硫三碳菁红外染料的光谱增感及超增感技术的应用研究

Applications and Studies on the Spectral Sensitization and Supersensitization of Thiotricarbocyanine Infared Dyes

红外染料自减感的化学过程是致使红外增感效率低的原因。据此 ,红外感光材料的超增感过程应与抑制染料自发减感是密切相关的。二苯乙烯类衍生物 ,以及抗坏血酸作为红外染料超增感剂 ,有效地提高红外染料的光谱增感效率。

The self desensitation chemical processes in the infrared dyes lead to the low sensitization efficiency.So the supersensitization in the infrared photographic materials should be closely connected with how to restrain the self desensitization of the dyes.The dihpenylacetonitrile alkene derivatives or ascorbic acid as supersinsitizers were applied in the infrared film.The results show that by using those compounds,the self desensitization of the infrared dyes were retarded effectively and the spectral sensitizatin efficiency increased.