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以四(三苯基磷)钯(Pd(PPh3)4)和CuI作为催化剂,在二异丙胺和四氢呋喃溶液中,采用宽能带的1,4-二乙炔基-2,5-二(十二烷氧基)苯(PE)和窄能带的3,6-双(5′-溴-2′-噻吩)-哒嗪(TPD)以不同配料比合成了一系列新型聚芳炔.长链烷氧基的存在使得此类聚合物在常用的有机溶剂中具有较好的溶解性和成膜性.通过对上述聚合物的紫外-可见吸收、荧光发射及循环伏安等基本性能进行探讨可知,共聚物在THF溶液中的荧光量子效率为51%~61%;随着共聚物中TPD含量的增加,共聚物薄膜的吸收起始波长及荧光发射波长均有红移.聚合物薄膜的最大发射峰位于540~551nm.

参考文献

[1] Andrew R. Neilson;Steven M. Budy;John M. Ballato .Mixed Chromophore Perfluorocyclobutyl (PFCB) Copolymers for Tailored Light Emission[J].Macromolecules,2007(26):9378-9383.
[2] Renqiang Yang;Andres Garcia;Dmitry Korystov .Control of Interchain Contacts,Solid-State Fluorescence Quantum Yield,and Charge Transport of Cationic Conjugated Polyelectrolytes by Choice of Anion[J].Journal of the American Chemical Society,2006(51):16532-16539.
[3] Taranekar P;Abdulbaki M;Krishnamoorti R;Phanichphant S;Waenkaew P;Patton D;Fulghum T;Advincula R .Structure and band-gap design of a new series of light-emitting poly(cyanofluorene-alt-o/m/p-phenylenevinylene)-based copolymers for light-emitting diodes[J].Macromolecules,2006(11):3848-3854.
[4] Egbe D A M;Nguyen L H;Carbonnier B et al.[J].Polymer,2005,46:9585-9595.
[5] Huang F;Wang X H;Wang D L et al.[J].Polymer,2005,46:12010-12015.
[6] Wang YQ;Park JS;Leech JP;Miao S;Bunz UHF .Poly(aryleneethynylene)s with orange, yellow, green, and blue solid-state fluorescence[J].Macromolecules,2007(6):1843-1850.
[7] Wilson J N;Bangcuyo C G;Erdogan B et al.[J].Macromolecules,2003,36(05):1426-1428.
[8] Hou YH;Chen YS;Lin Q;Yang M;Wan XJ;Yin SG;Yu A .A novel tetrathiafulvalene- (TTF-) fused poly(aryleneethynylene) with an acceptor main chain and donor side chains: Intramolecular charge transfer (CT), stacking structure, and photovoltaic property[J].Macromolecules,2008(9):3114-3119.
[9] 张子印,刘彩霞,宋微娜,殷德刚,司马义·努尔拉.分子内电荷移动型共轭聚合物的固相法制备及表征[J].高分子材料科学与工程,2009(03):28-31.
[10] Takuma Yasuda;Yoshimasa Sakai;Shinji Aramaki;Takakazu Yamamoto .New Coplanar(ABA)_n-Type Donor-Acceptor pi-Conjugated Copolymers Constituted of Alkylthiophene(Unit A)and Pyridazine (Unit B):Synthesis Using Hexamethylditin,Self-Organized Solid Structure,and Optical and Electrochemical Properties of the Copolymers[J].Chemistry of Materials,2005(24):6060-6068.
[11] Yamamoto T;Zhou ZH;Kanbara T;Shimura M;Kizu K;Maruyama T .PI-CONJUGATED DONOR-ACCEPTOR COPOLYMERS CONSTITUTED OF PI-EXCESSIVE AND PI-DEFICIENT ARYLENE UNITS - OPTICAL AND ELECTROCHEMICAL PROPERTIES IN RELATION TO CT STRUCTURE OF THE POLYMER[J].Journal of the American Chemical Society,1996(43):10389-10399.
[12] Li H.;Hayashi RK.;West R.;Powell DR. .Poly((2,5-dialkoxy-p-phenylene)ethynylene-p-phenyleneethynylene)s and their model compounds[J].Macromolecules,1998(1):52-58.
[13] 买丽丹·吾马尔,石伟,邵华伟,吐尼沙古丽·阿吾提,司马义·努尔拉.含苯并硒二唑组分的聚对苯撑乙炔类共轭聚合物的合成及性能研究[J].功能材料,2009(07):1063-1067.
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