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Ruthenium complex monomolecular film and method for preparing ruthenium complex monomolecular film on HOPG

A ruthenium complex and monomolecular film technology, applied in the field of ruthenium complex monomolecular film, can solve the problems of high equipment requirements and complicated assembly process, and achieve low preparation cost, good film forming repeatability, good electrochemical activity and Effects of photophysical properties

Active Publication Date: 2015-04-29
KUNMING UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Self-assembled membrane molecules are arranged in an orderly and compact manner, but the assembly process is complex and requires high equipment, which needs to be carried out in a clean and airtight laboratory.

Method used

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  • Ruthenium complex monomolecular film and method for preparing ruthenium complex monomolecular film on HOPG
  • Ruthenium complex monomolecular film and method for preparing ruthenium complex monomolecular film on HOPG
  • Ruthenium complex monomolecular film and method for preparing ruthenium complex monomolecular film on HOPG

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Experimental program
Comparison scheme
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Embodiment 1

[0048] The ruthenium complex monomolecular film, the pyrene group in the ruthenium complex in the ruthenium complex monomolecular film interacts with HOPG with π-electron environment through π-π interaction, and the two pyrenyl groups of the ruthenium complex molecule are fixed on the ruthenium complex monomolecular film. HOPG interface, the ruthenium complex [Ru(Py 4 G 2 MeBip 2 )](PF 6 ) 2 The general chemical formula is as follows:

[0049] .

[0050] The method for preparing a ruthenium complex monomolecular film on HOPG by spin-coating method, its specific steps are as follows:

[0051] Step 1, at first 2.312mg ruthenium complex [Ru(Py 4 G 2 MeBip 2 )](PF 6 ) 2 Dissolve in 20ml tetrahydrofuran solution to prepare 50uM ruthenium complex solution;

[0052] Step 2. Surface treatment of HOPG: Press the tape on the surface of HOPG, and then peel off to get a new smooth conductive surface;

[0053] Step 3, fix the HOPG substrate after the surface treatment in step...

Embodiment 2

[0072] The ruthenium complex monomolecular film, the pyrene group in the ruthenium complex in the ruthenium complex monomolecular film interacts with HOPG with π-electron environment through π-π interaction, and the two pyrenyl groups of the ruthenium complex molecule are fixed on the ruthenium complex monomolecular film. HOPG interface, the ruthenium complex [Ru(Py 4 G 2 MeBip 2 )](PF 6 ) 2 The general chemical formula is as follows:

[0073] .

[0074] The method for preparing a ruthenium complex monomolecular film on HOPG by spin-coating method, its specific steps are as follows:

[0075] Step 1, first 1.739mg ruthenium complex [Ru(Py 4 G 2 MeBip 2 )](PF 6 ) 2 Dissolve in 15ml tetrahydrofuran solution to prepare 50uM ruthenium complex solution;

[0076] Step 2. Surface treatment of HOPG: Press the tape on the surface of HOPG, and then peel off to get a new smooth conductive surface;

[0077]Step 3, fix the HOPG substrate after the surface treatment in step 2 o...

Embodiment 3

[0083] The ruthenium complex monomolecular film, the pyrene group in the ruthenium complex in the ruthenium complex monomolecular film interacts with HOPG with π-electron environment through π-π interaction, and the two pyrenyl groups of the ruthenium complex molecule are fixed on the ruthenium complex monomolecular film. HOPG interface, the ruthenium complex [Ru(Py 4 G 2 MeBip 2 )](PF 6 ) 2 The general chemical formula is as follows:

[0084] .

[0085] The method for preparing a ruthenium complex monomolecular film on HOPG by spin-coating method, its specific steps are as follows:

[0086] Step 1, first 2.89mg ruthenium complex [Ru(Py 4 G 2 MeBip 2 )](PF 6 ) 2 Dissolve in 25ml tetrahydrofuran solution to prepare 50uM ruthenium complex solution;

[0087] Step 2. Surface treatment of HOPG: Press the tape on the surface of HOPG, and then peel off to get a new smooth conductive surface;

[0088] Step 3, fix the HOPG substrate after the surface treatment in step 2 o...

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Abstract

The invention relates to a ruthenium complex monomolecular film and a method for preparing the ruthenium complex monomolecular film on HOPG (highly oriented pyrolytic graphite), and belongs to the technical field of molecule self-assembling chemistry. Pyrenyls in a ruthenium complex in a ruthenium complex monomolecular film and the HOPG with a Pi-electronic environment act with each other through Pi-Pi, and the two pyrenyls of the ruthenium complex are fixed on an HOPG interface; the general formula of the ruthenium complex is [Ru(Py4G2MeBip2)](PF6)2. The method comprises the steps of preparing a ruthenium complex solution, then performing surface treatment on the HOPG, and finally self-assembling the ruthenium complex on an HOPG substrate by a spinning method or an immersion method to prepare the ruthenium complex monomolecular film. The ruthenium complex monomolecular film is prepared by two methods, so that the prepared ruthenium complex monomolecular film has the advantages that the mechanical and chemical stability is high, and the thickness of the molecular film can be controlled and the like.

Description

technical field [0001] The invention relates to a ruthenium complex monomolecular film and a method for preparing the ruthenium complex monomolecular film on HOPG, belonging to the technical field of molecular self-assembly chemistry. Background technique [0002] The development of molecular self-assembly technology has brought new hope for the preparation and application of molecular devices. Monolayer films offer many scientifically and technically challenging opportunities for the study of molecular devices. The monolayer film self-assembly technology is to diffuse molecules in the solution to the substrate immersed in the solution, so that they undergo physical adsorption or chemical interaction to form an ordered molecular assembly system. Monolayer self-assembly is highly ordered and directional, and can interact with many groups, so a variety of surfaces with special interactions can be obtained through precise chemical control. [0003] Ruthenium complexes have ex...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01G9/20C04B41/46
Inventor 王华杨丽李孔斋魏永刚祝星
Owner KUNMING UNIV OF SCI & TECH
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