CN104148666B - A kind of method that Nano Silver is grapheme modified - Google Patents
A kind of method that Nano Silver is grapheme modified Download PDFInfo
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- CN104148666B CN104148666B CN201410360213.5A CN201410360213A CN104148666B CN 104148666 B CN104148666 B CN 104148666B CN 201410360213 A CN201410360213 A CN 201410360213A CN 104148666 B CN104148666 B CN 104148666B
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Abstract
The invention discloses a kind of method that Nano Silver is grapheme modified, the steps include: one, Graphene is added to the water, ultrasonic process; Two, sodium hydrate aqueous solution is joined in silver nitrate aqueous solution, instill ammoniacal liquor while stirring until solution clarification, obtain silver ammino solution; Three, tartaric acid and glucose are mixed soluble in water, stirring and dissolving; Four, by the solution heating in step 3, then room temperature is cooled to; Five, ethanol is added the solution in step 4, stir and evenly mix; Six, solution step 2 and step 5 configured successively adds in the solution prepared by step one, reacts under ultrasound condition; Seven, product step 6 obtained carries out suction filtration process, and uses the alternately washing of second alcohol and water, dries, obtains Nano Silver grapheme modified.Reaction raw materials of the present invention is simple and easy to get, and reaction condition is gentle, and efficiency is high, and product property is stablized, and is beneficial to expanding production; Graphene-structured used is complete, and surface functional group is few, and the Nano Silver being more conducive to graphenic surface is modified.
Description
Technical field
The invention belongs to Surface Modification of Nanosized Materials technical field, relate to a kind of method that Nano Silver is grapheme modified.
Background technology
Graphene (Graphene) is a kind of Two-dimensional Carbon atomic crystal with plane hexagonal lattice structure, can be regarded as the graphitic molecules that one deck is stripped, and its thickness is individual layer atomic thickness.The basic structural unit of Graphene is stable carbon hexatomic ring, has very excellent chemical stability, is current optimal two-dimension nano materials.Graphene has splendid heat-conductivity conducting performance and excellent electric property; The specific area of Graphene is very large simultaneously, so when as electrode material for super capacitor, can obtain higher electric double layer capacitance; Graphene can also carry out the chemical modification of various functionalization, make its doping in high polymer extremely successful, the above focus all making Graphene become research.
The physical and chemical stability of nano silver particles is very excellent, and excellent electric conductivity and specific area huge equally make nano silver particles have extremely huge prospect in biological medicine, electrochemical field, Catalytic processes.The advantage that the specific area of Graphene and nano-Ag particles is huge and good electric conductivity, when making it as electrode material for super capacitor, can obtain higher electric double layer capacitance.Graphene after Nano Silver modification can also carry out the chemical modification of various functionalization, make its doping of success in high polymer, in especially various conducting polymer, become better electrode material.The modification of Nano Silver, decreases the agglomeration of graphene sheet layer and nano silver particles self, and its dispersiveness is promoted to some extent, can control the nano silver particles adsorption site number of graphenic surface, plays the effect of the basic point controlling subsequent reactions.
CN103639421A discloses " a kind of preparation method of Graphene/argentum nano composite material of high conductivity ", reduces silver nitrate and graphene oxide simultaneously prepare composite with ammoniacal liquor and hydrazine hydrate as reducing agent at 90 ± 10 DEG C.In the method, graphene oxide and silver nitrate are simultaneously as oxidant, there is the competitive relation to reducing agent, effective not as single reduction.
CN103590089A discloses " a kind of preparation method of graphene/silver composite material ", is adsorbed onto by the silver ion of interpolation on the Graphene of the ultrasonic stripping of liquid phase, then adopts electrophoretic deposition to prepare graphene/silver composite material.The method adopts electrophoretic deposition to prepare graphene/silver composite material, can only deposit as electrochemical material on conducting base, be difficult to obtain independent product for other field.
Summary of the invention
The object of this invention is to provide a kind of simple efficient, experiment condition is gentle, and the method that widely used Nano Silver is grapheme modified.
