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CN101254916B - Method for In Situ Synthesis of Metal Phthalocyanine/Carbon Nanotube Composite - Google Patents

Method for In Situ Synthesis of Metal Phthalocyanine/Carbon Nanotube Composite Download PDF

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CN101254916B
CN101254916B CN2008101038068A CN200810103806A CN101254916B CN 101254916 B CN101254916 B CN 101254916B CN 2008101038068 A CN2008101038068 A CN 2008101038068A CN 200810103806 A CN200810103806 A CN 200810103806A CN 101254916 B CN101254916 B CN 101254916B
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carbon nanotubes
carbon nanotube
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nanotube composite
phthalocyanine
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胡晓明
左霞
夏定国
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Beijing University of Technology
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Abstract

The invention relates to an in situ synthetic method of metalphthalein/carbon nanotube composite, which belongs to the field of the inorganic/organic nanometer composite material research. The invention solves the problems of metalphthalein/carbon nanotube composite prepared by physical blend method, including weak combination between phthalocyanine molecule and carbon nanotubes, and non-uniform distribution of the phthalocyanine molecule on the surface of the carbon nanotubes. The synthetic method includes adding the carbon nanotubes to the organic solvent, and ultrasonic dispersing for 10-40min to obtain the suspension; and mixing the precursor with metal-salt at a molar ratio of 3-8:1, adding to the suspension at a weight ratio of mixture to the carbon nanotubes of 3-11:1, stirring and reacting at 160-240 DEG C in the nitrogen protecting atmosphere for 1-6h, filtering the resultant, rinsing with he absolute ethanol until the filtrate is colorless, and vacuum drying at 50-100 DEG C for 5-30h to obtain the objective product. The phthalocyanine molecule and the carbon nanotubes are combined tightly, and the phthalocyanine molecule can uniformly grow on the external wall of the carbon nanotubes to form microcrystals.

Description

原位合成金属酞菁/碳纳米管复合物的方法Method for In Situ Synthesis of Metal Phthalocyanine/Carbon Nanotube Composite

技术领域technical field

本发明属于无机/有机纳米复合材料研究领域,具体涉及一种基于原位合成金属酞菁/碳纳米管复合物的方法。The invention belongs to the research field of inorganic/organic nanocomposite materials, and specifically relates to a method based on in-situ synthesis of metal phthalocyanine/carbon nanotube composites.

背景技术Background technique

碳纳米管(CNT)是一种由碳原子以六边形排列单层或多层的同轴圆管,径向尺寸为纳米量级,轴向尺寸为微米量级的准一维量子材料,因而具有非常独特的电学和力学性质,近些年已经迅速成为物理、化学、材料甚至生物学等基础科学的研究热点,作为制备纳米尺寸器件极具潜力的候选材料在许多高科技领域中有着广阔的应用景。Carbon nanotube (CNT) is a quasi-one-dimensional quantum material in which carbon atoms are arranged in a hexagonal single-layer or multi-layer coaxial tube, the radial dimension is on the order of nanometers, and the axial dimension is on the order of micrometers. Therefore, it has very unique electrical and mechanical properties. In recent years, it has rapidly become a research hotspot in basic sciences such as physics, chemistry, materials and even biology. application scene.

目前,各种特定性能的碳纳米管逐渐引起人们的兴趣,碳纳米管表面用有机、无机或生物分子修饰使碳纳米管的物理、化学性能发生显著改变而赋予其更多新的性能,其中,制备各种具有功能有机分子/碳纳米管复合物,并对其开展应用研究是一个极其重要的研究方向。到目前为止碳纳米管有机化学修饰主要通过两种途径来实现,一种是碳纳米管端基或碳管侧壁共价键化学修饰;另一种是非共价键修饰,如物理包覆、表面活化剂功能化、聚合物功能化、内腔功能化等。At present, carbon nanotubes with various specific properties are gradually attracting people's interest. The surface of carbon nanotubes is modified with organic, inorganic or biomolecules to significantly change the physical and chemical properties of carbon nanotubes and endow them with more new properties. , preparation of various functional organic molecules/carbon nanotube composites, and its application research is an extremely important research direction. So far, the organic chemical modification of carbon nanotubes is mainly realized through two ways, one is the covalent bond chemical modification of carbon nanotube end groups or carbon tube side walls; the other is non-covalent bond modification, such as physical coating, Surfactant functionalization, polymer functionalization, lumen functionalization, etc.

