A series of phenylphosphonates, Zn1−xMnx(O3PC6H5)·H2O, where x = 0, 0.005, 0.25, 0.5, 0.75 and 1.0, has been prepared and their photoluminescence responses studied. The presence of Mn in the sample results in a red emission, whilst when x = 0 the emission is green. Levels of Mn <1 mol% result in an orange emission. Ag6(m-O3PC6H4CO2)2 has been prepared by hydrothermal reaction of Ag(NO3) and m-phosphonobenzoic acid. The material has a 1D channel structure in which the channels are lined with the phenyl groups. Ag6(m-O3PC6H4CO2)2 shows a green luminescence response to laser excitation, whilst the related Zn material, Zn3(m-O3PC6H4CO2)2, shows an unusual yellow emission.
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