The object of the invention is to be achieved through the following technical solutions:
The method that Nano Silver is grapheme modified, realizes particular by following step:
One, be added to the water by Graphene, ultrasonic process 2 ~ 4h obtains dispersion liquid, and wherein the ratio of Graphene and water is 1 ~ 3g: 1L.
Two, 1 ~ 5wt% sodium hydrate aqueous solution is joined in 1 ~ 10wt% silver nitrate aqueous solution, instill 1 ~ 5wt% ammoniacal liquor while stirring until solution clarification, obtain silver ammino solution.Wherein the mass ratio of silver nitrate and NaOH is 1: 0.4 ~ 1.
Three, tartaric acid and glucose are mixed soluble in water, stirring and dissolving.Wherein, the mass ratio of tartaric acid, glucose and water is 1: 9 ~ 13: 200 ~ 300.
Four, the solution in step 3 is heated to 110 ~ 130 DEG C, constant temperature 10 ~ 30min, then is cooled to room temperature.
Five, ethanol is added the solution in step 4, stir and evenly mix, wherein the volume ratio of ethanol and solution is 1: 8 ~ 12.
Six, solution step 2 and step 5 configured successively adds in the solution prepared by step one, reacts 0.5 ~ 5min under ultrasound condition.The mol ratio of mixed solution that wherein silver ammino solution of step 2 configuration and step 5 configure is 1: 1 ~ 1.3, and the mass ratio of silver nitrate and Graphene is 1: 0.1 ~ 2.
Seven, product step 6 obtained carries out suction filtration process, and uses second alcohol and water to replace washing 5 ~ 9 times, and 40 ~ 60 DEG C of oven dry, obtain Nano Silver grapheme modified.
The present invention has following beneficial effect:
(1) reaction raw materials is simple and easy to get, and reaction condition is gentle, and efficiency is high, and product property is stablized, and is beneficial to expanding production;
(2) graphene-structured used is complete, and surface functional group is few, and the Nano Silver being more conducive to graphenic surface is modified.
Accompanying drawing explanation
Fig. 1 is the TEM figure of the Graphene of modified by silver;
Fig. 2 is the SEM figure of the Graphene of modified by silver.
Detailed description of the invention
Below in conjunction with accompanying drawing, technical scheme of the present invention is further described; but be not limited thereto; everyly technical solution of the present invention modified or equivalent to replace, and not departing from the spirit and scope of technical solution of the present invention, all should be encompassed in protection scope of the present invention.
Detailed description of the invention one: present embodiments provide for a kind of method that Nano Silver is grapheme modified, realizes particular by following step:
One, Graphene is prepared with reference to 201310262842.X " a kind of foaming and intumescing legal system is for the method for Graphene ", with the Graphene of 1g: 1L ~ 3g: 1L and the ratio of water, ultrasonic disperse, processing time 2 ~ 4h.
Two, mass ratio silver nitrate and NaOH being pressed 1: 0.4 ~ 1 weighs, and configures 1 ~ 5wt% sodium hydrate aqueous solution and 1 ~ 10wt% silver nitrate aqueous solution, then the two is mixed, and finally instills 1 ~ 5wt% ammoniacal liquor while stirring until solution clarification.
Three, tartaric acid, glucose and water are pressed the quality of 1: 9 ~ 13: 200 ~ 300 than mixed dissolution, stir.
Four, the mixed aqueous solution of tartaric acid and glucose is heated to 110 ~ 130 DEG C, constant temperature 10 ~ 30min, then is cooled to room temperature.
Five, by the solution in ethanol and step 4 by 1: 8 ~ 12 volume ratio stir and evenly mix.
Six, the mixed solution that mixed solution step 2 configured and step 5 configure successively adds in the graphene dispersion solution prepared by step one, reacts 0.5 ~ 5min under ultrasound condition.Wherein the mol ratio of silver ammino solution and mixed solution is 1: 1 ~ 1.3, and the mass ratio of silver nitrate and Graphene is 1: 0.1 ~ 2.
Seven, product step 6 obtained carries out decontamination process, selects to carry out suction filtration, and use second alcohol and water to replace washing 5 ~ 9 times during suction filtration, 40 ~ 60 DEG C of volatile small molecular weight impurities of drying and processing, complete a kind of method that Nano Silver is grapheme modified.