酞菁类化合物具有高的共轭结构和化学稳定性,是一类有机功能染料,因其具有很好的光、热及化学稳定性,优异的光、电性质,以及分子结构的可调变性使其在光导、光存储、光电催化、化学传感器、光伏打电池、非线性光学、电致变色显示等高新技术领域具有广阔的应用前景。Phthalocyanine compounds have a high conjugated structure and chemical stability, and are a class of organic functional dyes, because they have good light, heat and chemical stability, excellent optical and electrical properties, and adjustable molecular structure. It has broad application prospects in high-tech fields such as photoconductivity, optical storage, photoelectric catalysis, chemical sensors, photovoltaic batteries, nonlinear optics, and electrochromic displays.

已有文献报道采用物理共混法制备金属酞菁/碳纳米管复合物,此方法虽然比较简单,但酞菁分子与碳纳米管之间结合不紧密容易脱落,并且较难控制分子在碳纳米管表面的均匀分布。It has been reported in the literature that metal phthalocyanine/carbon nanotube composites are prepared by physical blending method. Although this method is relatively simple, the combination between phthalocyanine molecules and carbon nanotubes is not tight and easy to fall off, and it is difficult to control the molecules in carbon nanotubes. Uniform distribution on the tube surface.

发明内容Contents of the invention

本发明的目的在于利用原位合成的方法将金属酞菁类大环配合物包覆在碳纳米管表面,形成稳定的具有微晶结构的金属酞菁/碳纳米管复合物。The purpose of the present invention is to coat the metal phthalocyanine macrocyclic complex on the surface of carbon nanotubes by means of in-situ synthesis to form a stable metal phthalocyanine/carbon nanotube composite with a microcrystalline structure.

本发明所提供的原位合成金属酞菁/碳纳米管的方法,通过在适当的有机溶剂中,将碳纳米管和合成金属酞菁配合物所需的相应前驱体,金属盐混和,前驱体分子以金属离子为模板在碳纳米管外壁表面环合生成相应的金属酞菁配合物,最终形成稳定的具有微晶结构的金属酞菁/碳纳米管复合物。The method for in-situ synthesis of metal phthalocyanine/carbon nanotubes provided by the present invention is to mix carbon nanotubes with the corresponding precursors and metal salts required for the synthesis of metal phthalocyanine complexes in an appropriate organic solvent, and the precursors Molecules use metal ions as templates to form corresponding metal phthalocyanine complexes on the surface of the outer wall of carbon nanotubes, and finally form a stable metal phthalocyanine/carbon nanotube complex with a microcrystalline structure.

具体步骤如下:Specific steps are as follows:

1)将碳纳米管加入到有机溶剂中,加入量为2~20mg碳纳米管/ml有机溶剂,超声波震荡分散10~40min,得到碳纳米管悬浊液;1) Add carbon nanotubes to an organic solvent in an amount of 2 to 20 mg carbon nanotubes/ml organic solvent, disperse with ultrasonic vibration for 10 to 40 minutes, and obtain a carbon nanotube suspension;

2)将前驱体和金属盐按摩尔比3~8∶1研磨混合后,加入到步骤1)中的碳纳米管悬浊液中,前驱体和金属盐混合物与碳纳米管的质量比为3~11∶1,在氮气保护下,于160~240℃搅拌反应1~6h,产物经过滤、无水乙醇淋洗至滤液为无色后,再于50~100℃真空干燥5~30h,得到黑色粉末状产物,即金属酞菁/碳纳米管复合物。2) Grinding and mixing the precursor and the metal salt at a molar ratio of 3 to 8:1, then adding it to the carbon nanotube suspension in step 1), the mass ratio of the precursor and the metal salt mixture to the carbon nanotube is 3 ~11:1, under the protection of nitrogen, stirred and reacted at 160~240°C for 1~6h, the product was filtered and rinsed with absolute ethanol until the filtrate was colorless, and then vacuum dried at 50~100°C for 5~30h to obtain The black powdery product is metal phthalocyanine/carbon nanotube composite.

