Solar energy storage reactions involving polynuclear rhodium isocyanide complexes. Flash photolysis studies in aqueous sulfuric acid solutions

Vincent M. Miskowski, I. S. Sigal, Kent R. Mann, Harry B. Gray, Steven J. Milder, George S. Hammond, P. Ray Ryason

Research output: Contribution to journalArticlepeer-review

56 Scopus citations

Abstract

We have recently reported that 546-nm irradiation of solutions of the binuclear Rh(I) complex Rh2(bridge)4 2+(bridge = 1,3-diisocyanopropane) in concentrated HX(aq) results in clean conversion to H2and Rh2(bridge)4X2 2+(X = Cl, Br).2Since these reactions are driven by visible photons, they represent one way of achieving conversion of solar to chemical energy. Recent work in our laboratory has shown that a thermal reaction between Rh2(bridge)4 2+and HCI generates a blue photoactive species, [Rh2(bridge)4Cl2+]n,and hydrogen. Irradiation of [Rh2(bridge)4Cl2+]nproduces the ultimate products, according to the following scheme.

Original languageEnglish (US)
Pages (from-to)4383-4385
Number of pages3
JournalJournal of the American Chemical Society
Volume101
Issue number15
DOIs
StatePublished - Jul 1 1979

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