Detailed description of the invention two: present embodiment and detailed description of the invention one unlike, the mass fraction of the silver nitrate aqueous solution described in step 2 is 2 ~ 7%, the mass fraction of sodium hydrate aqueous solution is 2 ~ 4%, the mass fraction of ammoniacal liquor is 2 ~ 4%, the mass ratio of silver nitrate and NaOH is 1: 0.5 ~ 0.8, and other is identical with detailed description of the invention one.
Detailed description of the invention three: present embodiment and detailed description of the invention one, two unlike, the mass ratio of the tartaric acid described in step 3, glucose and water is 1: 10 ~ 12: 240 ~ 260, other with detailed description of the invention one, two identical.
Detailed description of the invention four: present embodiment and detailed description of the invention one ~ tri-unlike, the heating-up temperature described in step 4 is 115 ~ 125 DEG C, and constant temperature time is 15 ~ 25min, and other is identical with detailed description of the invention one ~ tri-.
Detailed description of the invention five: present embodiment and detailed description of the invention one ~ tetra-unlike, the volume ratio of the ethanol described in step 5 and mixed solution is 1: 9 ~ 11, and other is identical with detailed description of the invention one ~ tetra-.
Detailed description of the invention six: present embodiment and detailed description of the invention one ~ five unlike, the time of solution reaction described in step 6 is 1 ~ 3min, mol ratio is 1: 1.1 ~ 1.3, and the mass ratio of silver nitrate and Graphene is 1: 0.2 ~ 1, and other is identical with detailed description of the invention one ~ five.
Detailed description of the invention seven: present embodiments provide for a kind of method that Nano Silver is grapheme modified, realizes particular by following step:
One, be added to the water by Graphene, ultrasonic process 2h obtains dispersion liquid, and wherein the ratio of Graphene and water is 1g: 1L.
Two, 1wt% sodium hydrate aqueous solution is joined in 1wt% silver nitrate aqueous solution, instill 1wt% ammoniacal liquor while stirring until solution clarification.Wherein the mass ratio of silver nitrate and NaOH is 1: 0.4.
Three, tartaric acid and glucose are mixed soluble in water, stirring and dissolving.Wherein, the mass ratio of tartaric acid, glucose and water is 1: 9: 200.
Four, the solution in step 3 is heated to 110 DEG C, constant temperature 10min, then is cooled to room temperature.
Five, ethanol is added the solution in step 4, stir and evenly mix, wherein the volume ratio of ethanol and solution is 1: 8.
Six, solution step 2 and step 5 configured successively adds in the solution prepared by step one, reacts 0.5min under ultrasound condition.The mol ratio of mixed solution that wherein silver ammino solution of step 2 configuration and step 5 configure is 1: 1, and the mass ratio of silver nitrate and Graphene is 1: 0.1.
Seven, product step 6 obtained carries out suction filtration process, and uses second alcohol and water to replace washing 5 times, 40 DEG C of oven dry.The SEM figure of products therefrom as shown in Figure 2.
Detailed description of the invention eight: present embodiments provide for a kind of method that Nano Silver is grapheme modified, realizes particular by following step:
One, be added to the water by Graphene, ultrasonic process 4h obtains dispersion liquid, and wherein the ratio of Graphene and water is 3g: 1L.
Two, 5wt% sodium hydrate aqueous solution is joined in 10wt% silver nitrate aqueous solution, instill 5wt% ammoniacal liquor while stirring until solution clarification.Wherein the mass ratio of silver nitrate and NaOH is 1: 1.
Three, tartaric acid and glucose are mixed soluble in water, stirring and dissolving.Wherein, the mass ratio of tartaric acid, glucose and water is 1: 13: 300.
Four, the solution in step 3 is heated to 130 DEG C, constant temperature 30min, then is cooled to room temperature.
Five, ethanol is added the solution in step 4, stir and evenly mix, wherein the volume ratio of ethanol and solution is 1: 12.
Six, solution step 2 and step 5 configured successively adds in the solution prepared by step one, reacts 5min under ultrasound condition.The mol ratio of the mixed solution that the silver ammino solution of step 2 configuration and step 5 configure is 1: 1.3, and the mass ratio of silver nitrate and Graphene is 1: 2.
