草酸根掺杂板状溴碘化银颗粒乳剂的增感效应研究

doi:10.7517/j.issn.1674-0475.2009.03.175

影像科学与光化学 ›› 2009, Vol. 27 ›› Issue (3): 175-181.DOI: 10.7517/j.issn.1674-0475.2009.03.175

草酸根掺杂板状溴碘化银颗粒乳剂的增感效应研究

马望京, 李智, 史瑶, 张广慧, 曹娜, 杨新民

中国科学院, 理化技术研究所, 北京, 100190

收稿日期:2008-10-09 修回日期:2009-02-16 出版日期:2009-05-23 发布日期:2009-05-23
基金资助:
国家自然科学基金资助项目(20703051).

Sensitization on Tabular Silver Iodine Bromide Emulsion Doped with Oxalate

MA Wang-jing, LI Zhi, SHI Yao, ZHANG Guang-hui, CAO Na, YANG Xin-min

Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, P.R.China

Received:2008-10-09 Revised:2009-02-16 Online:2009-05-23 Published:2009-05-23

摘要/Abstract

摘要： 使用反馈式微机控制双注乳化仪,在晶体生长过程中一定时间内,加入一定量的草酸盐,制得了草酸根离子处于晶体颗粒次表面的板状溴碘化银微晶乳剂.对其实验过程的考察和感光性能的测试结果表明:1)草酸根掺杂于次表面的溴碘化银乳剂与未掺杂乳剂相比较,经过化学增感后,或光谱增感后的乳剂,其感光度有明显提高(Sd/S0≥1.5),即具有明显的增感效应;2)无论是经过化学增感,还是经光谱增感后的乳剂,草酸根掺杂溴碘化银颗粒乳剂的灰雾水平都不高.

关键词: 草酸根, 掺杂, 板状, 溴碘化银, 增感效应

Abstract: In the emulsifying process of AgBrI microcrystals in the double-jet apparatus controlled by a microcomputer,a certain amount of oxalate salt was injected at specific time and pAg into a reactor to prepare tabular AgBrI grain emulsions in which oxalate ions were doped at subsurface of AgBrI microcrystals.The observation results from the whole experiments and sensitometric results from these emulsions showed: 1) that the sensitivities(Sd) of oxalate-doped emulsions,relative to those(S0) of the corresponding undoped ones as the controlled,regardless of whether it is sensitized chemically and spectrally,were remarkably increased(Sd/S0≥1.5);2) That fog level of oxalate-doped emulsions,regardless of whether it is primitive or sensitized chemically and spectrally,were kept low.

Key words: oxalate, doping, AgBrI, sensitization

中图分类号:

TQ57

马望京, 李智, 史瑶, 张广慧, 曹娜, 杨新民. 草酸根掺杂板状溴碘化银颗粒乳剂的增感效应研究[J]. 影像科学与光化学, 2009, 27(3): 175-181.

MA Wang-jing, LI Zhi, SHI Yao, ZHANG Guang-hui, CAO Na, YANG Xin-min. Sensitization on Tabular Silver Iodine Bromide Emulsion Doped with Oxalate[J]. Imaging Science and Photochemistry, 2009, 27(3): 175-181.

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草酸根掺杂板状溴碘化银颗粒乳剂的增感效应研究

Sensitization on Tabular Silver Iodine Bromide Emulsion Doped with Oxalate

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