A copper cluster protected with phenylethanethiol

作者：Ganguly Anindya; Chakraborty Indranath; Udayabhaskararao Thumu; Pradeep Thalappil^*

来源：Journal of Nanoparticle Research, 2013, 15(4): 1522.

DOI：10.1007/s11051-013-1522-8

• Atomically precise
• Cu cluster
• 2-Phenylethanethiol
• MALDI MS
• ESI MS

A copper cluster protected with 2-phenylethanethiol (PET) exhibiting distinct optical features in UV/Vis spectroscopy is reported. Matrix-assisted laser desorption ionisation mass spectrometry of the cluster shows a well-defined molecular ion peak at m/z 5,800, assigned to similar to Cu-38(PET)(25). Fragmented ions from the cluster show the expected isotope patterns in electrospray ionisation mass spectrometry. The as-synthesized cluster was well-characterised using other tools as well. Clusters undergo decomposition in about 2 h after synthesis as a metallic few-atom core of copper is highly unstable. The products of decomposition were also characterised.

• 出版日期2013-4