4-羟基-6-甲基-1,3,3a,7-四氮茚对以苯并三氮唑银为银源的PTG材料感光性能的影响

doi:10.7517/j.issn.1674-0475.2009.02.111

影像科学与光化学 ›› 2009, Vol. 27 ›› Issue (2): 111-120.DOI: 10.7517/j.issn.1674-0475.2009.02.111

4-羟基-6-甲基-1,3,3a,7-四氮茚对以苯并三氮唑银为银源的PTG材料感光性能的影响

李秋艳^1,2, 李金培¹

1. 中国科学院, 理化技术研究所, 北京, 100190;
2. 中国科学院, 研究生院, 北京, 100039

收稿日期:2008-07-16 修回日期:2008-09-08 出版日期:2009-03-23 发布日期:2009-03-23
通讯作者: 李金培,E-mail:jpli@mail.ipc.ac.cn.
基金资助:
国家自然科学基金(20573125)

The Influence of 4-Hydroxy-6-Methyl-1,3,3a,7-Tetraazaindene on the Photographic Performances of Photothermographic Material Based on Silver Benzotriazole

LI Qiu-yan^1,2, LI Jin-pei¹

1. Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China;
2. Graduate University of Chinese Academy of Sciences, Beijing 100039, P. R. China

Received:2008-07-16 Revised:2008-09-08 Online:2009-03-23 Published:2009-03-23

摘要/Abstract

摘要： 本文以水性聚乙烯醇(PVA)为粘合剂,原位法合成的AgBr或AgBrI为光敏元,考察了4-羟基-6-甲基-1,3,3a,7-四氮茚钠盐(NaTAI)对以苯并三氮唑银为银源的PTG材料感光性能的影响.实验结果表明:NaTAI对PTG材料具有增感作用,其增感程度随着NaTAI用量的不同而改变,并且感光度升高的同时,灰雾没有明显升高.通过Dember光电压衰减测量,并结合对PTG材料乳液pH值和pAg值的测定以及紫外可见吸收光谱分析,引入NaTAI可以延长光电子寿命,有利于提高潜影形成效率,从而提高感光度.

关键词: 光敏热成像材料, 苯并三氮唑银, 羟基四氮茚, 增感

Abstract: The influences of 4-hydroxy-6-methyl-1,3,3a,7tetraazaindene sodium (NaTAI)on the photographic performaces of photothermographic (PTG) material based on silver Benzotriazole (AgBTA) were studied.It is found that NaTAI can remarkably increase the photographic speed of the PTG materials without much fog elevation.According to the measurements of the decay of Dember photovoltage,together with pH,pAg,and UV-Vis spectra,the sensitization of NaTAI is attributed to the reduce of interstitial silver ions in the silver halide grain,which results in elevation of latent image formation efficiency.

Key words: photothermographic material, silver benzotriazole, hydroxy-tetraazaidene, sensitization

中图分类号:

TQ57

李秋艳, 李金培. 4-羟基-6-甲基-1,3,3a,7-四氮茚对以苯并三氮唑银为银源的PTG材料感光性能的影响[J]. 影像科学与光化学, 2009, 27(2): 111-120.

LI Qiu-yan, LI Jin-pei. The Influence of 4-Hydroxy-6-Methyl-1,3,3a,7-Tetraazaindene on the Photographic Performances of Photothermographic Material Based on Silver Benzotriazole[J]. Imaging Science and Photochemistry, 2009, 27(2): 111-120.

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4-羟基-6-甲基-1,3,3a,7-四氮茚对以苯并三氮唑银为银源的PTG材料感光性能的影响

The Influence of 4-Hydroxy-6-Methyl-1,3,3a,7-Tetraazaindene on the Photographic Performances of Photothermographic Material Based on Silver Benzotriazole

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