Sequential dichromatic-biphotonic photochemistry: a simple relationship of the intermediate lifetime with the delay between synthesizing and photolyzing pulses
Journal Article
·
· J. Phys. Chem.; (United States)
Sequential biphotonic processes in phthalocyanines, pc, have been investigated in irradiations with two trains of monochromatic pulses. The pulses of one train lambda = 640 nm, were used for the generation of (/sup 3/..pi pi..*)Al(pc)Cl. The pulses of the other lambda = 490 nm and delayed by 0 less than or equal to delta less than or equal to 2 ms with respect to the 640-nm pulses, were used for the photolysis of this state. A direct relationship between the yield of the biphotonic process and the delay time delta was found to be in agreement with a proposed mechanism for the dichromatic-biphotonic photochemistry. 9 references, 2 figures.
- Research Organization:
- Univ. of Notre Dame, IN
- OSTI ID:
- 6120811
- Journal Information:
- J. Phys. Chem.; (United States), Journal Name: J. Phys. Chem.; (United States) Vol. 88:18; ISSN JPCHA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400500* -- Photochemistry
ABSORPTION SPECTROSCOPY
CHEMICAL REACTIONS
CHEMISTRY
DATA
DECOMPOSITION
DYE LASERS
DYES
EXPERIMENTAL DATA
HETEROCYCLIC COMPOUNDS
INFORMATION
LASERS
LIQUID LASERS
NUMERICAL DATA
ORGANIC COMPOUNDS
PHOTOCHEMICAL REACTIONS
PHOTOCHEMISTRY
PHOTOLYSIS
PHOTOSYNTHESIS
PHTHALOCYANINES
PULSE TECHNIQUES
PULSES
REACTION INTERMEDIATES
SPECTROSCOPY
SYNTHESIS
TIME DEPENDENCE
400500* -- Photochemistry
ABSORPTION SPECTROSCOPY
CHEMICAL REACTIONS
CHEMISTRY
DATA
DECOMPOSITION
DYE LASERS
DYES
EXPERIMENTAL DATA
HETEROCYCLIC COMPOUNDS
INFORMATION
LASERS
LIQUID LASERS
NUMERICAL DATA
ORGANIC COMPOUNDS
PHOTOCHEMICAL REACTIONS
PHOTOCHEMISTRY
PHOTOLYSIS
PHOTOSYNTHESIS
PHTHALOCYANINES
PULSE TECHNIQUES
PULSES
REACTION INTERMEDIATES
SPECTROSCOPY
SYNTHESIS
TIME DEPENDENCE