was investigated by Stern–Volmer analysis. The OBIs and OBI-Rs were electrochemically oxidized and reduced. The powder X-ray diffraction patterns suggest that the OBI-Rs self-assemble into ordered structures in the solid state.
3,3'-二氨基联苯胺(
DAB)与1,4-苯二
甲醇(B
DM)在RuCl 2(PPh 3)3催化剂存在下反应,生成两端带有OH基的低聚
苯并咪唑(OBIs)。OBI的低聚度(DO)取决于单体进料比和反应温度。在KOH的帮助下,OBI与CH 3(CH 2)m I(m = 0、3、5、7和9)的反应引起N-和O-烷基化,生成烷基化的OBI-(CH 2)m CH 3。紫外可见测量表明OBI-CH 3与7,7,8,8-四
氰基喹二
甲烷(TCNQ)形成1:2电荷转移络合物。OBI-CH 3光致发光的强度根据添加到溶液中的TCNQ的数量而降低。通过Stern-Volmer分析研究了淬火行为。OBI和OBI-R被电
化学氧化并还原。粉末X射线衍射图表明,OBI-Rs以固态自组装成有序结构。