CN103273078B - Preparation method of anisotropy silver nanorod - Google Patents
Preparation method of anisotropy silver nanorod Download PDFInfo
- Publication number
- CN103273078B CN103273078B CN201310172931.5A CN201310172931A CN103273078B CN 103273078 B CN103273078 B CN 103273078B CN 201310172931 A CN201310172931 A CN 201310172931A CN 103273078 B CN103273078 B CN 103273078B
- Authority
- CN
- China
- Prior art keywords
- pyrrolidine
- nitrate
- silver
- liquid crystal
- preparation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 title claims abstract description 22
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 229910052709 silver Inorganic materials 0.000 title claims description 4
- 239000004332 silver Substances 0.000 title claims description 4
- 239000002073 nanorod Substances 0.000 title claims 2
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 claims abstract description 48
- SZZGNBSCRNJZCQ-UHFFFAOYSA-N nitric acid;pyrrolidine Chemical compound O[N+]([O-])=O.C1CCNC1 SZZGNBSCRNJZCQ-UHFFFAOYSA-N 0.000 claims abstract description 35
- 229910001961 silver nitrate Inorganic materials 0.000 claims abstract description 24
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 21
- 239000002608 ionic liquid Substances 0.000 claims abstract description 17
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 14
- 238000003756 stirring Methods 0.000 claims abstract description 14
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims abstract description 8
- 229920001400 block copolymer Polymers 0.000 claims abstract description 8
- 238000011065 in-situ storage Methods 0.000 claims abstract description 8
- RWRDLPDLKQPQOW-UHFFFAOYSA-N Pyrrolidine Chemical compound C1CCNC1 RWRDLPDLKQPQOW-UHFFFAOYSA-N 0.000 claims description 42
- 239000000243 solution Substances 0.000 claims description 16
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 14
- 239000007864 aqueous solution Substances 0.000 claims description 14
- 229910017604 nitric acid Inorganic materials 0.000 claims description 14
- 238000001035 drying Methods 0.000 claims description 9
- 239000011521 glass Substances 0.000 claims description 7
- 239000005457 ice water Substances 0.000 claims description 7
- 239000000376 reactant Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 239000002086 nanomaterial Substances 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 6
- 239000004976 Lyotropic liquid crystal Substances 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- FOIXSVOLVBLSDH-UHFFFAOYSA-N Silver ion Chemical compound [Ag+] FOIXSVOLVBLSDH-UHFFFAOYSA-N 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000002535 lyotropic effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910000510 noble metal Inorganic materials 0.000 description 2
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 230000001320 lysogenic effect Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 238000010189 synthetic method Methods 0.000 description 1
- 238000005287 template synthesis Methods 0.000 description 1
Landscapes
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Abstract
本发明涉及一种各向异性银纳米棒的制备方法，特征在于采用以下步骤：1)将硝酸银加入离子液体硝酸吡咯烷中充分溶解，配制成硝酸银摩尔浓度为0.01～0.05mol.l-1的硝酸吡咯烷溶液，配制过程中用黑色塑料袋进行避光处理；2)还原剂采用聚氧乙烯–聚氧丙烯–聚氧乙烯嵌段共聚物，将还原剂加入到硝酸吡咯烷溶液中，还原剂加入量为硝酸吡咯烷溶液质量的27～48％，避光放置，放置过程中反复搅拌使其混合均匀，形成六角相溶致液晶；3)将液晶样品在25℃继续避光静置不少于72h后，以此液晶为模板原位还原硝酸银制得各向异性银纳米棒。本制备方法简单，无污染。The invention relates to a preparation method of anisotropic silver nanorods, which is characterized in that the following steps are adopted: 1) silver nitrate is added into ionic liquid pyrrolidine nitrate to fully dissolve, and the molar concentration of silver nitrate is prepared to be 0.01-0.05mol.l- 1 , the pyrrolidine nitrate solution, and black plastic bags were used to avoid light during the preparation process; 2) the reducing agent was polyoxyethylene-polyoxypropylene-polyoxyethylene block copolymer, and the reducing agent was added to the pyrrolidine nitrate solution , the adding amount of reducing agent is 27～48% of the quality of pyrrolidine nitrate solution, place it away from light, stir repeatedly to make it mix evenly during the place process, and form hexagonal phase soluble liquid crystal; After standing for no less than 72 hours, anisotropic silver nanorods were prepared by reducing silver nitrate in situ using the liquid crystal as a template. The preparation method is simple and pollution-free.
