Electrosyntheses and characterization of poly(9-bromophenanthrene) in boron trifluoride diethyl etherate

Electrosyntheses and characterization of poly(9-bromophenanthrene) in boron trifluoride diethyl etherate
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三氟化硼乙醚中聚(9-溴菲)的电合成和表征

DOI:
10.1016/j.eurpolymj.2008.10.029
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发表时间:
2009-02
影响因子:
6
通讯作者:
Xu, Jingkun
Xu, Jingkun
中科院分区:
化学2区
文献类型:
--
作者:
Shang, Xiaoxian;Dong, Bin;Jiang, Fengxing;Lu, Baoyang;Xie, Yu;Zeng, Liqiang;Xu, Jingkun

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以三氟化硼乙醚(BFEE)为电解液,采用直接阳极氧化法合成了新型半导体聚合物聚9-溴菲(P9 BP)。测定了9 BP在该介质中的氧化起始电位为1.33V(vs.饱和甘汞电极)。从BFEE获得的P9 BP膜表现出良好的电化学行为和良好的热稳定性,电导率为0.03Scm−1。红外光谱、核磁共振氢谱以及理论量子化学计算表明,P9 BP主要是通过单体在C3和C6位的偶联而生长的。此外,P9 BP在固态ITO电极上的掺杂和去掺杂状态之间表现出从不透明的绿色到浅黄色的强电致变色性质。荧光光谱研究表明,P9 BP是一个蓝光发射体。
A novel semi-conducting polymer poly(9-bromophenanthrene) (P9BP) was synthesized electrochemically by direct anodic oxidation of it is monomer 9-bromophenanthrene (9BP) in boron trifluoride diethyl etherate (BFEE). The oxidation onset potential of 9BP in this medium was measured to be only 1.33V vs. saturated calomel electrode (SCE). P9BP films obtained from BFEE showed good electrochemical behavior and nice thermal stability with electrical conductivity of 0.03Scm−1. FTIR and1H NMR spectra together with theoretical quantum chemistry calculations indicated that the P9BP was mainly grown via the coupling of the monomer at C3and C6positions. Furthermore, P9BP exhibited strong electrochromic nature from opaque green to light yellow between the doped and dedoped states on ITO electrode in solid state. Fluorescence spectral studies indicated that P9BP was a blue light emitter.
DOI: 10.1557/mrs2001.127
发表时间: 2001-07-01
期刊: MRS BULLETIN
影响因子: 5
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