CN114054042A - 带有介孔的Ag掺杂氧化镍纳米微球的制备方法及其产品 - Google Patents
带有介孔的Ag掺杂氧化镍纳米微球的制备方法及其产品 Download PDFInfo
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- 229910000480 nickel oxide Inorganic materials 0.000 title claims abstract description 126
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 title claims abstract description 69
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- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- 239000000839 emulsion Substances 0.000 claims abstract description 22
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 12
- 238000001035 drying Methods 0.000 claims abstract description 9
- 150000002815 nickel Chemical class 0.000 claims abstract description 8
- 229910002651 NO3 Inorganic materials 0.000 claims abstract description 7
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000011259 mixed solution Substances 0.000 claims abstract description 7
- 239000012300 argon atmosphere Substances 0.000 claims abstract description 5
- 238000004321 preservation Methods 0.000 claims abstract description 5
- 239000002077 nanosphere Substances 0.000 claims description 50
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 29
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 9
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- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical group [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 claims description 8
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- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Inorganic materials [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 claims description 3
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Inorganic materials [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 claims description 2
- 230000035484 reaction time Effects 0.000 claims description 2
- 229910052709 silver Inorganic materials 0.000 claims description 2
- 239000004332 silver Substances 0.000 claims description 2
- 239000000969 carrier Substances 0.000 claims 1
- 230000008859 change Effects 0.000 abstract description 21
- 239000013078 crystal Substances 0.000 abstract description 15
- 238000012986 modification Methods 0.000 abstract description 4