Description
技术领域technical field
本发明涉及一种各向异性银纳米棒的制备方法，属纳米材料制备领域。The invention relates to a method for preparing anisotropic silver nano rods, which belongs to the field of nano material preparation.
背景技术Background technique
作为贵金属纳米材料的重要一员，银纳米粒子具有独特的光学、电学、催化性质，又因为其制作简单、成本低，可广泛应用于催化剂材料、电池电极材料、气体敏感材料、低温导热材料和导电材料等。而且，与其他贵金属纳米材料相比，银纳米粒子具有最优良的导电性能和较好电催化性能，成为近年来人们研究的热点。尽管此前已报道了此类纳米材料的大量合成方法，但在温和条件下对银纳米材料的各向异性生长进行严格调控仍然需要继续探索。而以“绿色溶剂”离子液体构建的溶致液晶因具有无污染、各向异性特征以及易于调控的结构性质使其在模板法合成纳米材料的领域中逐渐受到重视。As an important member of noble metal nanomaterials, silver nanoparticles have unique optical, electrical, and catalytic properties, and because of their simple production and low cost, they can be widely used in catalyst materials, battery electrode materials, gas-sensitive materials, low-temperature heat-conducting materials and Conductive materials, etc. Moreover, compared with other noble metal nanomaterials, silver nanoparticles have the best electrical conductivity and better electrocatalytic performance, and have become a research hotspot in recent years. Although a large number of synthetic methods of such nanomaterials have been reported before, the strict regulation of anisotropic growth of silver nanomaterials under mild conditions still needs to be further explored. Lyotropic liquid crystals constructed with "green solvent" ionic liquids have gradually attracted attention in the field of template synthesis of nanomaterials due to their non-polluting, anisotropic characteristics, and easy-to-adjust structural properties.
发明内容Contents of the invention
本发明的目的是提供一种工艺简单、无污染、投资成本低、易于调控、具有各向异性银纳米棒的制备方法。技其术内容为：The object of the present invention is to provide a preparation method with simple process, no pollution, low investment cost, easy regulation and anisotropic silver nanorods. The technical content is:
一种各向异性银纳米棒的制备方法，其特征在于采用以下步骤：：1)将硝酸银加入离子液体硝酸吡咯烷中充分溶解，配制成硝酸银摩尔浓度为0.01～0.05mol.l-1的硝酸吡咯烷溶液，配制过程中用黑色塑料袋进行避光处理；2)还原剂采用聚氧乙烯–聚氧丙烯–聚氧乙烯嵌段共聚物，将还原剂加入到硝酸吡咯烷溶液中，还原剂加入量为硝酸吡咯烷溶液质量的27～48％，避光放置，放置过程中反复搅拌使其混合均匀，形成六角相溶致液晶；3)将液晶样品在25℃继续避光静置不少于72h后，以此液晶为模板原位还原硝酸银制得各向异性银纳米棒。A method for preparing anisotropic silver nanorods is characterized in that the following steps are adopted: 1) silver nitrate is added into ionic liquid pyrrolidine nitrate to fully dissolve, and the molar concentration of silver nitrate is prepared to be 0.01-0.05mol.l -1 Pyrrolidine nitrate solution, in the preparation process, use a black plastic bag to avoid light; 2) The reducing agent is polyoxyethylene-polyoxypropylene-polyoxyethylene block copolymer, and the reducing agent is added to the pyrrolidine nitrate solution, The amount of the reducing agent added is 27% to 48% of the mass of the pyrrolidine nitrate solution, placed in the dark, and stirred repeatedly during the placement to make it evenly mixed to form a hexagonal lysogenic liquid crystal; 3) continue to place the liquid crystal sample at 25°C in the dark After not less than 72 hours, anisotropic silver nanorods were prepared by reducing silver nitrate in situ using the liquid crystal as a template.
