Tetraphenyl disiloxanediolate

Fig. 8. Photoluminescence excitation spectra of the stereoregular phenylcyclosiloxanes [PhSiO(OSiMc3)] where n = 4, 6, 8, and 12, together with the tetraphenyl-l,3-disiloxanediol, measured as solids (powder) at liquid nitrogen temperature, 7 = 77 K. Emission wavelength A = 505 nm, speetral bandwidth AA = I nm, edge filter (50% transmission at 495 nm). Legend D2 tetraphenyidisiloxanediol D4-DI2 - phenyleyelo-siloxane, ring sizes of n = 4-12.

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