Reaction of Zinc Phthalocyanine Excited States with Amines in Cationic Micelles

Langmuir ◽  
1996 ◽  
Vol 12 (12) ◽  
pp. 2932-2938 ◽  
Author(s):  
Marta E. Daraio ◽  
Axel Völker ◽  
Pedro F. Aramendía ◽  
Enrique San Román
Keyword(s):  
Excited States ◽  
Zinc Phthalocyanine ◽  
Cationic Micelles

scholarly journals Ground and excited states of zinc phthalocyanine, zinc tetrabenzoporphyrin, and azaporphyrin analogs using DFT and TDDFT with Franck-Condon analysis

2015 ◽  
Vol 142 (9) ◽  
pp. 094310 ◽  
Author(s):  
Rebekah F. Theisen ◽  
Liang Huang ◽  
Tyler Fleetham ◽  
James B. Adams ◽  
Jian Li
Keyword(s):  
Excited States ◽  
Zinc Phthalocyanine ◽  
Franck Condon

Synthesis and photophysical properties of covalent conjugates of aqua platinum(II) and octacarboxy-substituted zinc phthalocyanine

2012 ◽  
Vol 16 (11) ◽  
pp. 1217-1224 ◽  
Author(s):  
Roman A. Bulgakov ◽  
Nina A. Kuznetsova ◽  
Olga V. Dolotova ◽  
Ludmila I. Solovieva ◽  
John Mack ◽  
...  
Keyword(s):  
Singlet Oxygen ◽  
Excited States ◽  
Photophysical Properties ◽  
Zinc Phthalocyanine ◽  
Limited Effect ◽  
Oxygen Formation ◽  
Dual Action ◽  
Photochemical Properties ◽  
Triplet Excited States ◽  
Covalent Conjugates

New covalent conjugates of aqua platinum(II) and octacarboxy-substituted zinc phthalocyanine, bearing one, two, three and four aqua platinum moieties on the periphery of the Pc ligand have been synthesized and characterized. The effect of the stepwise introduction of the aqua platinums on the photophysical and photochemical properties of these compounds has been investigated in dimethylsulfoxide solution. It has been found that aqua platinum moieties have only a limited effect on the dynamics of the singlet and triplet excited states, on the ability to sensitize singlet oxygen formation and on the photostability. Each conjugate has a high singlet oxygen quantum yield (ΦΔ 0.51–0.62) and thus retains potential for use as a dual action anticancer drugs by acting as a sensitizer for PDT in addition to the likely chemotherapeutic effects of the Pt(II) complexes.

Design, synthesis and photophysical studies of phenylethynyl-bridged phthalocyanine-fullerene dyads

2015 ◽  
Vol 19 (08) ◽  
pp. 934-945 ◽  
Author(s):  
Jaro Arero ◽  
Gerdenis Kodis ◽  
Robert A. Schmitz ◽  
Dalvin D. Méndez-Hernández ◽  
Thomas A. Moore ◽  
...  
Keyword(s):  
Excited States ◽  
Ground State ◽  
Photoinduced Electron Transfer ◽  
Spectroscopic Properties ◽  
Zinc Phthalocyanine ◽  
Triplet States ◽  
Free Base ◽  
Design Synthesis ◽  
Photophysical Studies ◽  
A Charge

A zinc and a free base phthalocyanine-fulleropyrrolidine dyad in which the chromophores are linked by a phenylethynyl group have been prepared using a new synthetic route, and their photoelectrochemical properties have been investigated. The zinc dyad is readily soluble in a variety of solvents, and its spectroscopic properties have been determined in toluene and benzonitrile. In toluene, excitation of the zinc phthalocyanine is followed by rapid establishment of an equilibrium between the phthalocyanine and fullerene excited states. These excited states decay mainly to the ground state and the respective triplet states. The fullerene triplet then transfers its energy to form the phthalocyanine triplet. About 20% of the phthalocyanine excited states lead to formation of a charge-separated state. In benzonitrile, the same decay pathways are observed, but photoinduced electron transfer is much faster, and generates the charge separated state with a quantum yield of ≥85%. The charge separated state has a lifetime of 2.8 ns in toluene and 94 ps in benzonitrile.

scholarly journals A DFT analysis of the ground and charge-transfer excited states of Sc3N@Ih–C80 fullerene coupled with metal-free and zinc-phthalocyanine

2018 ◽  
Vol 20 (40) ◽  
pp. 25841-25848 ◽  
Author(s):  
Fatemeh Amerikheirabadi ◽  
Carlos Diaz ◽  
Neetha Mohan ◽  
Rajendra R. Zope ◽  
Tunna Baruah
Keyword(s):  
Charge Transfer ◽  
Dft Calculations ◽  
Excited States ◽  
Zinc Phthalocyanine ◽  
Metal Free ◽  
Donor Acceptor

Ground and charge transfer excited states of two co-facial donor–acceptor conjugates formed by noncovalent coupling of Sc3N@–C80 with H2Pc and ZnPc chromophores are investigated using DFT calculations.

Vuv Spectra Y to Mo

1988 ◽  
Vol 102 ◽  
pp. 239
Author(s):  
M.S.Z. Chaghtai
Keyword(s):  
Excited States ◽  
Spectral Analyses ◽  
Vuv Spectra

Using R.D. Cowan’s computations (1979) and parametric calculations of Meinders et al (1982), old analyses are thoroughly revised and extended at Aligarh, of Zr III by Khan et al (1981), of Nb IV by Shujauddin et Chaghtai (1985), of Mo V by Tauheed at al (1985). Cabeza et al (1986) confirmed the last one largely.Extensive studies have been reported of the 1–e spectra, Zr IV (Rahimullah et al 1980; Acquista and Reader 1980), Nb V (Shujauddin et al 1982; Kagan et al 1981) and Mo VI (Edlén et al 1985). Some interacting 4p54d2levels of these spectra have been reported from our laboratory, also.Detailed spectral analyses of transitions between excited states have furnished complete energy values for J ≠ 1 levels of these spectra during 1970s and 80s. Shujauddin et al (1982) have worked out Nb VI and Tauheed et al (1984) Mo VII from our lab, while Khan et al (1981) share the work on Zr V with Reader and Acquista (1979).

Excited states of nuclei in -coupling

Physica ◽  
1952 ◽  
Vol 18 (2) ◽  
pp. 1101-1104
Author(s):  
B FLOWERS
Keyword(s):  
Excited States

ACCESS OF EXCITED STATES TO THE CONTINUUM

1985 ◽  
Vol 46 (C7) ◽  
pp. C7-409-C7-412 ◽  
Author(s):  
C. K. Jørgensen
Keyword(s):  
Excited States ◽  
The Continuum

GIANT RESONANCES BUILT ON HIGHLY EXCITED STATES

1984 ◽  
Vol 45 (C4) ◽  
pp. C4-337-C4-350 ◽  
Author(s):  
K. A. Snover
Keyword(s):  
Excited States ◽  
Giant Resonances
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