为实现发明目的，所述的各向异性银纳米棒的制备方法，步骤1)中，取等摩尔的吡咯烷和质量百分比为68％的硝酸水溶液，将硝酸水溶液缓慢滴加到冰水浴、磁力搅拌器搅拌环境中的吡咯烷中，反应6～8h后，将反应物在真空下干燥除水，干燥温度80～150℃，干燥时间24～48h，得离子液体硝酸吡咯烷。In order to realize the purpose of the invention, in the preparation method of the described anisotropic silver nanorods, in step 1), getting equimolar pyrrolidine and mass percent is 68% nitric acid aqueous solution, and nitric acid aqueous solution is slowly added dropwise to ice-water bath, magnetic force After reacting for 6-8 hours in the pyrrolidine in the stirring environment with a stirrer, dry the reactant to remove water under vacuum at a drying temperature of 80-150° C. and a drying time of 24-48 hours to obtain the ionic liquid pyrrolidine nitrate.
为实现发明目的，所述的各向异性银纳米棒的制备方法，步骤2)在样品避光放置过程中，采用玻璃棒和离心机设备对其反复交替进行搅拌和离心操作，直至混合均匀。本发明与现有技术相比，具有如下优点：In order to achieve the purpose of the invention, in the preparation method of the anisotropic silver nanorods, step 2) uses glass rods and centrifuge equipment to repeatedly alternately stir and centrifuge the samples until they are evenly mixed. Compared with the prior art, the present invention has the following advantages:
1、本发明以“绿色溶剂”离子液体硝酸吡咯烷作为溶剂构建溶致液晶，可减少对环境的污染。1. The present invention uses the "green solvent" ionic liquid pyrrolidine nitrate as a solvent to construct lyotropic liquid crystals, which can reduce environmental pollution.
2、与普通液相反应体系明显不同，液晶中表面活性剂疏水区与亲水区相互间隔，周期性有序排列，利用这种各向异性的独特结构来引导纳米材料生长将赋予产物各向异性的特征以及更加优越的性能。2. It is obviously different from the ordinary liquid phase reaction system. The hydrophobic region and the hydrophilic region of the surfactant in the liquid crystal are spaced apart from each other and arranged periodically and orderly. Using this unique anisotropic structure to guide the growth of nanomaterials will endow the product with anisotropy The characteristics of the opposite sex and more superior performance.
3、本发明生产工艺简单，设备投资少，生产成本低，容易实现工业化。只需要一台高速离心机及很少的配套工艺与设备，就可以制备出具有各向异性特征的棒状银纳米材料。3. The present invention has simple production process, low equipment investment, low production cost and easy industrialization. Rod-shaped silver nanomaterials with anisotropic characteristics can be prepared only by a high-speed centrifuge and few supporting processes and equipment.
具体实施方式Detailed ways
实施例1：Example 1:
步骤1)：取15.35g吡咯烷和质量百分比为68％的硝酸水溶液19.81g，将硝酸水溶液在0.5h内缓慢滴加到冰水浴、磁力搅拌器搅拌环境中的吡咯烷中，反应6h后，将反应物在真空、150℃干燥温度干燥除水，干燥时间24h，得离子液体硝酸吡咯烷。将硝酸银加入离子液体硝酸吡咯烷中充分溶解，配制成硝酸银摩尔浓度为0.01mol.l-1的硝酸吡咯烷溶液，配制过程中用黑色塑料袋进行避光处理。Step 1): Take 15.35g of pyrrolidine and 19.81g of 68% nitric acid aqueous solution by mass percentage, slowly add the nitric acid aqueous solution to the pyrrolidine in the ice-water bath and magnetic stirrer stirring environment within 0.5h, after reacting for 6h, The reactant was dried under vacuum at a drying temperature of 150° C. to remove water for 24 hours to obtain the ionic liquid pyrrolidine nitrate. The silver nitrate is added into the ionic liquid pyrrolidine nitrate to fully dissolve, and the pyrrolidine nitrate solution with a silver nitrate molar concentration of 0.01 mol.l −1 is prepared, and a black plastic bag is used for light-proof treatment during the preparation process.
