Zn[5,10,15,20-tetrakis(1-methylpyridinium-3-yl)porphyrin]4+

excited state quenched by MV2+

Tran-Thi, T.H.; Koulkes-Pujo, A.M.; Mialocq, J.C.; Folcher, G.
Laser Chem. 5: 351-66 (1986)

Zn[5,10,15,20-tetrakis(1-methylpyridinium-3-yl)porphyrin]4+ quenched by MV2+ at conc. (2-50) x 10–4 mol L–1
Solvent : H2O

kq = 2.0 x 106(L mol–1 s–1)

Mechanism: oxidative electron transfer
Experimental methods: laser flash, absorption, single shot signal
Lifetime in the absence of quencher, air free = 1900 micro sec.
Comments: nonlinear Stern-Volmer plot at higher [Q]


Le Roux, D.; Mialocq, J.-C.; Anitoff, O.; Folcher, G.
J. Chem. Soc., Faraday Trans. 2 80: 909-20 (1984)

Zn[5,10,15,20-tetrakis(1-methylpyridinium-3-yl)porphyrin]4+ quenched by MV2+ at conc. (5-100) x 10–4 mol L–1
Solvent : H2O, ionic strength 0 (extrap'd)

kq = 1.0 x 106(L mol–1 s–1)

Mechanism: oxidative electron transfer
Experimental methods: laser flash, absorption, single shot signal
Lifetime in the absence of quencher, air free = 1800 micro sec.


Le Roux, D.; Mialocq, J.-C.; Anitoff, O.; Folcher, G.
J. Chem. Soc., Faraday Trans. 2 80: 909-20 (1984)

Zn[5,10,15,20-tetrakis(1-methylpyridinium-3-yl)porphyrin]4+ quenched by MV2+ at conc. 0.001 mol L–1
Solvent : H2O, ionic strength 0 (extrap'd, NaCl)

kq = 1.9 x 106(L mol–1 s–1)

Mechanism: oxidative electron transfer
Experimental methods: laser flash, absorption, single shot signal
Lifetime in the absence of quencher, air free = 1800 micro sec.


Le Roux, D.; Mialocq, J.-C.; Anitoff, O.; Folcher, G.
J. Chem. Soc., Faraday Trans. 2 80: 909-20 (1984)

Zn[5,10,15,20-tetrakis(1-methylpyridinium-3-yl)porphyrin]4+ quenched by MV2+ at conc. 0.001 mol L–1
Solvent : H2O, 0.01 mol/L NaCl

kq = 4.8 x 106(L mol–1 s–1)

Mechanism: oxidative electron transfer
Experimental methods: laser flash, absorption, single shot signal
Lifetime in the absence of quencher, air free = 1800 micro sec.


Le Roux, D.; Mialocq, J.-C.; Anitoff, O.; Folcher, G.
J. Chem. Soc., Faraday Trans. 2 80: 909-20 (1984)

Zn[5,10,15,20-tetrakis(1-methylpyridinium-3-yl)porphyrin]4+ quenched by MV2+ at conc. 0.001 mol L–1
Solvent : H2O, 0.02 mol/L NaCl

kq = 7.6 x 106(L mol–1 s–1)

Mechanism: oxidative electron transfer
Experimental methods: laser flash, absorption, single shot signal
Lifetime in the absence of quencher, air free = 1800 micro sec.


Le Roux, D.; Mialocq, J.-C.; Anitoff, O.; Folcher, G.
J. Chem. Soc., Faraday Trans. 2 80: 909-20 (1984)

Zn[5,10,15,20-tetrakis(1-methylpyridinium-3-yl)porphyrin]4+ quenched by MV2+ at conc. 0.001 mol L–1
Solvent : H2O, 0.05 mol/L NaCl

kq = 1.2 x 107(L mol–1 s–1)

Mechanism: oxidative electron transfer
Experimental methods: laser flash, absorption, single shot signal
Lifetime in the absence of quencher, air free = 1800 micro sec.