其中,所述的碳纳米管为多壁碳纳米管,直径为50~200nm,长度为2~20μm;步骤1)中所述的有机溶剂选自喹啉、硝基苯、氯萘或三氯苯中的一种;步骤2)中所述的前驱体为邻二腈基苯或邻二腈基苯与1,2,4,5-苯四甲腈按摩尔比为3~6∶1的混合物;步骤2)中所述的金属盐为FeCl2·4H2O、CoCl2·6H2O、CuCl2·2H2O、ZnCl2·2H2O、NiCl2·6H2O或MnCl2·4H2O中的一种。Wherein, the carbon nanotubes are multi-walled carbon nanotubes with a diameter of 50-200 nm and a length of 2-20 μm; the organic solvent described in step 1) is selected from quinoline, nitrobenzene, chloronaphthalene or trichloro A kind of in benzene; The precursor described in step 2) is o-dicyanobenzene or o-dicyanobenzene and 1,2,4,5-benzene tetracarbonitrile molar ratio is 3~6:1 mixture; the metal salt described in step 2) is FeCl 2 .4H 2 O, CoCl 2 .6H 2 O, CuCl 2 .2H 2 O, ZnCl 2 .2H 2 O, NiCl 2 .6H 2 O or MnCl 2 . One of 4H 2 O.

与现有技术相比较,本发明具有以下优点:Compared with the prior art, the present invention has the following advantages:

1)本发明所制的备金属酞菁/碳纳米管复合物中酞菁分子与碳纳米管之间结合牢固;而且酞菁分子可以在碳管外壁均匀生长形成微晶。1) The combination between the phthalocyanine molecules and the carbon nanotubes in the metal phthalocyanine/carbon nanotube composite prepared by the present invention is firm; and the phthalocyanine molecules can grow uniformly on the outer wall of the carbon tubes to form microcrystals.

2)本发明所制备金属酞菁/碳纳米管复合物可用于氢气存储、光电催化、化学传感器等领域。2) The metal phthalocyanine/carbon nanotube composite prepared in the present invention can be used in fields such as hydrogen storage, photoelectric catalysis, and chemical sensors.

附图说明Description of drawings

图1、实施例1制备的金属酞菁/碳纳米管复合物在二甲基亚砜(DMSO)中的电子吸收光谱。Fig. 1, the electronic absorption spectrum of the metal phthalocyanine/carbon nanotube composite prepared in Example 1 in dimethyl sulfoxide (DMSO).

图2、实施例2制备的金属酞菁/碳纳米管复合物透射电镜照片。Fig. 2, transmission electron micrograph of the metal phthalocyanine/carbon nanotube composite prepared in Example 2.

图3、实施例3制备的金属酞菁/碳纳米管复合物透射电镜照片。Fig. 3, transmission electron micrograph of the metal phthalocyanine/carbon nanotube composite prepared in Example 3.

图4、实施例4制备的金属酞菁/碳纳米管复合物电子衍射照片。Fig. 4, electron diffraction photo of the metal phthalocyanine/carbon nanotube composite prepared in Example 4.