Seven, product step 6 obtained carries out suction filtration process, and uses second alcohol and water to replace washing 9 times, 60 DEG C of oven dry.The SEM figure of products therefrom as shown in Figure 4.
Detailed description of the invention nine: present embodiments provide for a kind of method that Nano Silver is grapheme modified, realizes particular by following step:
One, be added to the water by Graphene, ultrasonic process 3h obtains dispersion liquid, and wherein the ratio of Graphene and water is 2g: 1L.
Two, 3wt% sodium hydrate aqueous solution is joined in 5wt% silver nitrate aqueous solution, instill 3wt% ammoniacal liquor while stirring until solution clarification.Wherein the mass ratio of silver nitrate and NaOH is 1: 0.6.
Three, tartaric acid and glucose are mixed soluble in water, stirring and dissolving.Wherein, the mass ratio of tartaric acid, glucose and water is 1: 11: 250.
Four, the solution in step 3 is heated to 120 DEG C, constant temperature 20min, then is cooled to room temperature.
Five, ethanol is added the solution in step 4, stir and evenly mix, wherein the volume ratio of ethanol and solution is 1: 10.
Six, solution step 2 and step 5 configured successively adds in the solution prepared by step one, reacts 2min under ultrasound condition.The mol ratio of the mixed solution that the silver ammino solution of step 2 configuration and step 5 configure is 1: 1.1, and the mass ratio of silver nitrate and Graphene is 1: 1.
Seven, product step 6 obtained carries out suction filtration process, and uses second alcohol and water to replace washing 7 times, and 50 DEG C of oven dry, complete a kind of method that Nano Silver is grapheme modified.TEM figure and the SEM figure of products therefrom respectively as shown in figures 1 and 3.
As can be seen from the figure, the material of sheet is Graphene, and granular material is Nano Silver.Can clearly observe, along with the increase of silver nitrate content, on graphene sheet layer, the particle of Nano Silver becomes many gradually, the exposed surface out of Graphene is reduced all the more, and the particle of Nano Silver progressively increases, reunites obvious all the more.
Claims (9)
1. the method that Nano Silver is grapheme modified, is characterized in that described method step is as follows:
One, be added to the water by Graphene, ultrasonic process 2 ~ 4h obtains dispersion liquid, and wherein the ratio of Graphene and water is 1 ~ 3g: 1L;
Two, sodium hydrate aqueous solution is joined in silver nitrate aqueous solution, instill ammoniacal liquor while stirring until solution clarification, obtain silver ammino solution, wherein the mass ratio of silver nitrate and NaOH is 1: 0.4 ~ 1, the concentration of silver nitrate aqueous solution is 1 ~ 10wt%, the concentration of sodium hydrate aqueous solution is 1 ~ 5wt%, and the concentration of ammoniacal liquor is 1 ~ 5wt%;
Three, mix soluble in water by tartaric acid and glucose, stirring and dissolving, the mass ratio of its mesotartaric acid, glucose and water is 1: 9 ~ 13: 200 ~ 300;
Four, the solution in step 3 is heated to 110 ~ 130 DEG C, constant temperature 10 ~ 30min, then is cooled to room temperature;
Five, ethanol is added the solution in step 4, stir and evenly mix, wherein the volume ratio of ethanol and solution is 1: 8 ~ 12;
Six, solution step 2 and step 5 configured successively adds in the solution prepared by step one, 0.5 ~ 5min is reacted under ultrasound condition, the mol ratio of mixed solution that wherein silver ammino solution of step 2 configuration and step 5 configure is 1: 1 ~ 1.3, and the mass ratio of silver nitrate and Graphene is 1: 0.1 ~ 2;
Seven, product step 6 obtained carries out suction filtration process, and uses second alcohol and water to replace washing 5 ~ 9 times, and 40 ~ 60 DEG C of oven dry, obtain Nano Silver grapheme modified.
2. the method that Nano Silver according to claim 1 is grapheme modified, is characterized in that in described step 2, and the concentration of silver nitrate aqueous solution is 2 ~ 7wt%, and the concentration of sodium hydrate aqueous solution is 2 ~ 4wt%, and the concentration of ammoniacal liquor is 2 ~ 4wt%.
