多结构溴碘化银微晶的研究  

STUDY ON MULTISTRUCTURE SILVER BROMOIODILE EMULSION GRAINS

作　　者：王巍[1] 彭彦彬[1] 余青[1] 马凤云[1] 周本茂[1] 沈守瑶[2] 刘其则 陈海昌 

机构地区：[1]中国科学院感光化学研究所 [2]四川联合大学化学系

出　　处：《感光科学与光化学》1997年第2期169-173,共5页Photographic Science and Photochemistry

基　　金：北京中关村地区联合分析测试中心

摘　　要：多结构溴碘化银微晶的研究＊王巍彭彦彬＊＊余青马凤云周本茂（中国科学院感光化学研究所，北京，１００１０１）沈守瑶刘其则陈海昌（四川联合大学化学系，成都，６１００６５）关键词溴碘化银，多结构乳剂，微晶，富碘相多结构溴碘化银微晶中碘离子的空间分布对乳剂的感...ubic multistructure silver bromoiodide emulsion grains with iodiderich layer between core and cover were studied with TEM, XRD and XPS. TEM, XRD analysis showed: the iodiderich layers were composed of AgBr0.83 I0.17 and AgBr0.71 I0.29　when precipitated at pAg 5.7 and 8.7 respectively. Iodiderich layer did not cover the whole core, instead, they precipitated only near the comers of the cubic core grains. XPS analysis showed that the surface of the multistructure grain contained iodide though we added only Ag+ and Br. To make the cover, the iodide concentration of the surface elevated with increased qnantity of iodiderich phase. 

关 键 词：溴碘化银 多结构 感光乳剂 感光性 

分 类 号：TQ575[化学工程—精细化工]