A vapochromic gold-copper complex [AuL
2
(Cu(Y)
n
)
2
](X)
3
exhibiting luminescence is provided, where L is an N-heterocyclic carbene; Y is a heteroatom-containing ligand; X is an anion, and n is an integer having a value of 1 or 2, and solvates thereof. A reaction of [AuL
2
(Cu(Y)
n
)
2
](X)
3
with water vapor or an organic compound vapor, for example, affords a modified complex that yields a change in luminescence color under UV excitation. These tricationic vapochromic materials exhibit large changes in the emission through ligand substitution reactions between the solid complex and vapors, which permit use in luminescent vapochromic sensors.
提供了一种显示发光的气相变色
金-
铜配合物[Au
L2(Cu(Y)n)2](X)3,其中L是N-杂环卡宾;Y是含杂原子的
配体;X是阴离子,n是一个取值为1或2的整数,以及其溶剂化物。将[Au
L2(Cu(Y)n)2](X)3与
水蒸气或有机化合物蒸气等反应,例如,得到一个改性配合物,可在紫外激发下产生发光颜色变化。这些三阳离子气相变色材料通过固体配合物与气体之间的
配体取代反应,展现出发射光谱的大幅变化,可用于发
光气相变色传感器。