3. the method that Nano Silver according to claim 1 is grapheme modified, is characterized in that in described step 2, and the mass ratio of silver nitrate and NaOH is 1: 0.5 ~ 0.8.
4. the method that Nano Silver according to claim 1 is grapheme modified, is characterized in that in described step 3, and the mass ratio of tartaric acid, glucose and water is 1: 10 ~ 12: 240 ~ 260.
5. the method that Nano Silver according to claim 1 is grapheme modified, is characterized in that in described step 4, and heating-up temperature is 115 ~ 125 DEG C, and constant temperature time is 15 ~ 25min.
6. the method that Nano Silver according to claim 1 is grapheme modified, is characterized in that in described step 5, and the volume ratio of ethanol and mixed solution is 1: 9 ~ 11.
7. the method that Nano Silver according to claim 1 is grapheme modified, is characterized in that in described step 6, and the reaction time is 1 ~ 3min.
8. the method that Nano Silver according to claim 1 is grapheme modified, is characterized in that in described step 6, and the mol ratio of the mixed solution that the silver ammino solution of step 2 configuration and step 5 configure is 1: 1.1 ~ 1.3.
9. the method that Nano Silver according to claim 1 is grapheme modified, is characterized in that in described step 6, and the mass ratio of silver nitrate and Graphene is 1: 0.2 ~ 1.
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| CN104591174B (en) * | 2015-01-23 | 2017-01-11 | 西安理工大学 | Preparation method of silver nanocrystal-multilayer graphene composite material |
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| CN108788133A (en) * | 2018-07-24 | 2018-11-13 | 深圳市中科睿金贵材科技有限公司 | Test silver-graphene synthetic method |
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| CN111099583B (en) * | 2018-10-26 | 2022-04-29 | 南京化学工业园环保产业协同创新有限公司 | Efficient composite synthesis method of graphene and nano-silver |
| CN109329304B (en) * | 2018-11-27 | 2021-04-30 | 辽宁大学 | Mesoporous graphene-loaded silver nanoparticle composite material and preparation method and application thereof |
| CN114477152B (en) * | 2021-12-30 | 2023-08-15 | 杭州电子科技大学 | Silver nanoparticle/multilayer graphene composite material and preparation method thereof |
| CN115998944A (en) * | 2022-12-29 | 2023-04-25 | 武汉市第三医院 | Nano-silver functionalized antibacterial material and preparation method and application thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101857221A (en) * | 2010-05-21 | 2010-10-13 | 哈尔滨工业大学 | Method for preparing graphene compounds and graphene oxide compounds with high efficiency |
| CN102160998A (en) * | 2011-04-25 | 2011-08-24 | 北京航空航天大学 | Preparation method of graphene-silver nano particle composite material |
| CN102623685A (en) * | 2012-04-18 | 2012-08-01 | 清华大学深圳研究生院 | High-power lithium-ion battery anode material, preparation method thereof and negative plate |
| CN102698747A (en) * | 2012-06-14 | 2012-10-03 | 聊城大学 | Silver/graphene compound material and application |
-
2014
- 2014-07-26 CN CN201410360213.5A patent/CN104148666B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101857221A (en) * | 2010-05-21 | 2010-10-13 | 哈尔滨工业大学 | Method for preparing graphene compounds and graphene oxide compounds with high efficiency |
| CN102160998A (en) * | 2011-04-25 | 2011-08-24 | 北京航空航天大学 | Preparation method of graphene-silver nano particle composite material |
| CN102623685A (en) * | 2012-04-18 | 2012-08-01 | 清华大学深圳研究生院 | High-power lithium-ion battery anode material, preparation method thereof and negative plate |
| CN102698747A (en) * | 2012-06-14 | 2012-10-03 | 聊城大学 | Silver/graphene compound material and application |
Non-Patent Citations (1)
| Title |
|---|
| Growth of silver nanocrystals on graphene by simultaneous reduction of graphene oxide and silver ions with a rapid and efficient one-step approach;Xiu-Zhi Tang et al.;《Chem.Commun.》;20110204;第47卷;全文 * |
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