步骤2)：将质量百分比为27％的还原剂聚氧乙烯–聚氧丙烯–聚氧乙烯嵌段共聚物加入到硝酸吡咯烷溶液中，避光放置，放置过程中，采用玻璃棒和离心机设备对其反复交替进行搅拌和离心操作，直至混合均匀，反应形成六角相溶致液晶。Step 2): Add a reducing agent polyoxyethylene-polyoxypropylene-polyoxyethylene block copolymer with a mass percentage of 27% to the pyrrolidine nitrate solution, place it in the dark, and use a glass rod and a centrifuge during the placement process The equipment repeatedly alternately stirs and centrifuges until the mixture is uniform, and the reaction forms a hexagonal lyotropic liquid crystal.
步骤3)将液晶样品在25℃下避光静置72h，再以此液晶为模板原位还原硝酸银制得各向异性银纳米棒。Step 3) The liquid crystal sample was kept at 25°C in the dark for 72 hours, and then the anisotropic silver nanorods were prepared by in situ reduction of silver nitrate using the liquid crystal as a template.
对制得的各向异性银纳米棒测试表明：所得银纳米棒无聚集，分散性好，直径约为20～30nm，长度约为200～250nm。Tests on the prepared anisotropic silver nanorods show that the obtained silver nanorods have no aggregation, good dispersion, a diameter of about 20-30nm, and a length of about 200-250nm.
实施例2：Example 2:
步骤1)：取17.85g吡咯烷和质量百分比为68％的硝酸水溶液23.03g，将硝酸水溶液在0.5h内缓慢滴加到冰水浴、磁力搅拌器搅拌环境中的吡咯烷中，反应7h后，将反应物在真空、130℃干燥温度干燥除水，干燥时间30h，得离子液体硝酸吡咯烷。将硝酸银加入离子液体硝酸吡咯烷中充分溶解，配制成硝酸银摩尔浓度为0.03mol.l-1的硝酸吡咯烷溶液，配制过程中用黑色塑料袋进行避光处理。Step 1): Take 17.85g of pyrrolidine and 23.03g of 68% nitric acid aqueous solution by mass percentage, slowly add the nitric acid aqueous solution to the pyrrolidine in the ice-water bath and magnetic stirrer stirring environment within 0.5h, after reacting for 7h, The reactant was dried under vacuum at a drying temperature of 130° C. to remove water for 30 hours to obtain the ionic liquid pyrrolidine nitrate. The silver nitrate is added into the ionic liquid pyrrolidine nitrate to fully dissolve, and the pyrrolidine nitrate solution with a silver nitrate molar concentration of 0.03 mol.l −1 is prepared, and a black plastic bag is used for light-proof treatment during the preparation process.
步骤2)：将质量百分比为36％的还原剂聚氧乙烯–聚氧丙烯–聚氧乙烯嵌段共聚物加入到硝酸吡咯烷溶液中，避光放置，放置过程中，采用玻璃棒和离心机设备对其反复交替进行搅拌和离心操作，直至混合均匀，反应形成六角相溶致液晶。Step 2): Add a reducing agent polyoxyethylene-polyoxypropylene-polyoxyethylene block copolymer with a mass percentage of 36% to the pyrrolidine nitrate solution, place it in the dark, and use a glass rod and a centrifuge during the placement process The equipment repeatedly alternately stirs and centrifuges until the mixture is uniform, and the reaction forms a hexagonal lyotropic liquid crystal.
