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Luminescent copper-thiol polymer single crystal and preparation method thereof

A polymer and thiol technology, applied in the direction of luminescent materials, chemical instruments and methods, etc., can solve the problems of high cost and unsuitable for large-scale promotion and use, and achieve the effect of high fluorescence luminescence performance

Active Publication Date: 2022-03-01
NINGBO INST OF NORTHWESTERN POLYTECHNICAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the prior art, most of the fluorescent metal nanoparticles use gold and silver precious metal particles, which are expensive and not suitable for large-scale promotion and use

Method used

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  • Luminescent copper-thiol polymer single crystal and preparation method thereof
  • Luminescent copper-thiol polymer single crystal and preparation method thereof
  • Luminescent copper-thiol polymer single crystal and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] S1 Add 10ml of toluene and 40mg of TOAB into a 50ml flask, stir to dissolve, then add 10mg of silver acetate dissolved in 5ml of acetonitrile, and stir at 600rpm for 30min at room temperature.

[0032] Add 50 mg of adamantanethiol to the reaction solution in S1 in S2, and at the same time, dissolve 10 mg of CuCl in 5 mL of acetonitrile 2 A mixture with 10 mg of triphenylphosphine was added to the above solution. The reaction was stirred for 1 hour at a uniform rotational speed of 600 rpm.

[0033] After S31 hours, 40mg NaBH 4 Dissolved in 5 mL of ice water and added to the reaction solution in S2 to reduce metal ions. The reaction was carried out at room temperature for 12h.

[0034] The reaction product in S3 was evaporated to dryness with a rotary evaporator, extracted with n-hexane and centrifuged, and the supernatant was volatilized and crystallized to obtain a yellow transparent strip-shaped single crystal within 3 to 5 days.

Embodiment 2

[0036] S1 Add 10ml of dichloromethane and 40mg of TOAB into a 50ml flask, stir to dissolve, then add 10mg of silver acetate dissolved in 5ml of ethanol, and stir at 600rpm for 10min at room temperature.

[0037] Add 50mg of adamantanethiol to the reaction solution in S1 in S2, and at the same time, dissolve 10mg of CuCl in 5mL of ethanol 2 A mixture with 10 mg of triphenylphosphine was added to the above solution. The reaction was stirred for 1 hour at a uniform rotational speed of 600 rpm.

[0038] After S31 hours, 40mg NaBH 4 Dissolved in 5 mL of ice water and added to the reaction solution in S2 to reduce metal ions. The reaction was carried out at room temperature for 12h.

[0039] S4 The reaction product in S3 is evaporated to dryness with a rotary evaporator, extracted with n-hexane and centrifuged, and the supernatant is volatilized and crystallized to obtain a yellow transparent long single crystal within 3 to 5 days.

Embodiment 3

[0041] S1 Add 10ml of toluene and 40mg of TOAB into a 50ml flask, stir to dissolve, then add 10mg of silver nitrate dissolved in 5ml of deionized water, stir at 600rpm for 30min at room temperature, and remove the water phase.

[0042] Add 50mg of adamantanethiol to the reaction solution in S1 in S2, and at the same time, dissolve 10mg of CuCl in 5mL of methanol 2 A mixture with 10 mg of triphenylphosphine was added to the above solution. The reaction was stirred for 1 hour at a uniform rotational speed of 600 rpm.

[0043] After S31 hours, 50mg NaBH 4 Dissolved in 5 mL of ice water and added to the reaction solution in S2 to reduce metal ions. The reaction was carried out at room temperature for 12h.

[0044] S4 The reaction product in S3 is evaporated to dryness with a rotary evaporator, extracted with n-hexane and centrifuged, and the supernatant is volatilized and crystallized to obtain a yellow transparent long single crystal within 3 to 5 days.

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Abstract

The invention provides a luminous copper-mercaptan polymer single crystal, the copper-mercaptan polymer is a Cu chain polymer protected by adamantane mercaptan ligands, each basic unit comprises four Cu atoms and four adamantane mercaptan ligands, the Cu atoms and sulfur atoms in the adamantane mercaptan ligands are alternately connected to form a one-dimensional chain structure, and the chemical formula of the polymer is [-Cu4 (SC10H15) 4-] n. One purpose of the invention is to provide the luminous copper-thiol polymer single crystal synthesized by ion induction, and compared with reported copper nanoparticles, the luminous copper-thiol polymer single crystal has a unique chain structure and shows good photoluminescence performance in air. The second purpose of the invention is to provide a preparation method of the luminous copper-thiol polymer single crystal.

Description

technical field [0001] The invention relates to the technical field of nanomaterial preparation, in particular to a luminescent copper-thiol polymer single crystal and a preparation method thereof. Background technique [0002] Due to their unique physical and chemical properties, metal nanoparticles have attracted the attention of many scientific researchers in recent years. Among them, photoluminescence is one of its important characteristics. The results show that the photoluminescence of metal nanoparticles has the following characteristics: optical stability, good biocompatibility, low toxicity, large Stokes shift, and near-infrared luminescence. These properties make fluorescent metal nanoparticles have good application prospects in biological imaging, biological probes, optical devices and other fields. Therefore, the preparation of metal nanoparticles with photoluminescent properties has become one of the current hot spots pursued by nano-scientists. [0003] In t...

Claims

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Application Information

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IPC IPC(8): C08G83/00C09K11/06
CPCC08G83/008C09K11/06C09K2211/188
Inventor 姚传好向慧鑫黄维
Owner NINGBO INST OF NORTHWESTERN POLYTECHNICAL UNIV
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