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.
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