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ru complex ru(bpy) 3 (nh 2 ) 2 Methods combined with graphene quantum

A technology of graphene quantum dots and complexes, applied in the field of material chemistry, can solve problems such as unreported, and achieve the effects of simple production process, deepened interaction relationship, and low production cost

Inactive Publication Date: 2017-07-14
BEIJING UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the method of combining Ru complexes with graphene quantum dots (GQDs) has not been reported.

Method used

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  • ru complex ru(bpy) <sub>3</sub> (nh <sub>2</sub> ) <sub>2</sub> Methods combined with graphene quantum
  • ru complex ru(bpy) <sub>3</sub> (nh <sub>2</sub> ) <sub>2</sub> Methods combined with graphene quantum
  • ru complex ru(bpy) <sub>3</sub> (nh <sub>2</sub> ) <sub>2</sub> Methods combined with graphene quantum

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] 1). The mixed solvent configuration of ethylene glycol and water: mix 18mL ethylene glycol and 2mL secondary water evenly;

[0027] 2). Put 1mM 4,4'-diamino-2,2'-bipyridine and 1mM cis-dichlorobis(2,2'-bipyridine)ruthenium dihydrate into the mixture of ethylene glycol and water solvent, and the mixed solvent was condensed and refluxed for 6 hours at 120 degrees or the like;

[0028] 3). Cool the dark red solution obtained in 2) at room temperature for 1 hour, and then dilute it with 40 mL of secondary water;

[0029] 4). Filter the diluted liquid in 3) through a filter membrane with a pore size of 0.45 μm to produce a dark red filtrate;

[0030] 5). Add 0.2g NH to the deep red filtrate produced in 4) 4 PF 6 Solid, producing orange-yellow precipitate;

[0031] 6). The orange-yellow precipitate was washed several times with water and ether, and dried in vacuum to obtain an orange-red crude product;

[0032] 7). Dissolve the orange-red crude product in 20 mL of aceton...

Embodiment 2

[0036] Steps 1) to 8) are the same as in Example 1.

[0037] 8), the Ru (bpy) 3 (NH 2 ) 2 Dissolve in secondary water and dilute with secondary water to obtain 10mmol / L Ru(bpy) 3 (NH 2 ) 2 solution;

[0038] 9), for Ru(bpy) 3 (NH 2 ) 2 The solution was measured for UV absorbance. The resulting UV spectrum is shown in image 3 1 of them.

Embodiment 3

[0040] 1), the graphene quantum dot stock solution of 1mL 1mg / mL particle diameter less than 10nm is diluted with secondary water to obtain the graphene quantum dot solution of 1mL 1ug / mL;

[0041] 2), measure the ultraviolet absorption to the graphene quantum dot solution. The resulting UV spectrum is shown in image 3 2 of them.

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Abstract

The invention provides a method for compounding a Ru complex Ru(bpy)3(NH2)2 with graphene quantum dots (GQDs), belonging to the field of materials chemistry. The method is characterized in that carboxyl functional groups located at the edges of the GQDs may undergo an addition reaction with amino function groups and the novel Ru complex Ru(bpy)3(NH2)2 is designed and produced, so a composite structure of GQDs-Ru(bpy)3(NH2)2 is generated. The generated composite structure of GQDs-Ru(bpy)3(NH2)2 enables GQDs and Ru(bpy)3(NH2)2 to be compounded together, so the composite structure integrates excellent properties of both GQDs and Ru(bpy)3(NH2)2; meanwhile, the Ru complex well interacts with DNA, so the GQDs-Ru(bpy)3(NH2)2 composite structure is favorable for further deepening of interaction between GQDs and DNA. The method is simple in flow, low in preparation cost and convenient to use in research and practical use.

Description

technical field [0001] The invention relates to a method for combining newly synthesized Ru complexes and graphene quantum dots through carboxylamine, belonging to the field of material chemistry. Background technique [0002] Many transition metal complexes have rich photochemical and physical properties, especially ruthenium (Ru) complexes. has been widely concerned. Graphene, as a new type of material with a single-layer sheet structure consisting of carbon atoms in sp2 hybridized orbitals and a planar film with a hexagonal honeycomb lattice, has been used since its discovery due to its unique physical and chemical properties. It is a hotspot of research. However, the method of combining Ru complexes with graphene quantum dots (GQDs) has not been reported. The present invention mainly uses the carboxyl functional group existing on the edge of GQDs to react with the amino functional group to design and generate a new Ru complex Ru(bpy) 3 (NH 2 ) 2 , resulting in GQDs...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C01G55/00C30B29/54C30B7/14
CPCC01G55/002C01P2002/84C30B7/14C30B29/54
Inventor 鲁理平郭林青
Owner BEIJING UNIV OF TECH
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