Pyrolysis in air at 800°C of [{NP(OC12H10)}0.6{NP(OC6H4PPh2·(π-CH3C5H4)−Mn(CO)2)2}0.4] n (1) in the solid state affords product 2 containing nanoclusters of Mn2P2O7 with sizes ranging from 50 to 90 nm and averaging about 74 nm. The egg-shape of the unpyrolyzed organometallic polymer is retained but with increased particle size after pyrolysis. The pyrolytic material shows near-infrared photoluminescence attributed to the emission of tetrahedral Mn2+ embedded in a matrix of Mn2P2O7. The solid-state pyrolysis of organometallic derivatives of polyphosphazenes may be a useful and general route to nano-structured Mn2P2O7.
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The authors acknowledge financial support from FONDECYT under Project 1030515.
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An erratum to this article can be found at http://dx.doi.org/10.1007/s10904-007-9112-9
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Díaz, C., Valenzuela, M.L. Photoluminiscent Manganese Nanoparticles from Solid State Polyphosphazenes Organometallic Derivatives. J Inorg Organomet Polym 16, 123–128 (2006). https://doi.org/10.1007/s10904-006-9035-x
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DOI: https://doi.org/10.1007/s10904-006-9035-x