静水压力对蒽和多环芳烃二元混合物三维荧光光谱的影响

发布时间：2018-04-13 03:37

本文选题：三维荧光光谱 + 激发发射矩阵　；参考：《发光学报》2017年08期

【摘要】：利用荧光分光光度计对处于常温、压力范围为0.1~60 MPa、浓度为10~(-6)mol·L~(-1)的蒽的三维荧光光谱及浓度比为1∶1的蒽-芴、蒽-萘、蒽-菲、蒽-苊、蒽-荧蒽的三维荧光光谱进行了测定,并通过分析不同压力下蒽的荧光峰位置和峰强度的变化来探讨压力对荧光光谱的影响。结果显示,随着压力升高,蒽的荧光峰并未发生漂移,但是荧光强度发生了显著变化。峰位置为250/382 nm的荧光峰在60 MPa时荧光强度达到最大值,相较于常压下,荧光强度增加了13.6%。其他多环芳烃的加入会改变蒽的高压荧光特性,当蒽中加入了萘,峰位置为250/382 nm的荧光峰强度在10 MPa时达到最大值,相较于常压下,荧光强度增加了9.35%。
[Abstract]:The three dimensional fluorescence spectra of anthracene at room temperature, pressure range of 0.1 ~ 60 MPa and concentration of 10~(-6)mol Ln ~ (-1) were determined by fluorescence spectrophotometer. The fluorescence spectra of anthracene fluorene, anthracene naphthalene, anthracene-phenanthrene, anthracene-acenaphthene and anthracene-fluoranthene with a concentration ratio of 1:1 were determined.The influence of pressure on fluorescence spectrum was discussed by analyzing the change of fluorescence peak position and peak intensity of anthracene under different pressures.The results showed that the fluorescence peak of anthracene did not drift with the increase of pressure, but the fluorescence intensity of anthracene changed significantly.The fluorescence intensity of the peak at 250% 382 nm reached the maximum at 60 MPa, and the fluorescence intensity increased 13.6% compared with the normal pressure.When naphthalene was added to anthracene, the peak intensity of 250 / 382 nm reached the maximum at 10 MPa, and the fluorescence intensity increased 9.35% compared with normal pressure.
【作者单位】：浙江工业大学海洋学院;浙江工业大学化学工程学院;
【基金】：国家自然科学基金(21104066) 浙江省自然科学基金(LY15B060006)资助项目~~
【分类号】：O621.22

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