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The influence of iodide ions on the behaviour of photoelectrons in T-grain AgBr(I) emulsions

✍ Scribed by Chuan-bao Wang; Jun Yue; Tiang-tang Yan; Bi-xian Peng

Publisher
Elsevier Science
Year
1990
Tongue
English
Weight
379 KB
Volume
165
Category
Article
ISSN
0009-2614

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✦ Synopsis

Experimental observation shows that photoconductivity decay kinetics in T-grain AgBr(1) emulsions obeys the first-order reaction rule which is not affected by the addition of iodide. The addition of iodide, however, significantly affects the mean lifetime of photoelectrons. With the increase of iodide content and the bulk-to-edge location of iodide distribution, the mean lifetime of photoelectrons decreases successively. This fact indicates that for T-grain AgBr( 1) emulsions the behaviour of photoelectrons is affected not only by iodide concentration but also by the iodide distribution and location in the grains.

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