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- W2131282249 abstract "We report the quantum yields for singlet oxygen production by a series of porphyrazines (pz) of the form M[pz(An;B4-n)] (Scheme 1), where the peripheral substituent A is [S-R]2 with R = (CH2CH2O)3H, B is a fused alpha,alpha'-dialkoxybenzo group and M = 2H, Mg or Zn. These compounds show intense near-IR absorbance/emission (longest wavelength emission, approximately 830 nm). Their solubilities vary with R, whereas their optical properties do not. We show that singlet oxygen sensitization by these luminescent compounds can be tuned from essentially off to on by varying n and selection among M = 2H, Mg or Zn. The quantum yields vary ca 60-fold within the set of compounds studied, from phidelta = 0.007 for compound 3 to phidelta = approximately 0.4 for compound 11." @default.
- W2131282249 created "2016-06-24" @default.
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- W2131282249 date "2003-01-01" @default.
- W2131282249 modified "2023-10-15" @default.
- W2131282249 title "Tuning the Singlet Oxygen Quantum Yield of Near-IR–absorbing Porphyrazines¶" @default.
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- W2131282249 doi "https://doi.org/10.1562/0031-8655(2003)077<0018:ttsoqy>2.0.co;2" @default.
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