步骤3)将液晶样品在25℃下避光静置86h，再以此液晶为模板原位还原硝酸银制得各向异性银纳米棒。Step 3) The liquid crystal sample was kept at 25°C in the dark for 86 hours, and then the anisotropic silver nanorods were prepared by in situ reduction of silver nitrate using the liquid crystal as a template.
实施例3：Example 3:
步骤1)：取19.02g吡咯烷和质量百分比为68％的硝酸水溶液25.54g，将硝酸水溶液在0.5h内缓慢滴加到冰水浴、磁力搅拌器搅拌环境中的吡咯烷中，反应8h后，将反应物在真空、120℃干燥温度干燥除水，干燥时间36h，得离子液体硝酸吡咯烷。将硝酸银加入离子液体硝酸吡咯烷中充分溶解，配制成硝酸银摩尔浓度为0.05mol.l-1的硝酸吡咯烷溶液，配制过程中用黑色塑料袋进行避光处理。Step 1): Take 19.02g of pyrrolidine and 25.54g of 68% nitric acid aqueous solution by mass percentage, slowly add the nitric acid aqueous solution to the pyrrolidine in the ice-water bath and magnetic stirrer stirring environment within 0.5h, after reacting for 8h, The reactant was dried under vacuum at a drying temperature of 120° C. to remove water for 36 hours to obtain the ionic liquid pyrrolidine nitrate. The silver nitrate is added into the ionic liquid pyrrolidine nitrate to fully dissolve, and the pyrrolidine nitrate solution with a silver nitrate molar concentration of 0.05 mol.l −1 is prepared, and a black plastic bag is used for light-proof treatment during the preparation process.
步骤2)：将质量百分比为40％的还原剂聚氧乙烯–聚氧丙烯–聚氧乙烯嵌段共聚物加入到硝酸吡咯烷溶液中，避光放置，放置过程中，采用玻璃棒和离心机设备对其反复交替进行搅拌和离心操作，直至混合均匀，反应形成六角相溶致液晶。Step 2): Add a reducing agent polyoxyethylene-polyoxypropylene-polyoxyethylene block copolymer with a mass percentage of 40% to the pyrrolidine nitrate solution, place it in the dark, and use a glass rod and a centrifuge during the placement process The equipment repeatedly alternately stirs and centrifuges until the mixture is uniform, and the reaction forms a hexagonal lyotropic liquid crystal.
步骤3)将液晶样品在25℃下避光静置100h，再以此液晶为模板原位还原硝酸银制得各向异性银纳米棒。Step 3) The liquid crystal sample was kept at 25°C in the dark for 100 hours, and then the anisotropic silver nanorods were prepared by reducing silver nitrate in situ with the liquid crystal as a template.
实施例4：Example 4:
步骤1)：取21.23g吡咯烷和质量百分比为68％的硝酸水溶液27.40g，将硝酸水溶液在0.5h内缓慢滴加到冰水浴、磁力搅拌器搅拌环境中的吡咯烷中，反应7h后，将反应物在真空、100℃干燥温度干燥除水，干燥时间44h，得离子液体硝酸吡咯烷。将硝酸银加入离子液体硝酸吡咯烷中充分溶解，配制成硝酸银摩尔浓度为0.02mol.l-1的硝酸吡咯烷溶液，配制过程中用黑色塑料袋进行避光处理。Step 1): Take 21.23g of pyrrolidine and 27.40g of 68% nitric acid aqueous solution by mass percentage, slowly add the nitric acid aqueous solution to the pyrrolidine in the ice-water bath and magnetic stirrer stirring environment within 0.5h, after reacting for 7h, The reactant was dried under vacuum at a drying temperature of 100° C. to remove water for 44 hours to obtain the ionic liquid pyrrolidine nitrate. The silver nitrate is added into the ionic liquid pyrrolidine nitrate to fully dissolve, and the pyrrolidine nitrate solution with a silver nitrate molar concentration of 0.02 mol.l −1 is prepared, and a black plastic bag is used for light-proof treatment during the preparation process.