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- 238000005036 potential barrier Methods 0.000 abstract 1
- 239000011148 porous material Substances 0.000 description 8
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- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 6
- 239000002086 nanomaterial Substances 0.000 description 6
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 238000001069 Raman spectroscopy Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
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- 239000007864 aqueous solution Substances 0.000 description 3
- 229910052786 argon Inorganic materials 0.000 description 3
- 239000008367 deionised water Substances 0.000 description 3
- 229910021641 deionized water Inorganic materials 0.000 description 3
- 235000002639 sodium chloride Nutrition 0.000 description 3
- 239000011780 sodium chloride Substances 0.000 description 3
- NTJMGOWFGQXUDY-UHFFFAOYSA-N 2H-azirine Chemical class C1C=N1 NTJMGOWFGQXUDY-UHFFFAOYSA-N 0.000 description 2
- 238000001237 Raman spectrum Methods 0.000 description 2
- 238000003917 TEM image Methods 0.000 description 2
- 238000002441 X-ray diffraction Methods 0.000 description 2
- 150000001299 aldehydes Chemical class 0.000 description 2
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- VLTRZXGMWDSKGL-UHFFFAOYSA-M perchlorate Chemical compound [O-]Cl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-M 0.000 description 2
- 238000001878 scanning electron micrograph Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
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- WWNBZGLDODTKEM-UHFFFAOYSA-N sulfanylidenenickel Chemical compound [Ni]=S WWNBZGLDODTKEM-UHFFFAOYSA-N 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 229910052984 zinc sulfide Inorganic materials 0.000 description 1
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/89—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals
- B01J23/892—Nickel and noble metals
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Abstract
本发明涉及带有介孔的Ag掺杂氧化镍纳米微球的制备方法及其产品,属于氧化镍纳米微球改性技术领域。本发明首先在氩气气氛下将镍盐与加入硝酸盐和三乙醇胺形成的混合溶液搅拌形成乳液,然后在50~90℃下反应、160~200℃下进行保温处理后进行离心,经干燥后得到带有介孔的Ag掺杂氧化镍纳米微球(Ag/NiO纳米微球),同时对纯氧化镍和Ag掺杂氧化镍两种纳米微球进行了高压相变研究,相变压力降低,晶体结构稳定性下降,原因在于掺杂Ag导致NiO晶格膨胀,晶体结构松弛,两相相对体积变化增加,从而导致相变势垒降低,使样品在较低压力下发生相变。另外本发明还公开了一种带有介孔的Ag掺杂氧化镍纳米微球,可以大幅度提高光催化反应效率。
