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New Aspects of Silver Halide Photosensitive materials. Investigations of Positive Holes in AgBr Emulsion Grains with Radiowave Photoconductivity Technique
ハロゲン化銀感光材料の新局面 ラジオ波光伝導法によるAgBr乳剤粒子中の正孔の解析
1996
Journal of The Society of Photographic Science and Technology of Japan
ハロゲン化銀感光材料の新局面 ラジオ波光伝導法によるAgBr乳剤粒子中の正孔の解析
Preserved Fulltext
The decay of photoconductivity in AgBr and AgBrI emulsion grains is investigated by means of 110MHz radiofrequency technique. The decay component with a decay time of 20 ƒÊsec in AgBr grains is ascribed to positive holes. The decay time was independent of grain size and excitation intensities. Hole traps determining the decay time of positive holes are concluded to be located within AgBr grains and indicated to be silver clusters. Hydrogen hypersensitization and reduction sensitization brought hole traps to the grains.
doi:10.11454/photogrst1964.59.326
fatcat:3inze64wrrfqbm4l5e5gtm22iy