非平面二元卟啉染料的合成及光电化学性质

来源 :The First Asian Conference on Porphyrins, Phthalocyanines an | 被引量 : 0次 | 上传用户:MYUCHUAN
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
  本工作旨在研究具有三维结构的三苯胺(TPA)基团对锌卟啉发色团(ZP)的光电性能影响。通过设计及合成三种二元发色团卟啉类染料:TPA-ZP,Cb-ZP,TPA-Cb-ZP,进而采用静态光谱法、电化学方法对其进行光电化学性质的研究。我们发现苯乙烯链接的卟啉及TPA 基团可以增强卟啉发色团在300nm 左右的吸收强度;三种染料在300nm 激发波长下,荧光发射光谱位置及形状非常相似;三种染料的吸收光谱及能级结构有一定的变化。该结果表明引入外链基团TPA、Cb、TPA-Cb 等提升了卟啉发色团的吸光范围和强度,为进一步研究非平面多元染料之间的耦合强度提供基础数据。
其他文献
  Being a versatile class of functional dyes,phthalocyanines possess intriguing and tunable optoelectronic,photophysical,catalytic,and self-assembly propertie
  卟啉大环在自然界广泛存在,具有优良的光物理、配位性质与生理功能。与卟啉结构类似的异卟啉则具更为有丰富、独特的结构与性能,可用于荧光探针、染料敏化太阳能电池和光动
  Porphyrinoids show unique properties derived from the robust molecular structures and the extended π-electronic structures.By arraying porphirynoids with p
会议
  Donor(D)-bridge(B)-acceptor(A)linked systems have generated remarkable interest for the last few decades.The covalent linkage between D and A with a suitabl
  Porphyrins are widely known as coordination ligands for a variety of metals in the periodic table.Because of the unique interactions between the π-conjugat
会议
会议
  In 2000,we reported the formation of meso-β doubly linked Ni(Ⅱ)porphyrin dimers by oxidation of 5,10,15-triaryl Ni(Ⅱ)porphyrins.1 Since then,we have deve
  Control electronic or excitonic interactions or manipulation electronic current in conjugated pi-system are important and difficult,and which is a key step