Description
技术领域
本发明属于氧化镍纳米微球改性技术领域,涉及带有介孔的Ag掺杂氧化镍纳米微球的制备方法及其产品。
背景技术
NiO是典型的宽禁带直接带隙半导体氧化物,具有较高的激子束缚能和优异的光学、电学、磁学以及气敏等物理化学特性。NiO在自然界晶体结构与NaCl相同。NiO纳米材料的性质与其结构密切相关,元素掺杂可改变NiO的晶体结构和带隙宽度,影响NiO晶体内部缺陷,是提高NiO材料性能的有效手段。
因此有必要通过对NiO进行形貌和结构可控设计、元素掺杂以及异质复合结构等方式制备新的NiO纳米材料,对NiO纳米材料进行改性,试图实现NiO纳米材料晶体形貌、尺寸控制以及掺杂金属的异质结复合结构的合成应用研究。
发明内容
有鉴于此,本发明的目的之一在于提供带有介孔的Ag掺杂氧化镍纳米微球的制备方法;本发明的目的之二在于提供带有介孔的Ag掺杂氧化镍纳米微球。
为达到上述目的,本发明提供如下技术方案:
1.带有介孔的Ag掺杂氧化镍纳米微球的制备方法,所述制备方法包括如下步骤:
(1)制备乳液:在氩气气氛下,向镍盐中加水进行充分溶解,继续加入硝酸盐和三乙醇胺形成的混合溶液,充分搅拌至乳化形成乳液;
(2)制备纳米微球:将所述乳液升温至50~90℃下反应后在160~200℃下进行保温处理10~14h,在10000~11500rpm的转速下离心后收集固体产物,反复用水和乙醇进行洗涤,干燥过夜,得到带有介孔的Ag掺杂氧化镍纳米微球(Ag/NiO纳米微球)。
优选的,步骤(1)中,所述镍盐为Ni(NO3)2.6H2O、Ni(Cl)2.6H2O、NiF2.4H2O或Ni(CO)4中的任意一种或几种;
所述硝酸盐为AgNO3、KNO3或NaNO3中的任意一种或几种。
优选的,步骤(1)中,所述混合溶液中AgNO3和三乙醇胺的摩尔体积比为0.033~0.1:15,mol:L。
进一步优选的,步骤(1)中,所述镍盐中镍与AgNO3的摩尔比为4~8:0.033。
优选的,步骤(2)中,所述反应时间为20~28h。
优选的,步骤(2)中,所述保温处理在聚四氟乙烯内衬的不锈钢高压釜中进行。
优选的,步骤(2)中,所述干燥的温度为70~90℃。
2.根据上述制备方法制备的带有介孔的Ag掺杂氧化镍纳米微球。
优选的,所述带有介孔的Ag掺杂氧化镍纳米微球中银(Ag)和氧化镍(NiO)的摩尔比为1:60~480。
3.根据上述带有介孔的Ag掺杂氧化镍纳米微球在制备催化剂载体方面的应用。
本发明的有益效果在于:
1、本发明公开了一种带有介孔的Ag掺杂氧化镍纳米微球的制备方法,主要是:首先在氩气气氛下将镍盐与加入硝酸盐和三乙醇胺形成的混合溶液搅拌形成乳液,然后在50~90℃下反应、160~200℃下进行保温处理后进行概述离心,经干燥后得到带有介孔的Ag掺杂氧化镍纳米微球(Ag/NiO纳米微球)。本发明的制备方法同时对纯氧化镍和Ag掺杂氧化镍两种纳米微球进行了高压相变研究,相变压力降低,晶体结构稳定性下降,原因在于掺杂Ag导致NiO晶格膨胀,晶体结构松弛,两相相对体积变化增加,从而导致相变势垒降低,使样品在较低压力下发生相变。
2、本发明还公开了一种带有介孔的Ag掺杂氧化镍纳米微球,可以大幅度提高光催化反应效率。
本发明的其他优点、目标和特征在某种程度上将在随后的说明书中进行阐述,并且在某种程度上,基于对下文的考察研究对本领域技术人员而言将是显而易见的,或者可以从本发明的实践中得到教导。本发明的目标和其他优点可以通过下面的说明书来实现和获得。
附图说明
为了使本发明的目的、技术方案和优点更加清楚,下面将结合附图对本发明作优选的详细描述,其中:
图1为实施例1中制备得到的带有介孔的Ag掺杂氧化镍纳米微球(Ag/NiO纳米微球)的TEM图;
图2为实施例1和实施例2中制备得到的带有介孔的Ag掺杂氧化镍纳米微球(Ag/NiO纳米微球)的SEM图,其中a、b、c和d中添加的Ni(NO3)2.6H2O的量分别为2mmol、4mmol、8mmol和16mmol;
图3为实施例1和实施例2中制备得到的带有介孔的Ag掺杂氧化镍纳米微球(Ag/NiO纳米微球)的孔径分布图,其中a、b、c和d中添加的Ni(NO3)2.6H2O的量分别为2mmol、4mmol、8mmol和16mmol;
图4为实施例1中Ag掺杂NiO样品在0~70°的XRD衍射图;
图5为实施例1制备得到的带有介孔的Ag掺杂氧化镍纳米微球(Ag/NiO纳米微球)随体系压力增加得到的拉曼光谱图;
图6为实施例1中制备的Ag/NiO纳米微球和SiO2载体负载Mes-Acr+ClO4 -催化2H-azirines和醛进行[3+2]环加成/氧化芳基化合成2,4,5-三取代恶唑。
具体实施方式
以下通过特定的具体实例说明本发明的实施方式,本领域技术人员可由本说明书所揭露的内容轻易地了解本发明的其他优点与功效。本发明还可以通过另外不同的具体实施方式加以实施或应用,本说明书中的各项细节也可以基于不同观点与应用,在没有背离本发明的精神下进行各种修饰或改变。需要说明的是,以下实施例中所提供的图示仅以示意方式说明本发明的基本构想,在不冲突的情况下,以下实施例及实施例中的特征可以相互组合。
