Abstract
A zinc supracluster [Zn(24)(ATZ)(18)(AcO)(30)(H(2)O)(1.5)]·(H(2)O)(3.5) (Zn(24)), and a 1D zinc supracluster chain {[Zn(24)(ATZ)(18)(AcO)(30)(C(2)H(5)OH)(2)(H(2)O)(3)]·(H(2)O)(2.5)}(n) (1-D⊂Zn(24)) with molecular diameters of 2 nm were synthesized under regulatory solvothermal conditions or the micro bottle method. In an N,N-dimethylformamide solution of Zn(24), Fe(3+), Ni(2+), Cu(2+), Cr(2+) and Co(2+) ions exhibited fluorescence-quenching effects, while the rare earth ions Ce(3+), Dy(3+), Er(3+), Eu(3+), Gd(3+), Ho(3+), La(3+), Nd(3+), Sm(3+), and Tb(3+)showed no obvious fluorescence quenching. In ethanol solution, the Zn(24) supracluster can be used to selectively detect Ce(3+) ions with excellent efficiency (limit of detection (LOD) = 8.51 × 10(-7) mol/L). The Zn(24) supracluster can also detect wavelengths between 302 and 332 nm using the intensity of the emitted light.