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Binuclear ruthenium-platinum complex and preparation method and application thereof

A platinum complex, 5-f technology, used in platinum group organic compounds, platinum organic compounds, organic compounds/hydrides/coordination complex catalysts, etc. The problem of too many points, etc., can achieve the effect of improving the catalytic efficiency and strong absorption of visible light.

Active Publication Date: 2018-08-24
NANJING UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Traditional homogeneous photocatalytic water splitting requires the use of photosensitizers, photocatalysts, and sacrificial agents, and there are problems such as poor visible light absorption ability, slow catalytic rate, easy degradation of main components, and too many components.

Method used

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  • Binuclear ruthenium-platinum complex and preparation method and application thereof
  • Binuclear ruthenium-platinum complex and preparation method and application thereof
  • Binuclear ruthenium-platinum complex and preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] 0.20mmol of Ir(tmfppy) 2 EPIP (200mg) and 0.26mmol of [Pt( t Bu 3 terpy)Cl]PF 6 (198.8mg) (molar ratio: 2:2.6) was dissolved in a mixed solution composed of 24mL dichloromethane and 8mL triethylamine (molar ratio: 674:113), heated to reflux and stirred for 30 minutes in a dark environment , then add 20mg of cuprous iodide, continue to heat and reflux and stir the reaction for 5 days in a light-proof environment, after the reaction is completed, cool to room temperature, add 20mL of 0.5M (mol / L) ammonium hexafluorophosphate aqueous solution, and stir for 30 minutes. Extract three times with dichloromethane, each 100mL, remove the solvent in a rotary evaporator, and then carry out chromatography on a silica gel column with a volume ratio of 20:1 dichloromethane and methanol as the eluent to obtain iridium-platinum Binuclear complexes.

[0031] The iridium-platinum dinuclear complex is carried out by nuclear magnetic resonance (H spectrogram sees figure 1 ), measured:...

Embodiment 2

[0034] 0.20mmol of Ir(tmfppy) 2 EPIP (200mg) and 0.32mmol of [Pt( t Bu 3 terpy)Cl]PF 6 (248.5mg) (molar ratio: 2:3.2) was dissolved in a mixed solution consisting of 24mL dichloromethane and 8mL triethylamine (molar ratio: 674:113), heated to reflux and stirred for 28 minutes in a dark environment , then add 18mg of cuprous iodide, continue to heat and reflux and stir the reaction for 100 hours in a light-proof environment, after the reaction is completed, cool to room temperature, add 10mL of 0.5M ammonium hexafluorophosphate aqueous solution, stir for 32 minutes, and extract with dichloromethane Three times, 100mL each time, remove the solvent in a rotary evaporator, and then carry out chromatographic separation in a silica gel column with a volume ratio of 20:1 methylene chloride and methanol as eluents to obtain iridium-platinum dinuclear complexes. The H spectrogram and mass spectrogram of the product are completely consistent with those in Example 1, so they are not p...

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Abstract

The invention discloses a binuclear ruthenium-platinum complex and a preparation method and application thereof. The chemical formula of the binuclear ruthenium-platinum complex is shown in the description, wherein tmfppy is 2-(4-( trifluoromethyl) phenyl) pyridine, EPIP is 2[4-ethynylphenyl]-1H-imidazo[4,5-f][1,10]phenanthroline, and L is 2,2': 6', 2''-tris(4-tert-butyl) pyridine. The binuclear ruthenium-platinum complex can be used to prepare hydrogen gas by performing catalytic reduction of water under visible light irradiation in a mixed solution of acetone and water.

Description

technical field [0001] The invention relates to a binuclear iridium-platinum complex, a preparation method and application thereof, and belongs to the field of photocatalysts. Background technique [0002] In order to cope with the energy crisis and environmental pollution caused by the massive consumption of fossil energy, human beings have turned their attention to clean and low-carbon energy, and vigorously developed green and renewable energy such as solar energy, wind energy, and geothermal energy, and improved the original coal, oil, and natural gas. The energy consumption structure provides guarantee for the energy demand of the world's rapid development and accelerated prosperity, while reducing emissions and realizing the green and sustainable development of a modern society. [0003] Among all kinds of renewable energy, solar energy, as the source of most renewable energy such as water energy and wind energy, is abundant in total, long-lasting in energy supply, and...

Claims

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Application Information

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IPC IPC(8): C07F15/00B01J31/18C01B3/04
CPCC01B3/042C07F15/0086B01J31/184B01J2531/0241B01J2531/0247B01J2531/827B01J2531/828B01J35/39Y02E60/36
Inventor 苏伊冰于振涛杨凌霞祝梅邹志刚
Owner NANJING UNIV
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