Citation: Vww. Yam et al., SYNTHESIS, PHOTOPHYSICAL, PHOTOCHEMICAL AND ELECTROCHEMICAL PROPERTIES OF RHENIUM(I) DIIMINE COMPLEXES WITH PHOTOISOMERIZABLE PYRIDYL-AZO, PYRIDYL-ETHENYL OR PYRIDYL-ETHYL LIGANDS, Journal of the Chemical Society. Dalton transactions, (9), 1998, pp. 1461-1468