以下结合附图及具体实施方式对本发明作进一步描述。The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

具体实施方式Detailed ways

实施例1Example 1

1)取0.10g多壁碳纳米管,直径为50~70nm,长度为20μm,加入40ml硝基苯中,在超声波下震荡分散20min,得到碳纳米管悬浊液;1) Take 0.10 g of multi-walled carbon nanotubes with a diameter of 50-70 nm and a length of 20 μm, add them to 40 ml of nitrobenzene, oscillate and disperse under ultrasonic waves for 20 minutes, and obtain a suspension of carbon nanotubes;

2)将0.76g邻二腈基苯,0.18g l,2,4,5-苯四甲腈和0.22g FeCl2·4H2O研磨混合后,加入步骤1)中的碳纳米管悬浊液中,在氮气保护下,于200℃搅拌反应4h,产物过滤后经无水乙醇淋洗至滤液为无色,将产物在80℃真空干燥24h得到双核酞菁铁/碳纳米管复合物,附图1为双核酞菁铁/碳纳米管复合物在DMSO中的电子吸收光谱,出现双核酞菁铁Q带最大吸收峰出现在684nm处。2) Grinding and mixing 0.76g of o-dicyanobenzene, 0.18g of 1,2,4,5-pyrenetetracarbonitrile and 0.22g of FeCl 2 .4H 2 O, and adding them to the carbon nanotube suspension in step 1) , under the protection of nitrogen, stirred and reacted at 200°C for 4h, the product was filtered and rinsed with absolute ethanol until the filtrate was colorless, and the product was vacuum-dried at 80°C for 24h to obtain a dual-nuclear iron phthalocyanine/carbon nanotube composite. 1 is the electronic absorption spectrum of the dinuclear iron phthalocyanine/carbon nanotube composite in DMSO, and the Q-band maximum absorption peak of the dinuclear iron phthalocyanine appears at 684nm.

实施例2Example 2

1)取0.20g多壁碳纳米管,直径为50~70nm,长度为20μm,加入40ml硝基苯,在超声波下震荡分散20min,得到碳纳米管悬浊液;1) Take 0.20 g of multi-walled carbon nanotubes with a diameter of 50-70 nm and a length of 20 μm, add 40 ml of nitrobenzene, oscillate and disperse under ultrasonic waves for 20 minutes, and obtain a suspension of carbon nanotubes;

2)将0.64g邻二腈基苯,0.18g l,2,4,5-苯四甲腈和0.22g FeCl2·4H2O研磨混合后,加入步骤1)中的碳纳米管悬浊液中,在氮气保护下,在200℃搅拌反应4h,产物过滤后经无水乙醇淋洗至滤液为无色,将产物在80℃真空干燥24h得到双核酞菁铁/碳纳米管复合物,从附图2双核酞菁铁/碳纳米管复合物透射电镜照片表明双核酞菁铁均匀包覆在碳纳米管的表面。2) Grinding and mixing 0.64g of o-dicyanobenzene, 0.18g of 1,2,4,5-pyrenetetracarbonitrile and 0.22g of FeCl 2 .4H 2 O, and adding them to the carbon nanotube suspension in step 1) , under the protection of nitrogen, stirred and reacted at 200°C for 4h, filtered the product and rinsed it with absolute ethanol until the filtrate was colorless, dried the product in vacuum at 80°C for 24h to obtain a dinuclear iron phthalocyanine/carbon nanotube composite, obtained from the attached Fig. 2 The transmission electron micrograph of the dinuclear iron phthalocyanine/carbon nanotube composite shows that the dinuclear iron phthalocyanine is uniformly coated on the surface of the carbon nanotubes.

实施例3Example 3

1)取0.10g多壁碳纳米管,直径为50~70nm,长度为20μm,加入40ml硝基苯,在超声波下震荡分散40min,得到碳纳米管悬浊液;1) Take 0.10 g of multi-walled carbon nanotubes with a diameter of 50-70 nm and a length of 20 μm, add 40 ml of nitrobenzene, oscillate and disperse under ultrasonic waves for 40 minutes, and obtain a suspension of carbon nanotubes;

