Studies of Supersensitization by Tetraazaindenols Relative Quantum Yield of Spectral Sensitization and Immersion Treatment
Studies have been made on the mechanism of the sensitizing effect (supersensitization) of tetraazaindenols for spectrally sensitized and sulfur-sensitized AgBr emulsions. The sensitization by a tetraazaindenol was observable only when the tetraazaindenol was introduced into emulsions before their ex...
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| Published in | Journal of The Society of Photographic Science and Technology of Japan Vol. 41; no. 5; pp. 325 - 332 |
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| Main Authors | , |
| Format | Journal Article |
| Language | Japanese |
| Published |
THE SOCIETY OF PHOTOGRAPHY AND IMAGING OF JAPAN
25.10.1978
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| Online Access | Get full text |
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| Abstract | Studies have been made on the mechanism of the sensitizing effect (supersensitization) of tetraazaindenols for spectrally sensitized and sulfur-sensitized AgBr emulsions. The sensitization by a tetraazaindenol was observable only when the tetraazaindenol was introduced into emulsions before their exposure to light by immersion treatment. The degree of the increase in the relative quantum yield of spectral sensitization was much smaller than that of the increase in sensitivity caused by the tetraazaindenol. These results seem to indicate that tetraazaindenols depress the recombination process introduced by sensitizing dyes in the sulfur-sesitized emulsions. |
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| AbstractList | Studies have been made on the mechanism of the sensitizing effect (supersensitization) of tetraazaindenols for spectrally sensitized and sulfur-sensitized AgBr emulsions. The sensitization by a tetraazaindenol was observable only when the tetraazaindenol was introduced into emulsions before their exposure to light by immersion treatment. The degree of the increase in the relative quantum yield of spectral sensitization was much smaller than that of the increase in sensitivity caused by the tetraazaindenol. These results seem to indicate that tetraazaindenols depress the recombination process introduced by sensitizing dyes in the sulfur-sesitized emulsions. |
| Author | TANI, Tadaaki URABE, Hitoshi |
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| Copyright | The Society of Photographic Science and Technology of Japan |
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| DOI | 10.11454/photogrst1964.41.325 |
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| EndPage | 332 |
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| References | 8) T. H. James, W. Vanselow, R. F. Quirk, Photogr. Sci. Tech., 19B, 170 (1953 7) Tadaaki, Tani, Photogr. Sci. Eng., 19,366 (1975 2) 谷忠昭, 日化, 1535 (1976 10) J. M. Simson, Photogr. Sci. Eng., 18 302 (1974 5) J. M. Simon, W. S. Gaugh, Photogr. Sci. Eng., 19,399 (1975 6) D. M. Sturmer, W. S. Gaugh, Photogr. Sci. Eng., 19,344 (1975 1) Tadaki, Tani, Photogr. Sci. Eng., 21, 37 (1977 3) W. West, B. H. Carroll, in “The Theory of the Photographic Process (Third Edition)”, C. E. K. Mess, T. H. James, eds., Macmillan, New York (1966) pp.233-277 4) F. J. Evans, P. B. Gilman, Jr., Photogr. Sci. Eng., 19,333 (1975 9) J. Spence, B. H. Carroll, J. Phys. Colloid Chem., 52, 1090 (1948 11) P. B. Gilman, Jr., Photogr. Sci. Eng., 18,418 (1974 |
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| StartPage | 325 |
| Subtitle | Relative Quantum Yield of Spectral Sensitization and Immersion Treatment |
| Title | Studies of Supersensitization by Tetraazaindenols |
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