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内敏乳剂的感光性能和离子性能

THE PHOTOGRAPHIC PROPERTIES AND IONIC CODUCTIVITY OF INTERNAL SENSITIVE EMULSION
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摘要 本文研究了内核经硫加金增感的内敏核壳乳剂的感光性能和离子性能。内核化学增感时Na_2S_2O_3和AuCl_3两者的加入量按一定比例增大时,内部感光度升高,表面感光度下降,离子电导率略有降低。内核化学增感时如果单独增加AuCl_3的用量,内部感光度有所升高,表面感光性能基本不变,离子电导率略有下降。内核化学增感结束引入稳定剂583,可使内显灰雾明显降低,离子电导率也有所下降,核壳比增大造成内部感光度上升而表面感光度下降,离子电导率也有所下降。表面引入碘后,离子电导率明显上升。 The properties and ionic conductivities of internal sensitive emulsions,the core of which were chemically sensitized with sulfur-plus-gold,were studied.If the amount of Na2S2O3 and AuCl3 increased at a constant ratio when internally sensitized,the internal sensitivity and the ionic conductivity increased whereas the surface sensitivity decreased.With increasing the amount of AuCl3,added with a fixed amount of Na2S2O3,the internal sensitivity increased with almost the same surface sensitivity and decrease of ionic conductivity.The addition of the stabilizer 583 at the core surface can cause decrease of internal fog and ionic conductivity.Both the surface sensitivity and ionic conductivity decrease with the increase of the mole ratio of the core to the shell. When iodide was introduced at the grain shell surface,the ionic conductivity increased rapidly.
出处 《感光科学与光化学》 CSCD 1996年第3期200-206,共7页 Photographic Science and Photochemistry
基金 国家自然科学基金
关键词 内敏乳剂 化学增感 感光乳剂 银盐感光材料 internal sensitive emulsion,core-shell emulsion,Chemical sensitization.photographic property,ionic conductivity
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参考文献4

  • 1胡建斌,硕士学位论文,1994年
  • 2彭必先,武汉大学学报,1993年,4卷,45页
  • 3庄思永,J Imaging Sci,1986年,30卷,16页
  • 4战师荣,感光科学与光化学,1984年,2期,9页

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