introducing multi-interactions sites, a new rhodamine derivative BT was successfully designed and constructed. The BT can further self-assemble into a stable supramolecular organogel BTG and exhibits strong pink-white aggregation-induced emission (AIE). Interestingly, the BTG exhibits selective and ultrasensitive sensing property for Cu2+. The limit of lowest detection (LOD) of BTG for Cu2+ is approximately
在此,通过合理地引入多相互作用位点,成功设计并构建了新的若丹明衍
生物BT。的BT可以进一步自组装成稳定的超分子有机凝胶BTG并表现出强粉红色的白色聚集诱导的发射(AIE)。有趣的是,BTG对Cu 2+具有选择性和超灵敏的传感特性。BTG对Cu 2+的最低检测限(LOD)约为0.829 nM。通过将Cu 2+加入到BTG中,无荧光的Cu 2+配位
金属BTG-Cu形成。由于Hg 2+的竞争配位,BTG-Cu对Hg 2+表现出有希望的传感特性,例如高选择性和超灵敏性,荧光开启响应,对Hg 2+的即时响应(<2s)和最低检测限(LOD = 0.567 nM)。另外,BTG和BTG-Cu的干凝胶能够以99.02%和99.46%的吸附率从稀释的
水溶液中去除Cu 2+和Hg 2+。基于BTG和BTG-Cu的薄膜制备了一种不仅可以用作超分子荧光材料,而且可以分别用作检测Cu 2+和Hg 2+的简单有效的工具。