步骤2)：将质量百分比为44％的还原剂聚氧乙烯–聚氧丙烯–聚氧乙烯嵌段共聚物加入到硝酸吡咯烷溶液中，避光放置，放置过程中，采用玻璃棒和离心机设备对其反复交替进行搅拌和离心操作，直至混合均匀，反应形成六角相溶致液晶。Step 2): Add a reducing agent polyoxyethylene-polyoxypropylene-polyoxyethylene block copolymer with a mass percentage of 44% to the pyrrolidine nitrate solution, place it in the dark, and use a glass rod and a centrifuge during the placement process The equipment repeatedly alternately stirs and centrifuges until the mixture is uniform, and the reaction forms a hexagonal lyotropic liquid crystal.
步骤3)将液晶样品在25℃下避光静置80h，再以此液晶为模板原位还原硝酸银制得各向异性银纳米棒。Step 3) The liquid crystal sample was kept at 25°C in the dark for 80 hours, and then the anisotropic silver nanorods were prepared by reducing silver nitrate in situ using the liquid crystal as a template.
实施例5：Example 5:
步骤1)：取23.05g吡咯烷和质量百分比为68％的硝酸水溶液29.74g，将硝酸水溶液在0.5h内缓慢滴加到冰水浴、磁力搅拌器搅拌环境中的吡咯烷中，反应8h后，将反应物在真空、80℃干燥温度干燥除水，干燥时间48h，得离子液体硝酸吡咯烷。将硝酸银加入离子液体硝酸吡咯烷中充分溶解，配制成硝酸银摩尔浓度为0.04mol.l-1的硝酸吡咯烷溶液，配制过程中用黑色塑料袋进行避光处理Step 1): Take 23.05g of pyrrolidine and 29.74g of 68% nitric acid aqueous solution by mass percentage, slowly add the nitric acid aqueous solution to the pyrrolidine in the ice-water bath and magnetic stirrer stirring environment within 0.5h, after reacting for 8h, The reactant was dried under vacuum at a drying temperature of 80° C. to remove water for 48 hours to obtain the ionic liquid pyrrolidine nitrate. Add silver nitrate to the ionic liquid pyrrolidine nitrate and fully dissolve it to prepare a solution of pyrrolidine nitrate with a silver nitrate molar concentration of 0.04 mol.l -1 . During the preparation process, use a black plastic bag to avoid light
步骤2)：将质量百分比为48％的还原剂聚氧乙烯–聚氧丙烯–聚氧乙烯嵌段共聚物加入到硝酸吡咯烷溶液中，避光放置，放置过程中，采用玻璃棒和离心机设备对其反复交替进行搅拌和离心操作，直至混合均匀，反应形成六角相溶致液晶。Step 2): Add a reducing agent polyoxyethylene-polyoxypropylene-polyoxyethylene block copolymer with a mass percentage of 48% to the pyrrolidine nitrate solution, place it in the dark, and use a glass rod and a centrifuge during the placement process The equipment repeatedly alternately stirs and centrifuges until the mixture is uniform, and the reaction forms a hexagonal lyotropic liquid crystal.
步骤3)将液晶样品在25℃下避光静置92h，再以此液晶为模板原位还原硝酸银制得各向异性银纳米棒。Step 3) The liquid crystal sample was kept at 25° C. in the dark for 92 hours, and then the anisotropic silver nanorods were prepared by in situ reduction of silver nitrate using the liquid crystal as a template.
