Effect of temperature on the dark and photoconductivity of metal-free phthalocyanine
β Scribed by Loutfy, R. O.
- Publisher
- John Wiley and Sons
- Year
- 1981
- Tongue
- English
- Weight
- 602 KB
- Volume
- 65
- Category
- Article
- ISSN
- 0031-8965
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π SIMILAR VOLUMES
Four non-peripheral alkyloxy substituted metal-free phthalocyanines have been synthesized and characterized with X-ray crystal structure, IR, UV-vis and 1 H NMR. It is found that the center caves of Pc skeletons were expanded but their ring currents were reduced by the introduction of alkyloxy subst
## Abstract The effect of substituents on the position and intensity of the electronic absorption and fluorescence spectra of phthalocyanines (Pcs) was examined for 35 Pc compounds. When electronβreleasing groups are bound to four __Ξ±__βbenzo positions of the Pc skeleton, the B and Q bands shift to