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Updated: Jun 13, 2025
Synthesis of Near-Infrared Emitting Gold Nanoclusters for Biological Applications
Published on: March 22, 2020
A Linear 20-Metal Cd(II)-Nd(III) Nanocluster with Temperature-Dependent NIR Luminescence for the Excitation
Lijuan Feng1, Shuhan Zhang1, Shi-Qing Wang1
1College of Chemistry and Materials Engineering, Wenzhou University, Zhejiang Key Laboratory of Carbon Materials; Key Lab of Biohealth Materials and Chemistry of Wenzhou, Wenzhou 325035, China.
Abstract:
A Cd(II)-Nd(III) nanocluster [Cd8Nd12L12(OAc)34(OH)6(H2O)2] (1) was constructed from the vanillin-type ligand 3-ethoxysalicylaldehyde (HL). It shows temperature-dependent NIR luminescence and is used to detect aloe emodin (AE) through the quenching and enhancement of Nd(III) emission, which is controlled by excitation wavelengths. The luminescence response behavior of 1 toward AE is described by IEx490 nm/IEx390 nm = A*[AE]3 + B*[AE]2 + C*[AE] + D, which can be employed to determine AE concentrations in CH3CN and fetal calf serum.
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