实施例1
制备带有介孔的Ag掺杂氧化镍纳米微球,具体的制备方法包括以下步骤:
(1)制备乳液:在50ml三颈瓶中加入8mmol Ni(NO3)2.6H2O,抽真空通氩气,置换三次;加入预超声的60ml去离子水搅拌溶解;另取0.33ml 0.1mol/mL的AgNO3溶液和15ml三乙醇胺混合均匀后用注射器加到上述水溶液中,充分搅拌至完全乳化。形成乳液;
(2)制备纳米微球:将步骤(1)中制备的乳液先升温至70℃后反应24h,然后将其转移到100ml的聚四氟乙烯内衬的不锈钢高压釜中,在180℃下保温12h;完成后使用高速离心机以10000rpm的转速离心,收集所得固体产物,分别用水和乙醇洗涤三次,然后在80℃下干燥过夜,得到产物带有介孔的Ag掺杂氧化镍纳米微球(Ag/NiO纳米微球,其中Ag和NiO的摩尔比为1:60(ICP测试))。
实施例2
实施方法和合成条件都与实施例1相同,区别在于:将实施例1中Ni(NO3)2.6H2O的量从8mmol分别变成2mmol、4mmol和16mmol,制备得到Ag和NiO比例不同的带有介孔的Ag掺杂氧化镍纳米微球(Ag/NiO纳米微球)。
实施例3
实施方法和合成条件都与实施例1相同,区别在于:将实施例1中加入的0.33ml0.1mol/mL的AgNO3溶液分别替换为0.33ml 0.1mol/L的KNO3和0.33ml 0.1mol/L的NaNO3,制备得到不同硝酸盐参与反应下得到的带有介孔的Ag掺杂氧化镍纳米微球(Ag/NiO纳米微球)。
实施例4
实施方法和合成条件都与实施例1相同,区别在于:将实施例1中加入的Ni(NO3)2.6H2O分别替换为Ni(Cl)2.6H2O、NiF2.4H2O或Ni(CO)4,制备得到不同镍盐参与反应下得到的带有介孔的Ag掺杂氧化镍纳米微球(Ag/NiO纳米微球)。
实施例5
制备带有介孔的Ag掺杂氧化镍纳米微球,具体的制备方法包括以下步骤:
(1)制备乳液:在50ml三颈瓶中加入4mmol Ni(NO3)2.6H2O,抽真空通氩气,置换三次;加入预超声的60ml去离子水搅拌溶解;另取0.33ml 0.1mol/mL的AgNO3溶液和5ml三乙醇胺混合均匀后用注射器加到上述水溶液中,充分搅拌至完全乳化。形成乳液;
(2)制备纳米微球:将将步骤(1)中制备的乳液先升温至90℃后反应20h,然后将其转移到100ml的聚四氟乙烯内衬的不锈钢高压釜中,在160℃下保温14h;完成后使用高速离心机以10000rpm的转速离心,收集所得固体产物,分别用水和乙醇洗涤三次,然后在90℃下干燥过夜,得到产物带有介孔的Ag掺杂氧化镍纳米微球(Ag/NiO纳米微球,其中Ag和NiO的摩尔比为1:240(ICP检测))。
实施例6
制备带有介孔的Ag掺杂氧化镍纳米微球,具体的制备方法包括以下步骤:
(1)制备乳液:在50ml三颈瓶中加入8mmol Ni(NO3)2.6H2O,抽真空通氩气,置换三次;加入预超声的60ml去离子水搅拌溶解;另取0.33ml 0.1mol/mL的AgNO3溶液和15ml三乙醇胺混合均匀后用注射器加到上述水溶液中,充分搅拌至完全乳化。形成乳液;
(2)制备纳米微球:将将步骤(1)中制备的乳液先升温至50℃后反应28h,然后将其转移到100ml的聚四氟乙烯内衬的不锈钢高压釜中,在200℃下保温10h;完成后使用高速离心机以11500rpm的转速离心,收集所得固体产物,分别用水和乙醇洗涤三次,然后在70℃下干燥过夜,得到产物带有介孔的Ag掺杂氧化镍纳米微球(Ag/NiO纳米微球,其中Ag和NiO的摩尔比为1:240(ICP检测))。
图1为实施例1中制备得到的带有介孔的Ag掺杂氧化镍纳米微球(Ag/NiO纳米微球)的TEM图。从图1可以看出,银掺杂氧化镍样品的晶格较纯氧化镍膨胀,但均为六角纤镍矿晶体结构,形貌均为几十纳米尺寸小颗粒堆积形成的微球。
图2为实施例1和实施例2中制备得到的带有介孔的Ag掺杂氧化镍纳米微球(Ag/NiO纳米微球)的SEM图,其中a、b、c和d中添加的Ni(NO3)2.6H2O的量分别为2mmol、4mmol、8mmol和16mmol。从图2中可以看出,按照实施例2中的制备方法添加Ni(NO3)2.6H2O的量制备的带有介孔的Ag掺杂氧化镍纳米微球(Ag/NiO纳米微球)表面都不平整,有大量的不同小孔;而按照实施例1中的制备方法添加Ni(NO3)2.6H2O的量制备的带有介孔的Ag掺杂氧化镍纳米微球(Ag/NiO纳米微球)表面平整光滑,介孔大小分布均匀。
图3为实施例1和实施例2中制备得到的带有介孔的Ag掺杂氧化镍纳米微球(Ag/NiO纳米微球)的孔径分布图,其中a、b、c和d中添加的Ni(NO3)2.6H2O的量分别为2mmol、4mmol、8mmol和16mmol。从图3中可以看出,a中带有介孔的Ag掺杂氧化镍纳米微球(Ag/NiO纳米微球)的孔径分布不均匀,孔径之间偏差较大;b孔径分布同样不均匀,较为离散;c中孔径分布均匀,集中在2~6nm;d中孔径分布与a中类似,分布不均匀的同时孔径之间存在较大偏差。
