Department of Inorganic and Organic Chemistry, Inorganic Chemistry Section, Universitat de Barcelona, Martí i Franquès 1, 08028 Barcelona, Spain.
Institute of Inorganic Chemistry, Heidelberg University, Im Neuenheimer Feld 270, 69120 Heidelberg, Germany.
Molecules. 2021 Apr 22;26(9):2444. doi: 10.3390/molecules26092444.
The synthesis of two new phosphane-gold(I)-napthalimide complexes has been performed and characterized. The compounds present luminescent properties with denoted room temperature phosphorescence (RTP) induced by the proximity of the gold(I) heavy atom that favors intersystem crossing and triplet state population. The emissive properties of the compounds together with the planarity of their chromophore were used to investigate their potential as hosts in the molecular recognition of different polycyclic aromatic hydrocarbons (PAHs). Naphthalene, anthracene, phenanthrene, and pyrene were chosen to evaluate how the size and electronic properties can affect the host:guest interactions. Stronger affinity has been detected through emission titrations for the PAHs with extended aromaticity (anthracene and pyrene) and the results have been supported by DFT calculation studies.
已经合成了两种新型膦-金（I）-萘酰亚胺配合物，并对其进行了表征。这些化合物具有发光性质，由于金（I）重原子的接近，室温磷光（RTP）得以产生，这有利于系间窜跃和三重态的形成。通过化合物的发光性质以及发色团的平面性，研究了它们作为不同多环芳烃（PAHs）分子识别主体的潜力。选择了萘、蒽、菲和芘来评估大小和电子性质如何影响主体-客体相互作用。通过发射滴定法检测到具有扩展芳香性的 PAHs（蒽和芘）具有更强的亲和力，并且通过 DFT 计算研究支持了这一结果。