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310172931.5A CN103273078B (en) | 2013-05-12 | 2013-05-12 | Preparation method of anisotropy silver nanorod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310172931.5A CN103273078B (en) | 2013-05-12 | 2013-05-12 | Preparation method of anisotropy silver nanorod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103273078A CN103273078A (en) | 2013-09-04 |
| CN103273078B true CN103273078B (en) | 2015-01-07 |
Family
ID=49055756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310172931.5A Expired - Fee Related CN103273078B (en) | 2013-05-12 | 2013-05-12 | Preparation method of anisotropy silver nanorod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103273078B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112705728B (en) * | 2021-01-18 | 2023-05-23 | 山西大同大学 | Green preparation method of silver nanorods |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1196554C (en) * | 2002-11-01 | 2005-04-13 | 中国科学院理化技术研究所 | Preparation method of one-dimensional nano silver material |
| WO2004081979A2 (en) * | 2003-02-14 | 2004-09-23 | The Regents Of The University Of Colorado | Functionalized nanostructured lyotropic liquid crystal polymers |
| CN1924117A (en) * | 2006-08-24 | 2007-03-07 | 山东大学 | Preparation method of two-dimensional plane gold nano single crystal plate |
| JP5327877B2 (en) * | 2008-02-01 | 2013-10-30 | 国立大学法人九州大学 | Method for producing metal nanomaterial and metal nanomaterial obtained thereby |
| CN101434412A (en) * | 2008-09-12 | 2009-05-20 | 华东师范大学 | Preparation of alpha-FeOOH nano-rod |
-
2013
- 2013-05-12 CN CN201310172931.5A patent/CN103273078B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN103273078A (en) | 2013-09-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106744874B (en) | A kind of graphene, its colloidal sol, powder and preparation method and preparation facilities | |
| CN102432874B (en) | Preparation method of graphene loaded ordered polyaniline nanorod array electrode material | |
| CN102184781B (en) | Nano-nickel oxide/graphene composite material and preparation method thereof | |
| CN102977602B (en) | Preparation method of manganese dioxide/carbon material/conducting polymer composite material | |
| CN109411241B (en) | Preparation method of nickel-cobalt hydroxide/carbon nanotube composite for supercapacitor | |
| CN105174249B (en) | High-performance graphene film and fiber and its gel conversion preparation method | |
| CN106449169A (en) | Method for preparing graphene-based composite material | |
| CN106637921A (en) | Polyacrylonitrile/copper sulphide photo-thermal nanofiber fabric and production method and application thereof | |
| CN102275981A (en) | Preparation method of self-substrate SnO2 nanorod array | |
| CN105131282A (en) | Method for preparing conductive polyaniline nanotube by taking sucrose as template | |
| CN106910643B (en) | In-situ polymerization polyaniline-application of the sulfonated graphene composite material in electrode material | |
| CN102602986A (en) | Preparation method of micronano stannic oxide porous rod with controllable shape | |
| CN103613759B (en) | A kind of MoO 3the preparation method of/polyaniline co-axial nano heterojunction | |
| CN101717507A (en) | Static synthesis method of aniline-sulfoacid aniline copolymer nano-fiber | |
| CN105289660B (en) | A kind of preparation method and use of magnesium ferrite/molybdenum sulfide heterojunction nano-wire | |
| CN105037718A (en) | Method for preparing conductive polyaniline nano tube by taking D-tartaric acid as template | |
| CN106964362A (en) | Metal molybdate/carbon composite nano-fiber and preparation method thereof and composite and its application | |
| CN104119530B (en) | A kind of preparation method of Preparation of conductive polyaniline nanotubes | |
| CN103241761B (en) | A kind of simple method for preparing of three-dimensional flower-shaped micro-nano copper oxide | |
| CN103273078B (en) | Preparation method of anisotropy silver nanorod | |
| CN103435819B (en) | Method for preparing thread-shaped polyaniline micro-nano tubes with fullerene fiber as template and products of thread-shaped polyaniline micro-nano tubes | |
| CN105241936A (en) | Method for determination of p-nitrophenol by using carbon nanotube copper nickel solid solution as electrode | |
| CN103936984B (en) | The method of polyaniline nano fiber is prepared in the regulation and control of a kind of using electric field | |
| CN104810160B (en) | A kind of ambrose alloy subcarbonate nano-wire array, preparation method and the usage | |
| CN104844798A (en) | Preparation method of nanometer porous polypyrrole tube |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150107 Termination date: 20150512 |
|
| EXPY | Termination of patent right or utility model |