2)将0.50g邻二腈基苯,0.18g l,2,4,5-苯四甲腈,0.22g FeCl2·4H2O研磨混合后,加入步骤1)中的碳纳米管悬浊液中,在氮气保护下,在200℃搅拌反应4h,产物过滤后经无水乙醇淋洗至滤液为无色,将产物在80℃真空干燥24h得到双核酞菁铁/碳纳米管复合物,附图3为双核酞菁铁/碳纳米管复合物高分辨透射电镜照片,照片中出现明显的晶格条纹,表明双核酞菁铁在碳纳米管表面形成有序的微晶结构。2) Grind and mix 0.50g o-dicyanobenzene, 0.18g l,2,4,5-pyrenetetracarbonitrile, 0.22g FeCl 2 4H 2 O, and add to the carbon nanotube suspension in step 1) , under the protection of nitrogen, stirred and reacted at 200°C for 4h, the product was filtered and rinsed with absolute ethanol until the filtrate was colorless, and the product was vacuum-dried at 80°C for 24h to obtain a dual-nuclear iron phthalocyanine/carbon nanotube composite. 3 is a high-resolution transmission electron microscope photo of the dinuclear iron phthalocyanine/carbon nanotube composite, and obvious lattice fringes appear in the photo, indicating that the dinuclear iron phthalocyanine forms an ordered microcrystalline structure on the surface of the carbon nanotubes.

实施例4Example 4

1)取0.10g多壁碳纳米管,直径为50~70nm,长度为20μm,加入40ml硝基苯,在超声波下震荡分散30min,得到碳纳米管悬浊液;1) Take 0.10 g of multi-walled carbon nanotubes with a diameter of 50-70 nm and a length of 20 μm, add 40 ml of nitrobenzene, oscillate and disperse under ultrasonic waves for 30 minutes, and obtain a suspension of carbon nanotubes;

2)将0.38g邻二腈基苯,0.18g l,2,4,5-苯四甲腈,0.22g FeCl2·4H2O研磨混合后,加入步骤1)中的碳纳米管的悬浊液中,在氮气保护下,在200℃搅拌反应4h,产物过滤后经无水乙醇淋洗至滤液为无色,将产物在100℃真空干燥5h得到双核酞菁铁/碳纳米管复合物。附图4为双核酞菁铁/碳纳米管复合物电子衍射照片。2) Grinding and mixing 0.38g o-dicyanobenzene, 0.18g l,2,4,5-pyrenetetracarbonitrile and 0.22g FeCl 2 4H 2 O, then adding the carbon nanotube suspension in step 1) , under the protection of nitrogen, stirred and reacted at 200°C for 4h, the product was filtered and rinsed with absolute ethanol until the filtrate was colorless, and the product was vacuum-dried at 100°C for 5h to obtain a binuclear iron phthalocyanine/carbon nanotube composite. Accompanying drawing 4 is the electron diffraction photograph of binuclear iron phthalocyanine/carbon nanotube composite.

实施例5Example 5

1)取0.80g多壁碳纳米管,直径为70~100nm,长度为2~5μm,加入40ml硝基苯,在超声波下震荡分散30min,得到碳纳米管悬浊液;1) Take 0.80 g of multi-walled carbon nanotubes with a diameter of 70-100 nm and a length of 2-5 μm, add 40 ml of nitrobenzene, oscillate and disperse under ultrasonic waves for 30 minutes, and obtain a suspension of carbon nanotubes;

2)将1.5g邻二腈基苯,0.50g CoCl2·6H2O研磨混合后,加入步骤1)中的碳纳米管的悬浊液中,在氮气保护下,在160℃搅拌反应6h,产物过滤后经无水乙醇淋洗至滤液为无色,将产物在80℃真空干燥24h得到酞菁钴/碳纳米管复合物。2) Grinding and mixing 1.5 g of o-dicyanobenzene and 0.50 g of CoCl 2 ·6H 2 O, adding them to the suspension of carbon nanotubes in step 1), stirring and reacting at 160° C. for 6 h under the protection of nitrogen, After the product was filtered, it was rinsed with absolute ethanol until the filtrate was colorless, and the product was vacuum-dried at 80° C. for 24 hours to obtain a cobalt phthalocyanine/carbon nanotube composite.

