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Method for preparing fullerene flower balls on surface of soft matrix

A fullerene curd, fullerene technology, applied in organic chemistry, textile and papermaking, fiber processing, etc., can solve the problems of high fullerene content, weakened fullerene optoelectronic properties, small specific surface area, etc. The effect of high fullerene content, simple and rapid preparation method, and high specific surface area

Inactive Publication Date: 2014-06-25
DONGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Obtaining a large specific surface area and a complex microscopic surface structure is particularly important for improving the performance of functional materials. It should be pointed out that in order to retain the inherent structure and properties of fullerenes to the greatest extent, it is generally necessary to use unmodified fullerenes or The self-assembled structure morphology is prepared by using fullerene derivatives modified to a small degree, but the obtained morphology is relatively simple and has a small specific surface area, such as spherical, linear, and rod-shaped shapes with smooth surfaces.
A recently reported fullerene derivative containing a long alkyl chain can self-assemble into a complex flower-like structure (Nakanishi T., et al, Small, 2007, 3, 2019–2023), but the disadvantage is that in this molecule The introduction of large substituents makes the content of fullerene itself in the obtained complex structure material less than 50%, which seriously weakens the inherent photoelectric properties of fullerene
Therefore, it is still challenging for fullerene-based functional materials to ensure high fullerene content and controllable preparation of complex self-assembled structures of fullerenes.

Method used

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  • Method for preparing fullerene flower balls on surface of soft matrix
  • Method for preparing fullerene flower balls on surface of soft matrix
  • Method for preparing fullerene flower balls on surface of soft matrix

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] In a 100 ml single-necked volumetric flask, add 0.0582 g of C 60 , 0.0110 grams of methyl / ethyl p-formylbenzoate, 0.0381 grams of sarcosine and 30 milliliters of toluene, refluxed at 115 ° C for 5 hours under nitrogen protection, separated and purified, and obtained methyl p-benzoate and ethyl p-benzoate substituted fullerene derivatives. Characterized by MALDI-TOF-MS, I, m / z calcd911.8; found911.1; II, m / z calcd925.9; found925.2.

Embodiment 2

[0029] Fullerene curds were prepared on wool fabric surface using fullerene derivative I.

[0030] Cut the wool fabric into square pieces of about 0.25 square centimeters in size with scissors, rinse the surface with acetone, and let it dry naturally; use a pipette gun to take out 20 μl of 1 mg / ml fullerene derivative I in chloroform-ethanol (volume ratio 10:1) solution, drop directly on the wool fabric substrate, and naturally volatilize until dry; spray gold on the substrate with fullerene self-assembly structure for 20 seconds, and observe with Hitachi TM-1000 scanning electron microscope, you can see the wool fabric The prepared fullerene curds on the surface of the fabric ( figure 1 ).

Embodiment 3

[0032] Preparation of fullerene curds on nylon plastic surface using fullerene derivative I.

[0033] Cut the nylon plastic into square pieces about 0.25 cm2 in size with scissors, rinse the surface with acetone, and let it dry naturally; use a pipette gun to take out 20 μl of 1 mg / ml fullerene derivative I in chloroform-ethanol (volume ratio 10:1) solution, drop directly on the nylon plastic substrate, and naturally volatilize to dryness; spray gold on the substrate with the fullerene self-assembly structure for 20 seconds, and observe with the Hitachi TM-1000 scanning electron microscope, you can see the nylon Fullerene curds prepared on plastic surfaces ( figure 2 ).

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Abstract

The invention relates to a method for preparing fullerene flower balls on surface of a soft matrix. The method comprises the following steps: reacting fullerene C60, methyl / ethyl p-formylbenzoate and sarcosine in toluene under nitrogen protection, wherein the reaction temperature is 90-115 DEG C, the reaction time is 5-10 hours, separating and purifying to obtain a fullerene derivative; and (2) dissolving the fullerene derivative in a solvent, dripping the fullerene derivative on the soft matrix for naturally drying, thus obtaining the fullerene flower balls. A relatively small benzoate substituent group is introduced into the fullerene molecule, the content of fullerene in the obtained derivative is high and exceeds 70 percent, the operating process is simple and rapid, and the fullerene flower balls can be prepared on multiple soft matrixes and in a room temperature natural environment and have potential application prospects in the fields of functional textile materials and flexible materials.

Description

technical field [0001] The invention belongs to the field of functional nanometer materials, in particular to a method for preparing fullerene curds on the surface of a soft substrate. Background technique [0002] Fullerene (C 60 ) has attracted much attention in the field of functional nanomaterials science because of its special molecular structure and excellent optoelectronic properties. Recent studies have shown that by controlling the C 60 The self-assembled structure morphology can effectively improve the performance of functional materials (Guld D.M., et al, Chem. Soc. Rev., 2009, 38, 1587–1597). At present, many studies have reported that by modifying C 60 The surface achieves control of its self-assembled structure morphology, such as in different C 60 Among derivatives, spherical, rod-like, linear, disc-like, vesicular, tubular and complex flower-like structures have been observed (Babu S.S., et al, Chem.Soc.Rev., 2010, 39 , 4021–4035). Obtaining a large spe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D06M13/352C08J7/00C07D209/70D06M101/12D06M101/10
Inventor 张煊李旭东
Owner DONGHUA UNIV
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