图4为实施例1中Ag掺杂NiO样品在0~70°的XRD衍射图。结果显示,带有介孔的Ag掺杂NiO样品的XRD图与标准卡片的吸收峰位置基本一致。
图5为实施例1制备得到的带有介孔的Ag掺杂氧化镍纳米微球(Ag/NiO纳米微球)随体系压力增加得到的拉曼光谱图。带有介孔的Ag掺杂氧化镍纳米微球(Ag/NiO纳米微球)的高压结构相变规律与纯氧化镍(NiO)相似,体系压力增加到5.3GPa以前,实施例1中制备的带有介孔的Ag掺杂氧化镍纳米微球(Ag/NiO纳米微球)一直保持着介孔结构;当体系压力升高至5.3GPa时,纤镍矿结构氧化镍的拉曼特征峰完全消失,同时谱图中位于595cm-1处出现新的拉曼峰,表明带有介孔的Ag掺杂氧化镍纳米微球(Ag/NiO纳米微球)在5.3GPa左右发生了结构相变;继续对体系增加压力,属于岩盐矿结构NiO的Raman特征峰渐变强,同时Raman峰缓慢向高频移动,直至达到本实验最高压力16.2GPa时,实施例1中带有介孔的Ag掺杂氧化镍纳米微球(Ag/NiO纳米微球)一直保持立方岩盐矿型。由此可知,本发明制备的带有介孔的Ag掺杂氧化镍纳米微球(Ag/NiO纳米微球)由纤镍矿变成岩盐结构的相变压力大约为7.2GPa。相对比纯NiO晶体,Ag掺杂NiO晶体在较低的压力下发生结构相变,且相变过程持续较短。
图6光照条件下,分别以Ag/NiO纳米微球载体和SiO2载体负载Mes-Acr+ClO4 -催化2H-azirines和醛进行[3+2]环加成/氧化芳基化合成2,4,5-三取代恶唑。由图6可知,Ag/NiO纳米微球催化剂在16h左右转化率即达到95%以上,而SiO2催化剂在70h左右转化率即达到90%,所以,相同条件下,Ag掺杂氧化镍纳米微球,可以大幅度提高光催化反应效率。
同样按照测试实施例1中制备得到的带有介孔的Ag掺杂氧化镍纳米微球(Ag/NiO纳米微球)的测试方法对实施例3~6中制备的制备得到的带有介孔的Ag掺杂氧化镍纳米微球(Ag/NiO纳米微球)进行性能测试,其结果与实施例1中的结果无较大区别,说明在实施例3~6中制备过程中各项条件的变化并不影响最终制备得到的带有介孔的Ag掺杂氧化镍纳米微球(Ag/NiO纳米微球)的性能。
综上所述,本发明公开了一种带有介孔的Ag掺杂氧化镍纳米微球的制备方法,主要是:首先在氩气气氛下将镍盐与加入硝酸盐和三乙醇胺形成的混合溶液搅拌形成乳液,然后在50~90℃下反应、160~200℃下进行保温处理后进行概述离心,经干燥后得到带有介孔的Ag掺杂氧化镍纳米微球(Ag/NiO纳米微球)。本发明的制备方法同时对纯氧化镍和Ag掺杂氧化镍两种纳米微球进行了高压相变研究,相变压力降低,晶体结构稳定性下降,原因在于掺杂Ag导致NiO晶格膨胀,晶体结构松弛,两相相对体积变化增加,从而导致相变势垒降低,使样品在较低压力下发生相变。另外本发明还公开了一种带有介孔的Ag掺杂氧化镍纳米微球,可以大幅度提高光催化反应效率。
最后说明的是,以上实施例仅用以说明本发明的技术方案而非限制,尽管参照较佳实施例对本发明进行了详细说明,本领域的普通技术人员应当理解,可以对本发明的技术方案进行修改或者等同替换,而不脱离本技术方案的宗旨和范围,其均应涵盖在本发明的权利要求范围当中。
Claims (10)
1.带有介孔的Ag掺杂氧化镍纳米微球的制备方法,其特征在于,所述制备方法包括如下步骤:
(1)制备乳液:在氩气气氛下,向镍盐中加水进行充分溶解,继续加入硝酸盐和三乙醇胺形成的混合溶液,充分搅拌至乳化形成乳液;
(2)制备纳米微球:将所述乳液升温至50~90℃下反应后在160~200℃下进行保温处理10~14h,在10000~11500rpm的转速下离心后收集固体产物,反复用水和乙醇进行洗涤,干燥过夜,得到带有介孔的Ag掺杂氧化镍纳米微球。
2.根据权利要求1所述的制备方法,其特征在于,步骤(1)中,所述镍盐为Ni(NO3)2.6H2O、Ni(Cl)2.6H2O、NiF2.4H2O或Ni(CO)4中的任意一种或几种;
所述硝酸盐为AgNO3、KNO3或NaNO3中的任意一种或几种。
3.根据权利要求1所述的制备方法,其特征在于,步骤(1)中,所述混合溶液中AgNO3和三乙醇胺的摩尔体积比为0.033~0.1:15,mol:L。
4.根据权利要求2所述的制备方法,其特征在于,步骤(1)中,所述镍盐中镍与AgNO3的摩尔比为4~8:0.033。
5.根据权利要求1所述的制备方法,其特征在于,步骤(2)中,所述反应时间为20~28h。
6.根据权利要求1所述的制备方法,其特征在于,步骤(2)中,所述保温处理在聚四氟乙烯内衬的不锈钢高压釜中进行。
7.根据权利要求1所述的制备方法,其特征在于,步骤(2)中,所述干燥的温度为70~90℃。
8.根据权利要求1~7任一项所述制备方法制备的带有介孔的Ag掺杂氧化镍纳米微球。
9.根据权利要求8所述的带有介孔的Ag掺杂氧化镍纳米微球,其特征在于,所述带有介孔的Ag掺杂氧化镍纳米微球中银和氧化镍的摩尔比为1:60~480。
10.根据权利要求8~9任一项所述的带有介孔的Ag掺杂氧化镍纳米微球在制备催化剂载体方面的应用。
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