[1]陶永新,杨学波.噻二唑类化合物的制备及其荧光性能[J].常州大学学报(自然科学版),2017,(06):1-7.[doi:10.3969/j.issn.2095-0411.2017.06.001]
　TAO Yongxin,YANG Xuebo.Synthesis and Fluorescent Properties of Thiadiazole-Based Compounds[J].Journal of Changzhou University(Natural Science Edition),2017,(06):1-7.[doi:10.3969/j.issn.2095-0411.2017.06.001]
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噻二唑类化合物的制备及其荧光性能()
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常州大学学报(自然科学版)[ISSN:2095-0411/CN:32-1822/N]

卷:
期数:
2017年06期
页码:
1-7
栏目:
化学化工
出版日期:
2017-12-10

文章信息/Info

Title:
Synthesis and Fluorescent Properties of Thiadiazole-Based Compounds
作者:
陶永新; 杨学波
常州大学 石油化工学院,江苏 常州 213164
Author(s):
TAO Yongxin;  YANG Xuebo
School of Petrochemical Engineering, Changzhou University, Changzhou 213164, China
关键词:
噻二唑;  荧光;  蓝光
Keywords:
thiadiazole;  fluorescence;  blue light
分类号:
O 626.2
DOI:
10.3969/j.issn.2095-0411.2017.06.001
文献标志码:
A
摘要:
设计并合成了化合物2-(4-甲氧基)苯基-5-苯基-1,3,4-噻二唑(MPPT),2-(4-羟基)苯基-5-苯基-1,3,4-噻二唑(HPPT)和含有共轭双键的2-(4-甲氧基)苯基-5-苯乙烯基-1,3,4-噻二唑(MPST)和2-(4-羟基)苯基-5-苯乙烯基-1,3,4-噻二唑(HPST)。荧光激发光谱显示,MPPT和HPPT激发峰重合,均呈现双峰,激发波长分别为240～280 nm和 355～380 nm; MPST和HPST激发峰也重合,亦呈现双峰,但第二激发峰相比MPPT和HPPT红移了28 nm,在390～410 nm范围内。荧光发射光谱显示,MPPT和HPPT都是单峰,发射范围都在360～500 nm; 而MPST和HPST也是单峰,但比MPPT和HPPT红移了26 nm,发射波长范围都在390～550 nm。结果表明分子结构中引入共轭双键的MPST和HPST比MPPT和HPPT更适合作为蓝光材料。研究显示可以利用分子共轭性来调整噻二唑类化合物的荧光发射区域,设计合成高纯的蓝光材料。
Abstract:
Compounds 2-(4-methoxyl)phenyl-5-phenyl-1,3,4-thiadiazole(MPPT), 2-(4-hydroxy)phenyl-5-phenyl-1,3,4-thiadiazole(HPPT)and 2-(4-methoxyl)phenyl-5-styryl-1,3,4-thiadiazole(MPST), 2-(4-hydroxyl)phenyl-5-styryl-1,3,4- thiadiazole(HPST)containing conjugated double bonds have been synthesized. Fluorescence excitation spectra show that the excitation peaks of MPPT and HPPT are congruent double peaks, which are from 240 nm to 280 nm and from 355 nm to 380 nm, MPST and HPST excitation peaks are also congruent double peaks. But the second one is red shift of 28 nm between 390 nm and 410 nm. Moreover, fluorescence emission spectra display that the MPPT and HPPT emission peaks are unimodal from 360 nm to 500 nm. Both MPST and HPST emission peaks are also unimodal, but it is red shift of 26 nm between 390 nm and 550 nm. The result of research shows that MPST and HPST containing conjugated double bonds are more suitable for material emitting blue light than MPPT and HPPT. The molecular conjugacy could be used to readjust fluorescence emission region of thiadiazole-based compounds for material emitting pure blue light.

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备注/Memo

备注/Memo:
收稿日期:2017-07-10。
基金项目:国家自然科学基金资助项目(21775013)。
作者简介:陶永新(1971—),男,安徽安庆人,博士,副教授,主要从事功能材料制备及应用研究。
更新日期/Last Update: 1900-01-01