Chemistry: electrical and wave energy – Processes and products – Processes of treating materials by wave energy
Patent
1978-08-03
1979-09-25
Williams, Howard S.
Chemistry: electrical and wave energy
Processes and products
Processes of treating materials by wave energy
204158R, 204162R, B01J 110
Patent
active
041690303
ABSTRACT:
A complex ion containing rhodium, Rh.sub.2 (1,3-diisocyanopropane).sub.4.sup.2+ is called "rhodium bridge." Because of the nature of its molecular structure, it is deep blue in water solution. Irradiation of the blue complex between 500 and 600 nm leads to direct reduction of the protons in water to hydrogen gas. In this reaction rhodium bridge is converted to a yellow form, in which each of the two rhodiums has lost one electron. The H.sub.2 -producing visible photoreaction of rhodium bridge can be utilized in a solar-driven water splitting cycle.
REFERENCES:
patent: 3154586 (1964-10-01), Bander et al.
C & E N (Aug. 1, 1977), pp. 15 & 16.
Gray Harry B.
Lewis Nathan
Mann Kent
California Institute of Technology
Jacobs Marvin E.
Williams Howard S.
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