氯化银立方体微晶乳剂和{100}面扁平微晶乳剂的甲酸盐掺杂增感

doi:10.7517/j.issn.1674-0475.2006.05.343

影像科学与光化学 ›› 2006, Vol. 24 ›› Issue (5): 343-350.DOI: 10.7517/j.issn.1674-0475.2006.05.343

氯化银立方体微晶乳剂和{100}面扁平微晶乳剂的甲酸盐掺杂增感

李智, 郑彤, 史京京, 王颖, 彭必先, 陈丽娟

中国科学院, 理化技术研究所, 北京, 100080

收稿日期:2006-03-07 修回日期:2006-05-29 出版日期:2006-09-23 发布日期:2006-09-23
通讯作者: 陈丽娟,E-mail:chenlijuan@mail.ipc.ac.cn.

Sensitization of Formate Dopant to Cubic and {100} Tabular Silver Chloride Microcrystals

LI Zhi, ZHENG Tong, SHI Jing-jing, WANG Ying, PENG Bi-xian, CHEN Li-juan

Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100080, P. R. China

Received:2006-03-07 Revised:2006-05-29 Online:2006-09-23 Published:2006-09-23

摘要/Abstract

摘要： 将甲酸盐掺杂在乳剂微晶不同位置处,制备成氯化银立方体微晶乳剂和{100}面扁平微晶乳剂.实验发现:作为正空穴捕获剂,适当计量的甲酸盐在不增加乳剂灰雾的前提下,可使上述乳剂的感光度提升3—8倍.甲酸盐在两种晶形乳剂的不同位置掺杂的研究结果显示,甲酸盐均匀掺杂可比表面掺杂获得更高的感光度.在两种乳剂中甲酸盐掺杂增感都可与其后的硫增感、硫加金增感以及光谱增感协同作用,进一步提升乳剂的感光性能.

关键词: 氯化银照相乳剂, {100}面扁平颗粒, 甲酸盐, 正空穴捕获剂, 化学增感

Abstract: Silver chloride cubic emulsions and {100} T-grain emulsions doped by formate on different positions of microcrystal were prepared. As a hole-traping dopant,formate can enhance the photographic sensitivity of the emulsions as high as 3—8 times without an increase in fog density.It was noted that the photosensitivity of the emulsions homogeneously doped by formate was higher than that of the emulsions doped only on surfaces.Synergetic sensitizing effects of the doped formate and sulfur or sulfur-plus-gold or spectral sensitization were observed in every doped emulsion,which can improve the sensitometric characteristics of the emulsion further.

Key words: silver chloride emulsion, {100} tabular grain, formate, hole-traping dopant, chemical sensitization

中图分类号:

TQ57

李智, 郑彤, 史京京, 王颖, 彭必先, 陈丽娟. 氯化银立方体微晶乳剂和{100}面扁平微晶乳剂的甲酸盐掺杂增感[J]. 影像科学与光化学, 2006, 24(5): 343-350.

LI Zhi, ZHENG Tong, SHI Jing-jing, WANG Ying, PENG Bi-xian, CHEN Li-juan. Sensitization of Formate Dopant to Cubic and {100} Tabular Silver Chloride Microcrystals[J]. Imaging Science and Photochemistry, 2006, 24(5): 343-350.

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氯化银立方体微晶乳剂和{100}面扁平微晶乳剂的甲酸盐掺杂增感

Sensitization of Formate Dopant to Cubic and {100} Tabular Silver Chloride Microcrystals

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