Abstract
A series of platinum meso-tetrakis [3-methyoxy-4-(N-carbazyl)n-alkyloxyphenyl]porphyrin (Pt-4Cn-TPP, n = 4, 6 and 8) are synthesized. Pt-4C4-TPP, Pt-4C6-TPP and Pt-4C8-TPP exhibit similar luminescent properties in solution and solid state. Three protonated platinum (II) porphyrins are assembled with mesoporous silica MCM-48, respectively, resulting in assembly materials Pt-4Cn-TPP4+/MCM-48 (n = 4, 6 and 8). The luminescent intensity of Pt-4Cn-TPP4+/MCM-48 can be extremely quenched by molecular oxygen with high sensitivity (I 0 II 100 > 9). The Stem-Volmer plots of these assembly materials display considerable linearity within a wide range of oxygen concentration (0 to 100%). The response time is all ⩽ 1 s and recovery time ⩽ 22 s for these assembly materials.
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Huo, C., Zhang, H., Guo, J. et al. Synthesis and assembly with mesoporous silica of platinum (II) porphyrin complexes bearing carbazyl groups: Luminescent and oxygen sensing properties. CHINESE SCI BULL 51, 2327–2334 (2006). https://doi.org/10.1007/s11434-006-2111-3
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DOI: https://doi.org/10.1007/s11434-006-2111-3