Effects of Hydrostatic Pressure on Three-dimensional Fluorescence Spectra of Mixtures of Anthracene and PAHs

SUN Zhi-juan; CAI Chen-xin; WANG Jie; JIANG Chun-yue

doi:10.3788/fgxb20173808.1102

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Effects of Hydrostatic Pressure on Three-dimensional Fluorescence Spectra of Mixtures of Anthracene and PAHs

更新时间：2020-08-12

- Effects of Hydrostatic Pressure on Three-dimensional Fluorescence Spectra of Mixtures of Anthracene and PAHs
- Chinese Journal of Luminescence Vol. 38, Issue 8, Pages: 1102-1108(2017)
- 作者机构：
  
  1. 浙江工业大学海洋学院,浙江杭州,310014
  2. 浙江工业大学化学工程学院,浙江杭州,310014
- 作者简介：
- 基金信息：
  
  Supported by National Natural Science Foundation of China(21104066);Zhejiang Provi
- DOI：10.3788/fgxb20173808.1102
  CLC： O521;O433.4
- Received：06 December 2016，
  
  Revised：12 May 2017，
  
  Published：05 August 2017
- 稿件说明：
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孙志娟, 蔡晨鑫, 王杰等. 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[J]. 发光学报, 2017,38(8): 1102-1108

SUN Zhi-juan, CAI Chen-xin, WANG Jie etc. Effects of Hydrostatic Pressure on Three-dimensional Fluorescence Spectra of Mixtures of Anthracene and PAHs[J]. Chinese Journal of Luminescence, 2017,38(8): 1102-1108
孙志娟, 蔡晨鑫, 王杰等. 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[J]. 发光学报, 2017,38(8): 1102-1108 DOI： 10.3788/fgxb20173808.1102.

SUN Zhi-juan, CAI Chen-xin, WANG Jie etc. Effects of Hydrostatic Pressure on Three-dimensional Fluorescence Spectra of Mixtures of Anthracene and PAHs[J]. Chinese Journal of Luminescence, 2017,38(8): 1102-1108 DOI： 10.3788/fgxb20173808.1102.

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

molL

-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 effects of hydrostatic pressure on the three-dimensional fluorescence spectra (3DFS) of pure anthracene (10

-6

molL

-1

) and its mixtures (anthracene-fluorene

anthracene-naphthalene

anthracene-phenanthrene

anthracene-acenaphthene

anthracene-fluoranthrene

and the concentration ratios are 1:1) were investigated in a pressure range of from 0.1 MPa to 60 MPa at room temperature. The variation of 3DFS under high pressure was revealed by analyzing the positions and intensities of fluorescence peaks with the increase of hydrostatic pressure. It is found that the fluorescence peak shifts are not detected

however

the changes of fluorescence intensities are observed (

e.g

. anthracene

the fluorescence intensity of peak of 250/382 nm reached its maximum when the pressure was increased to 60 MPa

and the intensity increases 13.6% compared with that of 0.1 MPa). Otherwise

the high pressure fluorescence properties of anthracene are changed profoundly with the addition of other PAHs (

e.g

. anthracene) is mingled with naphthalene

the fluorescence intensity of peak of 250/382 nm reaches its maximum when the pressure increases to 10 MPa

and the intensity increases 9.35% compared with that of 0.1 MPa.

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references

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