实施例6Example 6

1)取0.10g多壁碳纳米管,直径为50~70nm,长度为2~5μm,加入40ml三氯苯,在超声波下震荡分散30min,得到碳纳米管悬浊液;1) Take 0.10 g of multi-walled carbon nanotubes with a diameter of 50-70 nm and a length of 2-5 μm, add 40 ml of trichlorobenzene, oscillate and disperse under ultrasonic waves for 30 minutes, and obtain a suspension of carbon nanotubes;

2)将0.50g邻二腈基苯,0.20g CuCl2·2H2O研磨混合后,加入步骤1)中的碳纳米管的悬浊液中,在氮气保护下,在180℃搅拌反应2h,产物过滤后经无水乙醇淋洗至滤液为无色,将产物在50℃真空干燥30h得到酞菁铜/碳纳米管复合物。2) Grinding and mixing 0.50 g of o-dicyanobenzene and 0.20 g of CuCl 2 ·2H 2 O, adding to the suspension of carbon nanotubes in step 1), stirring and reacting at 180° C. for 2 h under the protection of nitrogen, After the product was filtered, it was rinsed with absolute ethanol until the filtrate was colorless, and the product was vacuum-dried at 50° C. for 30 h to obtain a copper phthalocyanine/carbon nanotube composite.

实施例7Example 7

1)取0.50g多壁碳纳米管,直径为150~200nm,长度为20μm,加入100ml氯萘,在超声波下震荡分散40min,得到碳纳米管悬浊液;1) Take 0.50 g of multi-walled carbon nanotubes with a diameter of 150-200 nm and a length of 20 μm, add 100 ml of chloronaphthalene, oscillate and disperse for 40 minutes under ultrasonic waves, and obtain a carbon nanotube suspension;

2)将1.0g邻二腈基苯,0.17g ZnCl2·2H2O研磨混合后,加入步骤1)中的碳纳米管的悬浊液中,在氮气保护下,在240℃搅拌反应1h,产物过滤后经无水乙醇淋洗至滤液为无色,将产物在80℃真空干燥24h得到酞菁锌/碳纳米管复合物。2) Grinding and mixing 1.0 g of o-dicyanobenzene and 0.17 g of ZnCl 2 ·2H 2 O, adding to the suspension of carbon nanotubes in step 1), stirring and reacting at 240° C. for 1 h under the protection of nitrogen, After the product was filtered, it was rinsed with absolute ethanol until the filtrate was colorless, and the product was vacuum-dried at 80° C. for 24 hours to obtain a zinc phthalocyanine/carbon nanotube composite.

实施例8Example 8

1)取0.10g多壁碳纳米管,直径为50~70nm,长度为2~5μm,加入50ml三氯苯,在超声波下震荡分散30min,得到碳纳米管悬浊液;1) Take 0.10 g of multi-walled carbon nanotubes with a diameter of 50-70 nm and a length of 2-5 μm, add 50 ml of trichlorobenzene, oscillate and disperse under ultrasonic waves for 30 minutes, and obtain a suspension of carbon nanotubes;

2)将0.17g邻二腈基苯,0.10g NiCl2·6H2O研磨混合后,加入步骤1)中的碳纳米管的悬浊液中,在氮气保护下,在180℃搅拌反应3h,产物过滤后经无水乙醇淋洗至滤液为无色,将产物在80℃真空干燥24h得到酞菁镍/碳纳米管复合物。2) Grinding and mixing 0.17g of o-dicyanobenzene and 0.10g of NiCl 2 ·6H 2 O, adding to the suspension of carbon nanotubes in step 1), stirring and reacting at 180°C for 3h under the protection of nitrogen, After the product was filtered, it was rinsed with absolute ethanol until the filtrate was colorless, and the product was vacuum-dried at 80° C. for 24 hours to obtain a nickel phthalocyanine/carbon nanotube composite.

