Excitation wavelength-reliant light-induced energy and electron processes in pyrene and naphthalene functionalized dual-dye integrated polyaromatic azaborondipyrromethenes
作者:Anjaiah Boligorla、Manne Naga Rajesh、Lingamallu Giribabu、Raghu Chitta
DOI:10.1039/d3nj03973k
日期:——
moieties, TABPY. The structural integrity of the synthesized compounds is elucidated by NMR and HRMS techniques. Spectral overlap of the emission of pristine naphthalene, Naph and absorption of TABPY suggested that the naphthalene moieties in 1 and 3 would behave as energy donors and azaBODIPY as an energy acceptor. On the other hand, electrochemical studies on 1 and 2 suggested that, upon photoexcitation
合成了基于聚芳烃的双染料集成氮杂硼二吡咯亚甲基(azaBODIPY)1,分别在1,7-和3,5位上含有芘和萘,并计算了光诱导能量(PEnT)和电子转移(PET)事件探索过。通过制备含有芘、2或萘、3和甲苯基部分TABPY的azaBODIPY 中心对照化合物,研究了各个成分(即芘、萘和azaBODIPY 部分)在光引发事件中的贡献。通过 NMR 和 HRMS 技术阐明了合成化合物的结构完整性。原始萘、 Naph的发射和TABPY的吸收的光谱重叠表明1和3中的萘部分将充当能量供体,而 azaBODIPY 将充当能量受体。另一方面,对1和2的电化学研究表明,在光激发时,azaBODIPY核心侧翼的芘部分可以充当电子供体,azaBODIPY部分可以充当受体,这一点得到了计算机研究的进一步支持。稳态荧光研究表明,在 275 nm 处选择性激发3后,观察到与萘部分相对应的荧光被猝灭,随后在 694 nm