A new Cu-cysteamine complex: Structure and optical properties

Lun Ma; Wei Chen; Gabriele Schatte; Wei Wang; Alan G. Joly; Yining Huang; Ramaswami Sammynaiken; Marius Hossu

doi:10.1039/c4tc00114a

A new Cu-cysteamine complex: Structure and optical properties

Lun Ma^*, Wei Chen, Gabriele Schatte, Wei Wang, Alan G. Joly, Yining Huang, Ramaswami Sammynaiken, Marius Hossu

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

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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 = CH ₂CH₂NH₂). 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 Cu ₃Cl(SR)₂ is a new material with potential applications for lighting, radiation detection and cancer treatment.

Original language	English
Pages (from-to)	4239-4246
Number of pages	8
Journal	Journal of Materials Chemistry C
Volume	2
Issue number	21
DOIs	https://doi.org/10.1039/c4tc00114a
Publication status	Published - 7 Jun 2014
Externally published	Yes

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title = "A new Cu-cysteamine complex: Structure and optical properties",

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 = CH 2CH2NH2). 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 Cu 3Cl(SR)2 is a new material with potential applications for lighting, radiation detection and cancer treatment.",

author = "Lun Ma and Wei Chen and Gabriele Schatte and Wei Wang and Joly, {Alan G.} and Yining Huang and Ramaswami Sammynaiken and Marius Hossu",

year = "2014",

month = jun,

day = "7",

doi = "10.1039/c4tc00114a",

language = "English",

volume = "2",

pages = "4239--4246",

journal = "Journal of Materials Chemistry C",

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TY - JOUR

T1 - A new Cu-cysteamine complex

T2 - Structure and optical properties

AU - Ma, Lun

AU - Chen, Wei

AU - Schatte, Gabriele

AU - Wang, Wei

AU - Joly, Alan G.

AU - Huang, Yining

AU - Sammynaiken, Ramaswami

AU - Hossu, Marius

PY - 2014/6/7

Y1 - 2014/6/7

N2 - Here we report the structure and optical properties of a new Cu-cysteamine complex (Cu-Cy) with a formula of Cu3Cl(SR)2 (R = CH 2CH2NH2). 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 Cu 3Cl(SR)2 is a new material with potential applications for lighting, radiation detection and cancer treatment.

AB - Here we report the structure and optical properties of a new Cu-cysteamine complex (Cu-Cy) with a formula of Cu3Cl(SR)2 (R = CH 2CH2NH2). 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 Cu 3Cl(SR)2 is a new material with potential applications for lighting, radiation detection and cancer treatment.

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U2 - 10.1039/c4tc00114a

DO - 10.1039/c4tc00114a

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VL - 2

SP - 4239

EP - 4246

JO - Journal of Materials Chemistry C

JF - Journal of Materials Chemistry C

IS - 21

ER -

A new Cu-cysteamine complex: Structure and optical properties

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