实施例9Example 9

1)取0.10g多壁碳纳米管,直径为50~70nm,长度为2~5μm,加入40ml喹啉,在超声波下震荡分散10min,得到碳纳米管悬浊液;1) Take 0.10 g of multi-walled carbon nanotubes with a diameter of 50-70 nm and a length of 2-5 μm, add 40 ml of quinoline, oscillate and disperse under ultrasonic waves for 10 minutes, and obtain a suspension of carbon nanotubes;

2)将0.50g邻二腈基苯0.20g MnCl2·4H2O研磨混合后,加入步骤1)中的碳纳米管的悬浊液中,在氮气保护下,在180℃搅拌反应4h,产物过滤后经无水乙醇淋洗至滤液为无色,将产物在70℃真空干燥30h得到酞菁锰/碳纳米管复合物。2) Grinding and mixing 0.50 g of o-dicyanobenzene and 0.20 g of MnCl 2 ·4H 2 O, adding to the suspension of carbon nanotubes in step 1), stirring and reacting at 180° C. for 4 h under the protection of nitrogen, the product After filtration, it was rinsed with absolute ethanol until the filtrate was colorless, and the product was vacuum-dried at 70° C. for 30 h to obtain a manganese phthalocyanine/carbon nanotube composite.

Claims (2)

1.一种原位合成金属酞菁/碳纳米管复合物的方法,其特征在于,包括以下步骤:1. a method for synthesizing metal phthalocyanine/carbon nanotube compound in situ, is characterized in that, comprises the following steps: 1)将碳纳米管加入到有机溶剂中,加入量为2~20mg碳纳米管/ml有机溶剂,超声波震荡分散10~40min,得到碳纳米管悬浊液;1) Add carbon nanotubes to an organic solvent in an amount of 2 to 20 mg carbon nanotubes/ml organic solvent, disperse with ultrasonic vibration for 10 to 40 minutes, and obtain a carbon nanotube suspension; 2)将前驱体和金属盐按摩尔比3~8∶1研磨混合后,加入到步骤1)中的碳纳米管悬浊液中,前驱体和金属盐混合物与碳纳米管的质量比为3~11∶1,在氮气保护下,于160~240℃搅拌反应1~6h,产物经过滤、无水乙醇淋洗至滤液为无色后,再于50~100℃真空干燥5~30h,得到黑色粉末状产物,即金属酞菁/碳纳米管复合物;2) Grinding and mixing the precursor and the metal salt at a molar ratio of 3 to 8:1, then adding it to the carbon nanotube suspension in step 1), the mass ratio of the precursor and the metal salt mixture to the carbon nanotube is 3 ~11:1, under the protection of nitrogen, stirred and reacted at 160~240°C for 1~6h, the product was filtered and rinsed with absolute ethanol until the filtrate was colorless, and then vacuum dried at 50~100°C for 5~30h to obtain Black powdery product, i.e. metal phthalocyanine/carbon nanotube composite; 步骤1)中所述的有机溶剂选自喹啉、硝基苯、氯萘或三氯苯中的一种;步骤2)中所述的前驱体为邻二腈基苯或邻二腈基苯与1,2,4,5-苯四甲腈按摩尔比为3~6∶1的混合物;步骤2)中所述的金属盐为FeCl2·4H2O、CoCl2·6H2O、CuCl2·2H2O、ZnCl2·2H2O、NiCl2·6H2O或MnCl2·4H2O中的一种。The organic solvent described in step 1) is selected from the one in quinoline, nitrobenzene, chloronaphthalene or trichlorobenzene; The precursor described in step 2) is o-dicyanobenzene or o-dicyanobenzene A mixture with 1,2,4,5-pyrene tetracarbonitrile in a molar ratio of 3 to 6:1; the metal salts described in step 2) are FeCl 2 ·4H 2 O, CoCl 2 ·6H 2 O, CuCl 2 ·2H 2 O, ZnCl 2 ·2H 2 O, NiCl 2 ·6H 2 O or MnCl 2 ·4H 2 O. 2.根据权利要求1所述方法,其特征在于,所述的碳纳米管为多壁碳纳米管,直径为50~200nm,长度为2~20μm。2. The method according to claim 1, wherein the carbon nanotubes are multi-walled carbon nanotubes with a diameter of 50-200 nm and a length of 2-20 μm.
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