التفاصيل البيبلوغرافية
| العنوان: |
A bimetallic Ag15Cu12(S-c-C6H11)18(CH3COO)3 nanocluster featuring an irregular Ag12 kernel. |
| المؤلفون: |
Lin, Zhenzhen, Zhang, Ting, Fang, Cao, Jin, Shan, Xu, Chang, Hu, Daqiao, Zhu, Manzhou |
| المصدر: |
Dalton Transactions: An International Journal of Inorganic Chemistry; 1/28/2023, Vol. 52 Issue 4, p971-976, 6p |
| مصطلحات موضوعية: |
ELECTROSPRAY ionization mass spectrometry, TIME-dependent density functional theory, X-ray photoelectron spectroscopy, LIGHT absorption, ATOMIC structure, SILVER, STRONTIUM |
| مستخلص: |
Here, we report the synthesis and atomic structure of a Ag15Cu12(SR)18(CH3COO)3·(C6H14) nanocluster (Ag15Cu12 for short, SR denotes cyclohexanethiol), confirmed by single-crystal X-ray diffraction (SC-XRD), electrospray ionization mass spectrometry (ESI-MS), X-ray photoelectron spectroscopy (XPS) and thermogravimetric analysis (TGA). X-ray crystallographic analysis revealed that Ag15Cu12 consisted of an irregular Ag12 core, stabilized by the Ag3Cu12(SR)18(CH3COO)3 shell. The shell consisted of two nearly planar Cu3(SR)6 moieties, three monomeric [–SR–Ag–SR–] units and three Cu2(CH3COO) staples. Furthermore, time-dependent density functional theory (TD-DFT) simulation was performed to interpret the optical absorption features of Ag15Cu12. Overall, this work will broaden and deepen the understanding of Ag–Cu alloy nanoclusters. [ABSTRACT FROM AUTHOR] |
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| قاعدة البيانات: |
Complementary Index |
