CN105037717A - Method for preparing conductive polyaniline nanotube by taking glucose as template - Google Patents
Method for preparing conductive polyaniline nanotube by taking glucose as template Download PDFInfo
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- CN105037717A CN105037717A CN201510533655.XA CN201510533655A CN105037717A CN 105037717 A CN105037717 A CN 105037717A CN 201510533655 A CN201510533655 A CN 201510533655A CN 105037717 A CN105037717 A CN 105037717A
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Abstract
The invention discloses a method for preparing a conductive polyaniline nanotube by taking glucose as a template. The method comprises the steps of dispersing phenylamine into water solutions containing glucoses with different ratios, and sufficiently stirring under the condition of ice-water bath to obtain a uniform mixed solution; and then, dropwise adding ammonium persulfate serving as an oxidative initiator, initiating phenylamine to polymerize, reacting under the stirring condition for 12 hours, and then, doping with 2mL of 1M hydrochloric acid solution to obtain the conductive polyaniline material with a tubular structure. The method is simple, environment-friendly and reliable in preparation process, wide in raw material source, low in cost and suitable for industrial production; and the conductive polyaniline with the nanotube structure has lower resistance and higher specific capacitance as comparison with pure polyaniline.
Description
Technical field
The invention belongs to conductive nanotube preparing technical field, particularly a kind of take glucose as the method for Template preparation Preparation of conductive polyaniline nanotubes.The method take glucose as template, and aniline prepares the electrically conductive polyaniline with nano tubular structure by self-assembly and in-situ polymerization.
Background technology
Polyaniline is as a kind of common conductive polymers, because its preparation is simple, with low cost, and there is good environmental stability and unique physics and chemistry character, usually be used to ultracapacitor, battery, sensor and corrosion-resistant field, obtain the concern energetically of countries in the world researcher.Particularly there is the electrically conductive polyaniline of nanostructure, because its particle diameter is minimum, the character such as specific surface area is large, the electron transfer rate that is exceedingly fast, imparts nano-conductive polyaniline material and there are many special performances not available for conventional blocks.
Polyaniline nanotube can provide passage easily for the diffusion of electrolyte ion and movement, shortens the distance of ion transportation, thus improves the efficiency of ion and electrode generation redox reaction, receive concern and the research of researcher.For example prepare Preparation of conductive polyaniline nanotubes (Z.J.Gu, etal, Synthesisofpolyanilinenanotubeswithcontrolledrectangular orsquareporeshape.Mater.Lett.2014,121,12-14 with soft template method, H.J.Yin, etal, Synthesisofhigh-performanceone-dimensionalpolyanilinenan ostructuresusingdodecylbenzenesulfonicacidassofttemplate .Mater.Lett.2011,65,850-853, M.M.Sk, etal, Synthesisofpolyanilinenanotubesusingtheself-assemblybeha viorofvitaminC:amechanisticstudyandapplicationinelectroc hemicalsupercapacitors.J.Mater.Chem.A2014, 2, 2830-2838.) and without template synthesis Preparation of conductive polyaniline nanotubes (Z.Z.Huang, etal, Preparationofpolyanilinenanotubesbyatemplate-freeself-as semblymethod.Mater.Lett.2011, 65, 2015-2018.), polyaniline nanotube prepared by above-mentioned various soft template method has regular tubular structure and has good chemical property, but in suitability for industrialized production, there is certain difficulty.Without template synthesis polyaniline, there is environmental protection, the advantage such as simple, but the pipe diameter size of gained polyaniline nanotube cannot controlled and irregularity, have impact on the chemical property of polyaniline to a certain extent.
Glucose has good water-soluble, and wide material sources, cheap, especially its molecular chain exists a large amount of hydroxyls, can form a large amount of hydrogen bonds with aniline molecule, be suitable as the template preparing nanotube-shaped material.Making Template preparation polyaniline nanotube with glucose is a kind of simple and preparation method of environmental protection, the compound with regular structure of gained polyaniline nanotube and have good chemical property, is a kind of desirable electrode material for super capacitor, is especially applicable to suitability for industrialized production.
Summary of the invention
The object of this invention is to provide a kind of is template with glucose, is prepared the method for the Preparation of conductive polyaniline nanotubes with ordered structure by the method for self-assembling technique and in-situ polymerization.
Thinking of the present invention: utilize hydroxyls a large amount of on glucose molecule and carboxyl and aniline molecule to form hydrogen bond to prepare the electrically conductive polyaniline with nano tubular structure, nano tubular structure can be the diffusion of electrolyte ion and mobile provides good passage, ion is enable fully redox reaction to occur with electrode materials, increase the ratio capacitance of material, reduce internal resistance, thus obtain the nano tubular structure polyaniline with good electrical chemical property, be a kind of desirable electrode material for super capacitor.
