本文制备得到一种新型萘啶基的水溶性光致发光聚合物:聚丙烯酸(PAA)-2-苄氨基-7-甲基-1,8-萘啶,PAA5-PAMN2(PAMN是2-phenmethylamino-7-methyl-1,8-naphthyridine的缩写),经光谱分析和密度泛函理论计算,研究了化合物的结构和组成.这种聚合物在酸性和碱性条件下呈现最大的吸收波长分别为364和342 nm.Zn(OAc)2的加入致使PAA5-PAMN2水溶液的荧光猝灭,而当OAc-改变为NO3-时,在荧光强度不断降低的同时,由于NO3-离子的配位使最大发射波长从410 nm蓝移到400 nm.Na+离子对其没有明显的荧光猝灭效应.
参考文献
| [1] | Hagfeldt A;Gr(a)tzel M .Light-induced redox reaction in nanocrystalline systems[J].Chemical Reviews,1995,95:49-68. |
| [2] | Gollue V;Harriman A;Lehn J M .An electro-photoswitch:redox switching of luminescence of a bipyridine metal complex[J].Journal of the Chemical Society,Chemical Communications,1993,12:1034-1036. |
| [3] | Lecomte J P;Mesmaeker A K D;Orellana G .Photophysics of ployazaaromatic Ruthenium(Ⅱ)complexes.interacting with DNA[J].Journal of Physical Chemistry,1994,98:5382-5388. |
| [4] | Anthony Harriman;Raymond Ziessel .Making photoactive molecular-scale wires[J].Chemical communications,1996(15):1707-1716. |
| [5] | Nocera D G .Chemistry of the multielectron excited state[J].Accounts of Chemical Research,1995,28:209-217. |
| [6] | Meyer T J .Chemical approaches to artificial photosynthesis[J].Accounts of Chemical Research,1989,22:163-170. |
| [7] | 王建国;王公善.功能高分子[M].上海:同济大学出版社,1996 |
| [8] | Tabata K;Abe H;Doi Y .Microbial degradation of poly(aspartic acid)by two isolated strains of pedobacter sp.and sphingomonas sp[J].Biomacromolecules,2000,1:157-161. |
| [9] | Kawabata E;Kikuchi K;Urano Y et al.Design and synthesis of zinc-selective chelators for extracellular[J].Journal of the American Chemical Society,2005,127:818-819. |
| [10] | Brown E V .1,8-PAMNs.I Derivatives of 2-and 4-methy-1,8-PAMNs[J].Journal of Organic Chemistry,1965,30:1607-1610. |
| [11] | Newkome G R;Garbis S J;Fronczek F R .1,8-or 1,5-naphthyridino subunits connected by carbon-oxygen bridges[J].Journal of Organic Chemistry,1981,46:833-839. |
| [12] | Zou J L;Fu W F;Che C M .Synthesis,crystal structure and photoluminescent properties of a tetracarbony(naphthyridycarbmoyl)rhenium(I)complex and a highly emissive tetracarbony(naphthyridylamido)rhenium(I)complex[J].European Journal of Inorganic Chemistry,2003,2:255-262. |
| [13] | 周效全.丙烯酸聚合物的合成及其应用[J].天津化工,1997(02):5-10. |
| [14] | 温丽,林群芳,谭李炼,周晓东.基于PS/PAA两嵌段共聚物组装行为的银纳米粒子的制备[J].高分子材料科学与工程,2006(03):207-210. |
| [15] | Tomohiro Hiraishi;Mariko Kajiyama;Kenji Tabata;Hideki Abe;Ichiro Yamato;Yoshiharu Doi .Biochemical and molecular characterization of poly(aspartic acid) hydrolase-2 from sphingomonas sp.KT-1[J].Biomacromolecules,2003(5):1285-1292. |
| [16] | Frisch M J;Trucks G W;Schlegel H B.Gaussian 03:Revision A.1[M].Pittsburg,PA:Gaussian Inc,2003 |
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%