Systems of organic photon-gated photochemical hole burning
Acceptor
Spectral hole burning
DOI:
10.1364/josab.9.000800
Publication Date:
2008-11-13T14:57:37Z
AUTHORS (13)
ABSTRACT
We report a new series of organic systems for photon-gated photochemical hole burning by donor–acceptor electron transfer at 4.2 K. The donor molecules (RZT) are meso-tetraaryl derivatives zinc-tetrabenzoporphyrin: the aryls phenyl (PZT), p-tolyl (TZT), and α-naphthayl (NZT), respectively. acceptor can be one several aromatic cyanides (AC's), e.g., dicyanobenzene, cyanonaphthalene, or cyanoanthracene. These have an inhomogeneously broadened optical transition centered 627 nm with FWHM that varies from 330 to 390 cm−1 depending on concentration in polymethyl methacry-late (PMMA) matrix. RZT–AC–PMMA exhibit typical spectral hole-burning characteristics, multiple gated holes easily burned.
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