the range of 0.01 to 0.34, z is a number in the range of 0.01 to 0.1, and p and n are each independently a number in the range of 0.01 to 5.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.