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<p>Two novel Cu(I) complexes, [Cu(tdt)] (<b>1</b>) and [Cu<sub>6</sub>(mtt)<sub>6</sub>] (<b>2</b>), were synthesized using the solvothermal method with CuI and 1,3,4-thiadiazole-2-thiol (Htdt) or 4-methylthiazole-2-thiol (Hmtt). In <b>1</b>, Cu(I) coordinates with the tdt ligand to form a new two-dimensional copper-sulfur based coordination polymer; tdt links binuclear copper clusters into a graphite-like layered structure. In <b>2</b>, Cu(I) coordinates with the mtt ligand to form a copper-sulfur cluster-based compound; six mtt surround six copper atoms to construct an inverted triangular prismatic [Cu<sub>6</sub>S<sub>6</sub>] cluster molecule. Sulfur-sulfur interactions were observed in the structures of both compounds. We also tested the luminescent properties of the compounds: complex <b>1</b> emits red light at 632&#xa0;nm under excitation, while complex <b>2</b> emits near-infrared photoluminescence at 833&#xa0;nm in its solid-state photoluminescence spectrum.</p>

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Structures and Photoluminescence Properties of Two Cu(I) Thiolate Complexes Supported by Sulfur-Sulfur Interactions

  • 期刊论文

  • 发表日期：

    2025年10月5日

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  • Shu-Yan Liang,
  • Zi-Yi Wu,
  • Sheng Hu

摘要

Two novel Cu(I) complexes, [Cu(tdt)] (1) and [Cu6(mtt)6] (2), were synthesized using the solvothermal method with CuI and 1,3,4-thiadiazole-2-thiol (Htdt) or 4-methylthiazole-2-thiol (Hmtt). In 1, Cu(I) coordinates with the tdt ligand to form a new two-dimensional copper-sulfur based coordination polymer; tdt links binuclear copper clusters into a graphite-like layered structure. In 2, Cu(I) coordinates with the mtt ligand to form a copper-sulfur cluster-based compound; six mtt surround six copper atoms to construct an inverted triangular prismatic [Cu6S6] cluster molecule. Sulfur-sulfur interactions were observed in the structures of both compounds. We also tested the luminescent properties of the compounds: complex 1 emits red light at 632 nm under excitation, while complex 2 emits near-infrared photoluminescence at 833 nm in its solid-state photoluminescence spectrum.