本实验采用Wittig方法制得了未封端和封端的超支化聚三苯胺-对苯乙烯撑型聚合物,对两种共轭聚合物进行了表征和性能测试.聚合物溶液和固体膜在紫外光照射下均发出较强的绿光.首次对这类聚合物在硝基芳烃化合物荧光猝灭能力进行了初步研究,结果表明:与未封端产物相比,封端后的超支化共轭聚合物在邻硝基甲苯(α-NT)的荧光猝灭效率上有明显提高,当α-NT浓度为21.5×10-3 mol/L时,荧光猝灭效率达到97%.这类共轭聚合物不仅合成操作较为简便,猝灭效率也较高,是一种很有潜力的硝基芳烃化合物荧光检测材料.
参考文献
[1] | 王海侨,王换方,卢红斌,路春亮,李效玉.一种新型超支化蓝光聚合物的合成[J].高等学校化学学报,2007(02):388-390. |
[2] | 杨柳,郭成海,赵纪萍,潘勇.电子鼻检测爆炸物的研究进展[J].传感器技术,2005(07):1-3. |
[3] | Yang JS.;Swager TM. .Porous shape persistent fluorescent polymer films: An approach to TNT sensory materials[J].Journal of the American Chemical Society,1998(21):5321-5322. |
[4] | Toal SJ;Trogler WC .Polymer sensors for nitroaromatic explosives detection[J].Journal of Materials Chemistry: An Interdisciplinary Journal dealing with Synthesis, Structures, Properties and Applications of Materials, Particulary Those Associated with Advanced Technology,2006(28):2871-2883. |
[5] | Liu Y;Yang C H;Li Y J et al.Synthesis and photovoltaic characteristics of novel copolymers containing poly (phenylenevinylene)and triphenylamine moieties connected at 1,7 bay positions of perylane bisimide[J].Macromolecules,2005,38:716-721. |
[6] | Meng F S;Mi J;Qian S X et al.Linear and tri-branehed copolymers for two-photon absorption and two-photon fluorescent materials[J].Polymer,2003,44:6851-6855. |
[7] | 杨天赦,杨平,王筱梅,施琴芬,蒋宛莉,吴正颖,孙庭.三苯胺多枝化合物光谱性能的研究[J].感光科学与光化学,2004(01):4-12. |
[8] | Eldo J.;Arunkumar E.;Ajayaghosh A. .Fluorescent bispyrroles. New building blocks for novel #pi#-conjugated polymers[J].Tetrahedron letters: The International Journal for the Rapid Publication of Preliminary Communications in Organic Chemistry,2000(32):6241-6244. |
[9] | Anna H;David H;George M .Electron transfer in bis-porphyrin donor-acceptor compounds with polyphenylene spacers shows a weak distance dependence[J].Journal of the American Chemical Society,1992,114(15):6227-6238. |
[10] | Ahn Taek;Shim Hong-ku;Hwang Do-Hoon;Zyung Taehyoung;Jang Min Sik .Blue electroluminescent polymers: control of conjugation length by kink linkages and substituents in the poly(p-phenylenevinylene)-related copolymers[J].Macromolecules,1999(10):3279-3285. |
[11] | Min Zheng;Liming Ding;E.Elif Gurel;M.Lahti;Frank E.Karasz .Oxadiazole Containing Conjugated-Nonconjugated Blue and Blue-Green Light Emitting Copolymers[J].Macromolecules,2001(12):4124-4129. |
[12] | Wei P;Bi XD;Wu Z;Xu Z .Synthesis of triphenylamine-cored dendritic two-photon absorbing chromophores[J].Organic letters,2005(15):3199-3202. |
[13] | jian Li Hua;Bo Li;Fan Shun Meng;Fang Ding;He Tian .Two-photon absorption properties of hyperbranched conjugated polymers with triphenylamine as the core[J].Polymer: The International Journal for the Science and Technology of Polymers,2004(21):7143-7149. |
[14] | 邹应萍,谭松庭,肖雷,易捷,于宗强.一种含三苯胺链段的PPV类交替共聚物的合成、表征及性能[J].高分子学报,2006(01):129-135. |
[15] | Dahui Zhao;Timothy M.Swager .Sensory Responses in Solution vs Solid State:A Fluorescence Quenching Study of Poly(iptycenebutadiynylene)s[J].Macromolecules,2005(22):9377-9384. |
[16] | Sohn H.;Sailor MJ.;Magde D.;Trogler WC. .Detection of nitroaromatic explosives based on photoluminescent polymers containing metalloles[J].Journal of the American Chemical Society,2003(13):3821-3830. |
[17] | Yang JS.;Swager TM. .Fluorescent porous polymer films as TNT chemosensors: Electronic and structural effects[J].Journal of the American Chemical Society,1998(46):11864-11873. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分:
-
10%
-
20%
-
30%
-
40%
-
50%