CAJ | 학술논문

一种以聚乙烯醇缩聚物为基质,以多芳氨基甲烷类化合物(隐色孔雀绿)为染色物质和卤代物为协同剂制成的辐射变色膜.经电子辐照后其颜色由无色透明变为绿色.辐照后吸收光谱显示其最强吸收峰出现在629 nm附近.研究表明:吸光度响应与电子注量成线性关系,电子能量和分次辐照对其有明显影响,在某注量率范围内吸光度存在辐照后效应,24 h后趋于稳定,且膜厚与响应成正相关性.该体系辐射变色膜可作为电子束的辐照变色薄膜剂量计.
일충이취을희순축취물위기질,이다방안기갑완류화합물(은색공작록)위염색물질화서대물위협동제제성적복사변색막.경전자복조후기안색유무색투명변위록색.복조후흡수광보현시기최강흡수봉출현재629 nm부근.연구표명:흡광도향응여전자주량성선성관계,전자능량화분차복조대기유명현영향,재모주량솔범위내흡광도존재복조후효응,24 h후추우은정,차막후여향응성정상관성.해체계복사변색막가작위전자속적복조변색박막제량계.
A radiochromic film is prepared by using a polymer as the base and doping an organic dye (Malachite Green) and an organic halide. This radiochromic film is a clear transparent solid film, but it becomes blue after irradiated by electronic irradiation. As shown in the UV-VIS spectrum of irradiated films, the peak in visual region locates about 629 nm. Research shows that: there is a linear relationship between absorbance response and electron fluency . Electronic energy and the continuous irradiation or fractured irradiation make a notable impact on the radiochromic film. The absorbance response have small changes in a range of electron fluency rate. 24 hours after the film stability. The relationship between thickness of radiochromic film and absorbance response is a positive correlation. The radiochromic film can be used as electronic radiation dosimetry.