Photophysical studies of triplet exciton processes in pure polymer films. Technical progress report, July 28, 1984-February 15, 1985
Technical Report
·
OSTI ID:6033710
The major objective of the work being carried out on this project is the reliable determination of the speed and migratory range of triplet excitons in pure polymer films. To achieve this objective, the work has been partitioned into two broadly defined subdivisions. These involve the development of experimental methods on the one hand and the determination of suitable polymer substrates on the other. Under the heading of methods development, the most important one is the project involving high intensity laser excitation followed by transient absorption. A system based on an XeCl excimer laser has been constructed and tested on a monomeric system 1,2-benzanthracene (BNZ). A second method being investigated involves the preparation of polymers having terminal groups specifically tailored for energy absorption at one end, energy emission at the other end and triplet exciton conduction between the two. Several polystyrene samples having terminal acetophenone-like units (the unique absorber) and naphthalene units (the emitter) have been prepared and are currently under study. A third area of study involving methods is associated with the kinetics of inter-versus intramolecular exciton migration in polymer solutions.
- Research Organization:
- Nevada Univ., Reno (USA)
- DOE Contract Number:
- FC08-84ER45107
- OSTI ID:
- 6033710
- Report Number(s):
- DOE/ER/45107-1; ON: DE85008571
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400301* -- Organic Chemistry-- Chemical & Physicochemical Properties-- (-1987)
AROMATICS
AZAARENES
AZOLES
BENZANTHRACENE
CARBAZOLES
CHLORIDES
CHLORINE COMPOUNDS
CONDENSED AROMATICS
DATA
EMISSION SPECTROSCOPY
EXCITONS
EXPERIMENTAL DATA
FLUORESCENCE
HALIDES
HALOGEN COMPOUNDS
HETEROCYCLIC COMPOUNDS
HYDROCARBONS
INFORMATION
LASERS
LOW TEMPERATURE
LUMINESCENCE
MEDIUM TEMPERATURE
MULTIPLETS
NUMERICAL DATA
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
ORGANIC POLYMERS
PHOSPHORESCENCE
POLYMERS
POLYVINYLS
QUASI PARTICLES
RARE GAS COMPOUNDS
SPECTROSCOPY
TRIPLETS
XENON CHLORIDES
XENON COMPOUNDS
400301* -- Organic Chemistry-- Chemical & Physicochemical Properties-- (-1987)
AROMATICS
AZAARENES
AZOLES
BENZANTHRACENE
CARBAZOLES
CHLORIDES
CHLORINE COMPOUNDS
CONDENSED AROMATICS
DATA
EMISSION SPECTROSCOPY
EXCITONS
EXPERIMENTAL DATA
FLUORESCENCE
HALIDES
HALOGEN COMPOUNDS
HETEROCYCLIC COMPOUNDS
HYDROCARBONS
INFORMATION
LASERS
LOW TEMPERATURE
LUMINESCENCE
MEDIUM TEMPERATURE
MULTIPLETS
NUMERICAL DATA
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
ORGANIC POLYMERS
PHOSPHORESCENCE
POLYMERS
POLYVINYLS
QUASI PARTICLES
RARE GAS COMPOUNDS
SPECTROSCOPY
TRIPLETS
XENON CHLORIDES
XENON COMPOUNDS