Formation of 2,3-diaminophenazines and their self-assembly into nanobelts in aqueous medium
Formation of 2,3-diaminophenazines and their self-assembly into nanobelts in aqueous medium
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2,3-二氨基吩嗪的形成及其在水介质中自组装成纳米带
DOI:
10.1016/j.eurpolymj.2007.06.038
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发表时间:
2007-09
影响因子:
6
通讯作者:
中科院分区:
文献类型:
--
作者:
One-dimensional (1D) nanobelts of several hundred micrometers in length, several hundred nanometers in width and several hundred nanometers in height are obtained by direct mixing of ortho-phenylenediamine (oPD) and FeCl3aqueous solution at room temperature. The nanobelts were characterized by elemental analysis, liquid chromatography/mass spectrometry (LC/MS), NMR (1H and13C), FT-IR, UV–vis, thermogravimetric (TG) and conductivity measurement. The nanobelts are identified as 2,3-diaminophenazine assemblies. The formation of the nanobelts involves two stages: (1) oxidation of oPD by FeCl3, yielding individual 2,3-diaminophenazine molecules; and (2) self-assembly of the 2,3-diaminophenazine, forming the 1D nanobelts. The nanobelts exhibit fairly high thermal stability and show conductivity at the level of semiconductors.
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