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Issue 21, 2014
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A new Cu–cysteamine complex: structure and optical properties

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Abstract

Here we report the structure and optical properties of a new Cu–cysteamine complex (Cu–Cy) with a formula of Cu3Cl(SR)2 (R = CH2CH2NH2). This Cu–Cy has a different structure from a previous Cu–Cy complex, in which both thio and amine groups from cysteamine bond with copper ions. Single-crystal X-ray diffraction and solid-state nuclear magnetic resonance results show that the oxidation state of copper in Cu3Cl(SR)2 is +1 rather than +2. Further, Cu3Cl(SR)2 has been observed to show intense photoluminescence and X-ray excited luminescence. More interesting is that Cu3Cl(SR)2 particles can produce singlet oxygen under irradiation by light or X-ray. This indicates that Cu3Cl(SR)2 is a new photosensitizer that can be used for deep cancer treatment as X-ray can penetrate soft tissues. All these findings mean that Cu3Cl(SR)2 is a new material with potential applications for lighting, radiation detection and cancer treatment.

Graphical abstract: A new Cu–cysteamine complex: structure and optical properties

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Publication details

The article was received on 17 Jan 2014, accepted on 26 Mar 2014 and first published on 31 Mar 2014


Article type: Paper
DOI: 10.1039/C4TC00114A
Author version available: Download Author version (PDF)
Citation: J. Mater. Chem. C, 2014,2, 4239-4246
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    A new Cu–cysteamine complex: structure and optical properties

    L. Ma, W. Chen, G. Schatte, W. Wang, A. G. Joly, Y. Huang, R. Sammynaiken and M. Hossu, J. Mater. Chem. C, 2014, 2, 4239
    DOI: 10.1039/C4TC00114A

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