Concrete steps are:
(1) take raw material, glucose according to following amount of substance ratio: aniline=0.1 ~ 5:1, wherein aniline is 0.5mL.
(2) glucose that step (1) takes is joined in the flask filling 30ml deionized water, after stirring at room temperature 0.5h, by flask transposition in ice-water bath, then in flask, aniline that step (1) takes is added and 2mL concentration is the hydrochloric acid soln of 1mol/L, 1h is stirred, obtained mixing solutions under the condition of ice-water bath.
(3) ammonium persulfate aqueous solution with the amount of substance such as aniline is dropwise joined in the obtained mixing solutions of step (2), 12h is stirred under the condition of ice-water bath, then in mixing solutions, the hydrochloric acid soln that 2mL concentration is 1mol/L is added, polyaniline is fully adulterated, again with deionized water carry out washing, suction filtration, until filtrate is in neutral, gained filter cake is dry 24h in the vacuum drying oven of 50 DEG C, grinding is collected, i.e. obtained Preparation of conductive polyaniline nanotubes.
Preparation process of the present invention is simple, environmental protection, reliable, raw material sources are extensive, with low cost, be applicable to suitability for industrialized production, and the electrically conductive polyaniline of gained nano tubular structure have lower resistance, higher ratio capacitance than pure polyaniline.
Accompanying drawing explanation
Fig. 1 is the scanning electron microscope (SEM) photograph of the Preparation of conductive polyaniline nanotubes that the embodiment of the present invention 4 obtains.
Fig. 2 is the cyclic voltammogram of the Preparation of conductive polyaniline nanotubes that the embodiment of the present invention 4 obtains.
Fig. 3 is the alternating-current impedance figure of the Preparation of conductive polyaniline nanotubes that the embodiment of the present invention 4 obtains.
Fig. 4 is the constant current charge-discharge figure of the Preparation of conductive polyaniline nanotubes that the embodiment of the present invention 4 obtains.
Embodiment
embodiment 1:
(1) 0.099g glucose and 0.5mL aniline is taken.
(2) glucose that step (1) takes is joined in the flask filling 30ml deionized water, after stirring at room temperature 0.5h, by flask transposition in ice-water bath, then in flask, aniline that step (1) takes is added and 2mL concentration is the hydrochloric acid soln of 1mol/L, 1h is stirred, obtained mixing solutions under the condition of ice-water bath.
(3) ammonium persulfate aqueous solution with the amount of substance such as aniline is dropwise joined in the obtained mixing solutions of step (2), 12h is stirred under the condition of ice-water bath, then in mixing solutions, the hydrochloric acid soln that 2mL concentration is 1mol/L is added, polyaniline is fully adulterated, again with deionized water carry out washing, suction filtration, until filtrate is in neutral, gained filter cake is dry 24h in the vacuum drying oven of 50 DEG C, grinding is collected, i.e. obtained Preparation of conductive polyaniline nanotubes.
embodiment 2:
(1) 0.493g glucose and 0.5mL aniline is taken.
(2) glucose that step (1) takes is joined in the flask filling 30ml deionized water, after stirring at room temperature 0.5h, by flask transposition in ice-water bath, then in flask, aniline that step (1) takes is added and 2mL concentration is the hydrochloric acid soln of 1mol/L, 1h is stirred, obtained mixing solutions under the condition of ice-water bath.
(3) ammonium persulfate aqueous solution with the amount of substance such as aniline is dropwise joined in the obtained mixing solutions of step (2), 12h is stirred under the condition of ice-water bath, then in mixing solutions, the hydrochloric acid soln that 2mL concentration is 1mol/L is added, polyaniline is fully adulterated, again with deionized water carry out washing, suction filtration, until filtrate is in neutral, gained filter cake is dry 24h in the vacuum drying oven of 50 DEG C, grinding is collected, i.e. obtained Preparation of conductive polyaniline nanotubes.
embodiment 3:
(1) 0.987g glucose and 0.5mL aniline is taken.
(2) glucose that step (1) takes is joined in the flask filling 30ml deionized water, after stirring at room temperature 0.5h, by flask transposition in ice-water bath, then in flask, aniline that step (1) takes is added and 2mL concentration is the hydrochloric acid soln of 1mol/L, 1h is stirred, obtained mixing solutions under the condition of ice-water bath.
(3) ammonium persulfate aqueous solution with the amount of substance such as aniline is dropwise joined in the obtained mixing solutions of step (2), 12h is stirred under the condition of ice-water bath, then in mixing solutions, the hydrochloric acid soln that 2mL concentration is 1mol/L is added, polyaniline is fully adulterated, again with deionized water carry out washing, suction filtration, until filtrate is in neutral, gained filter cake is dry 24h in the vacuum drying oven of 50 DEG C, grinding is collected, i.e. obtained Preparation of conductive polyaniline nanotubes.
embodiment 4:
(1) 1.973g glucose and 0.5mL aniline is taken.
