Solvent-tuned intramolecular charge-recombination rates in a conjugated donor-acceptor molecule
Journal Article
·
· Journal of Physical Chemistry; (USA)
- Jet Propulsion Lab., Pasadena, CA (USA)
The nonradiative charge-recombination rates from the charge-transfer state of a new conjugated donor-acceptor molecule (p-cyano-p{prime}-methylthiodiphenylacetylene) can be tuned over almost an order of magnitude by varying the polarity of the solvent. These measurements of intramolecular recombination show a turnover of rates as a function of emission energy, consistent with the normal and inverted behavior of Marcus theory. Steady-state spectra and time-resolved measurements allow us to quantitatively compare thermal and optical electron-transfer rates as a function of driving force and demonstrate their correspondence.
- OSTI ID:
- 6729784
- Journal Information:
- Journal of Physical Chemistry; (USA), Vol. 94:4; ISSN 0022-3654
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
37 INORGANIC
ORGANIC
PHYSICAL AND ANALYTICAL CHEMISTRY
ACETYLENE
PHOTOCHEMICAL REACTIONS
ALKYLATED AROMATICS
CALCULATION METHODS
CHARGE TRANSPORT
DATA ANALYSIS
ELECTRON TRANSFER
EXPERIMENTAL DATA
MEASURING INSTRUMENTS
MEASURING METHODS
SOLVENTS
ALKYNES
AROMATICS
CHEMICAL REACTIONS
DATA
HYDROCARBONS
INFORMATION
NUMERICAL DATA
ORGANIC COMPOUNDS
400500* - Photochemistry
ORGANIC
PHYSICAL AND ANALYTICAL CHEMISTRY
ACETYLENE
PHOTOCHEMICAL REACTIONS
ALKYLATED AROMATICS
CALCULATION METHODS
CHARGE TRANSPORT
DATA ANALYSIS
ELECTRON TRANSFER
EXPERIMENTAL DATA
MEASURING INSTRUMENTS
MEASURING METHODS
SOLVENTS
ALKYNES
AROMATICS
CHEMICAL REACTIONS
DATA
HYDROCARBONS
INFORMATION
NUMERICAL DATA
ORGANIC COMPOUNDS
400500* - Photochemistry