Phthalonaphthalocyanines: new far-red dyes for spectral hole burning
I Renge, H Wolleb, H Spahni…
Index: Renge, Indrek; Wolleb, Heinz; Spahni, Heinz; Wild, Urs P. Journal of Physical Chemistry A, 1997 , vol. 101, # 35 p. 6202 - 6213
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Citation Number: 43
Abstract
Mixed phthalocyanines carrying one anthracene (Pc3An) or substituted naphthalene nucleus (Pc3NcR2, R= H, OCH3, or SC12H25) are proposed as low-temperature photochroms for spectral hole burning. Solubility of these compounds in polymers was greatly enhanced by introducing the 2, 4-dimethyl-3-pentoxy substituent to the remaining three benzopyrrolic fragments. The wavelengths and intensities of the Q transitions (S1 ...
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