Le Roux, D.; Mialocq, J.-C.; Anitoff, O.; Folcher, G.
J. Chem. Soc., Faraday Trans. 2 80: 909-20 (1984)

Zn[5,10,15,20-tetrakis(1-methylpyridinium-3-yl)porphyrin]4+ quenched by MV2+ at conc. 0.001 mol L–1
Solvent : H2O, 0.08 mol/L NaCl

kq = 2.2 x 107(L mol–1 s–1)

Mechanism: oxidative electron transfer
Experimental methods: laser flash, absorption, single shot signal
Lifetime in the absence of quencher, air free = 1800 micro sec.


Le Roux, D.; Mialocq, J.-C.; Anitoff, O.; Folcher, G.
J. Chem. Soc., Faraday Trans. 2 80: 909-20 (1984)

Zn[5,10,15,20-tetrakis(1-methylpyridinium-3-yl)porphyrin]4+ quenched by MV2+ at conc. 0.001 mol L–1
Solvent : H2O, 0.1 mol/L NaCl

kq = 2.4 x 107(L mol–1 s–1)

Mechanism: oxidative electron transfer
Experimental methods: laser flash, absorption, single shot signal
Lifetime in the absence of quencher, air free = 1800 micro sec.


Tran-Thi, T.H.; Koulkes-Pujo, A.M.; Mialocq, J.C.; Folcher, G.
Laser Chem. 5: 351-66 (1986)

Zn[5,10,15,20-tetrakis(1-methylpyridinium-3-yl)porphyrin]4+ quenched by MV2+ at conc. (2-200) x 10–4 mol L–1
Solvent : H2O, 6% dextran

kq = 2.0 x 106(L mol–1 s–1)

Mechanism: oxidative electron transfer
Experimental methods: laser flash, absorption, single shot signal
Lifetime in the absence of quencher, air free = 850 micro sec.


Tran-Thi, T.H.; Koulkes-Pujo, A.M.; Mialocq, J.C.; Folcher, G.
Laser Chem. 5: 351-66 (1986)

Zn[5,10,15,20-tetrakis(1-methylpyridinium-3-yl)porphyrin]4+ quenched by MV2+ at conc. (2-200) x 10–4 mol L–1
Solvent : H2O, 20% dextran

kq = 1.4 x 106(L mol–1 s–1)

Mechanism: oxidative electron transfer
Experimental methods: laser flash, absorption, single shot signal
Lifetime in the absence of quencher, air free = 790 micro sec.


Tran-Thi, T.H.; Koulkes-Pujo, A.M.; Mialocq, J.C.; Folcher, G.
Laser Chem. 5: 351-66 (1986)

Zn[5,10,15,20-tetrakis(1-methylpyridinium-3-yl)porphyrin]4+ quenched by MV2+ at conc. (2-200) x 10–4 mol L–1
Solvent : H2O, 42% dextran

kq = 4.2 x 105(L mol–1 s–1)

Mechanism: oxidative electron transfer
Experimental methods: laser flash, absorption, single shot signal
Lifetime in the absence of quencher, air free = 1300 micro sec.


Tran-Thi, T.H.; Koulkes-Pujo, A.M.; Mialocq, J.C.; Folcher, G.
Laser Chem. 5: 351-66 (1986)

Zn[5,10,15,20-tetrakis(1-methylpyridinium-3-yl)porphyrin]4+ quenched by MV2+ at conc. (2-200) x 10–4 mol L–1
Solvent : H2O, 45% dextran

kq = 1.9 x 105(L mol–1 s–1)

Mechanism: oxidative electron transfer
Experimental methods: laser flash, absorption, single shot signal
Lifetime in the absence of quencher, air free = 1400 micro sec.


Tran-Thi, T.H.; Koulkes-Pujo, A.M.; Mialocq, J.C.; Folcher, G.
Laser Chem. 5: 351-66 (1986)

Zn[5,10,15,20-tetrakis(1-methylpyridinium-3-yl)porphyrin]4+ quenched by MV2+ at conc. (2-200) x 10–4 mol L–1
Solvent : H2O, 47% dextran

kq = 1.9 x 105(L mol–1 s–1)

Mechanism: oxidative electron transfer
Experimental methods: laser flash, absorption, single shot signal
Lifetime in the absence of quencher, air free = 1500 micro sec.


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