(2) glucose that step (1) takes is joined in the flask filling 30ml deionized water, after stirring at room temperature 0.5h, by flask transposition in ice-water bath, then in flask, aniline that step (1) takes is added and 2mL concentration is the hydrochloric acid soln of 1mol/L, 1h is stirred, obtained mixing solutions under the condition of ice-water bath.
(3) ammonium persulfate aqueous solution with the amount of substance such as aniline is dropwise joined in the obtained mixing solutions of step (2), 12h is stirred under the condition of ice-water bath, then in mixing solutions, the hydrochloric acid soln that 2mL concentration is 1mol/L is added, polyaniline is fully adulterated, again with deionized water carry out washing, suction filtration, until filtrate is in neutral, gained filter cake is dry 24h in the vacuum drying oven of 50 DEG C, grinding is collected, i.e. obtained Preparation of conductive polyaniline nanotubes.
embodiment 5:
(1) 4.933g glucose and 0.5mL aniline is taken.
(2) glucose that step (1) takes is joined in the flask filling 30ml deionized water, after stirring at room temperature 0.5h, by flask transposition in ice-water bath, then in flask, aniline that step (1) takes is added and 2mL concentration is the hydrochloric acid soln of 1mol/L, 1h is stirred, obtained mixing solutions under the condition of ice-water bath.
(3) ammonium persulfate aqueous solution with the amount of substance such as aniline is dropwise joined in the obtained mixing solutions of step (2), 12h is stirred under the condition of ice-water bath, then in mixing solutions, the hydrochloric acid soln that 2mL concentration is 1mol/L is added, polyaniline is fully adulterated, again with deionized water carry out washing, suction filtration, until filtrate is in neutral, gained filter cake is dry 24h in the vacuum drying oven of 50 DEG C, grinding is collected, i.e. obtained Preparation of conductive polyaniline nanotubes.
Claims (1)
1. be a method for Template preparation Preparation of conductive polyaniline nanotubes with glucose, it is characterized in that concrete steps are:
(1) take raw material, glucose according to following amount of substance ratio: aniline=0.1 ~ 5:1, wherein aniline is 0.5mL;
(2) glucose that step (1) takes is joined in the flask filling 30ml deionized water, after stirring at room temperature 0.5h, by flask transposition in ice-water bath, then in flask, aniline that step (1) takes is added and 2mL concentration is the hydrochloric acid soln of 1mol/L, 1h is stirred, obtained mixing solutions under the condition of ice-water bath;
(3) ammonium persulfate aqueous solution with the amount of substance such as aniline is dropwise joined in the obtained mixing solutions of step (2), 12h is stirred under the condition of ice-water bath, then in mixing solutions, the hydrochloric acid soln that 2mL concentration is 1mol/L is added, polyaniline is fully adulterated, again with deionized water carry out washing, suction filtration, until filtrate is in neutral, gained filter cake is dry 24h in the vacuum drying oven of 50 DEG C, grinding is collected, i.e. obtained Preparation of conductive polyaniline nanotubes.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105860068A (en) * | 2016-06-16 | 2016-08-17 | 桂林理工大学 | Method for using fructose as template to prepare conductive polypyrrole |
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| CN103242524A (en) * | 2013-05-16 | 2013-08-14 | 东华大学 | Method of preparing polyaniline nanotube by utilizing cyclodextrin as template |
| CN103409840A (en) * | 2013-07-15 | 2013-11-27 | 东华大学 | Method for preparing polyaniline nanofiber by using cyclodextrin as template |
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| CN104119530A (en) * | 2014-08-02 | 2014-10-29 | 桂林理工大学 | Method for preparing conducting polyaniline nanotube |
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| CN103242524A (en) * | 2013-05-16 | 2013-08-14 | 东华大学 | Method of preparing polyaniline nanotube by utilizing cyclodextrin as template |
| CN103409840A (en) * | 2013-07-15 | 2013-11-27 | 东华大学 | Method for preparing polyaniline nanofiber by using cyclodextrin as template |
| CN103467740A (en) * | 2013-09-09 | 2013-12-25 | 东华大学 | Method of preparing polyaniline nanometer tube with controllable pore diameter by taking beta-cyclodextrin as template |
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| CN105860068A (en) * | 2016-06-16 | 2016-08-17 | 桂林理工大学 | Method for using fructose as template to prepare conductive polypyrrole |
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Application publication date: 20151111 |