scholarly journals Photoredox reaction of cobalticinium pentacarbonylmanganate(−I) induced by outer-sphere metal to metal charge transfer excitation

1989 ◽  
Vol 372 (3) ◽  
pp. C29-C32 ◽  
Author(s):  
Horst Kunkely ◽  
Arnd Vogler
Keyword(s):  
Charge Transfer ◽  
Outer Sphere ◽  
Metal Charge ◽  
Charge Transfer Excitation ◽  
Metal Charge Transfer

scholarly journals Notizen: Photoredox Reaction of [Hg(cyclam)]2+[Co(CO)4]⁻ Induced by Outer Sphere Charge Transfer Excitation

1993 ◽  
Vol 48 (3) ◽  
pp. 397-398 ◽  
Author(s):  
Horst Kunkely ◽  
Arnd Vogler
Keyword(s):  
Charge Transfer ◽  
Outer Sphere ◽  
Ion Pair ◽  
Metal Charge ◽  
Charge Transfer Excitation ◽  
Metal Charge Transfer

The ion pair [Hg(cyclam)]2+[Co(CO)4]- displays a Co(–I) to Hg(II) metal-to-metal charge transfer (MMCT) band at 288 nm. Upon MMCT excitation the ion pair undergoes a photoconversion to [HgCO2(CO)8].

Photolysis of Naphthol Green B in Aqueous Solution. Photoreduction of Fe(III) Induced by Ligand-to-Metal Charge Transfer Excitation

2003 ◽  
Vol 58 (9) ◽  
pp. 922-924 ◽  
Author(s):  
Horst Kunkely ◽  
Arnd Vogler
Keyword(s):  
Aqueous Solution ◽  
Charge Transfer ◽  
Quantum Yield ◽  
Metal Charge ◽  
Long Wavelength ◽  
Mlct Transition ◽  
Wavelength Absorption ◽  
Charge Transfer Excitation ◽  
Naphthol Green B ◽  
Metal Charge Transfer

The intense long-wavelength absorption of Naphthol Green B at λmax = 712 nm is assigned to a ligand-to-metal charge transfer (MLCT) transition. LMCT excitation of the complex in aqueous solution leads to the reduction of Fe(III) to Fe(II) with a quantum yield of ϕ = 1.14×10−3 at λirr = 577 nm.

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