An effective and scale-up self-assembly route to prepare the rigid and smooth oligo(o-phenylenediamine) microfibers in acidic solution by NaClO2

作者：Chai, Liyuan; Zhang, Liyuan; Wang, Haiying^*; Yu, Wanting; Sang, Peilun

来源：Materials Letters, 2010, 64(21): 2302-2305.

DOI：10.1016/j.matlet.2010.07.043

• Oligo(o-phenylenediamine)
• NaClO2
• Self-assembly
• Microfibers

Oligo(o-phenylenediamine) (OoPD) microfibers were successfully synthesized in acidic solution by mixing o-phenylenediamine (oPD) and NaClO2 solutions together. As proved by the mass spectroscopy (MS), 1H nuclear magnetic resonance spectroscopy (H-1 NMR) and Fourier transform infrared spectroscopy (FTIR), the OoPD is composed of 2,3-diaminophenazine and 2,2'-diaminoazobenzene. Based on the scanning electron microscopy (SEM), these microfibers were observed to be rigid and smooth. However, the smooth microfibers became the saw-like materials when pH value of oPD solution increased. The method used is facile and large-scale.

• 出版日期2010-11-15
• 单位中南大学