CN110684526A - 一种FeOOH包覆铜酸镝荧光、催化粉体的制备方法 - Google Patents
一种FeOOH包覆铜酸镝荧光、催化粉体的制备方法 Download PDFInfo
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- 239000000843 powder Substances 0.000 title claims abstract description 56
- 229910052692 Dysprosium Inorganic materials 0.000 title claims abstract description 39
- KBQHZAAAGSGFKK-UHFFFAOYSA-N dysprosium atom Chemical compound [Dy] KBQHZAAAGSGFKK-UHFFFAOYSA-N 0.000 title claims abstract description 37
- 229910002588 FeOOH Inorganic materials 0.000 title claims abstract description 29
- 230000003197 catalytic effect Effects 0.000 title claims abstract description 29
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- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000001257 hydrogen Substances 0.000 claims abstract description 11
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 11
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000001301 oxygen Substances 0.000 claims abstract description 9
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 9
- 230000007062 hydrolysis Effects 0.000 claims abstract description 5
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- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 claims description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 28
- 238000003756 stirring Methods 0.000 claims description 27
- 239000010949 copper Substances 0.000 claims description 24
- 150000003839 salts Chemical class 0.000 claims description 23
- 239000008367 deionised water Substances 0.000 claims description 20
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- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical group CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 claims description 18
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical group CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 16
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 14
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
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- 238000010438 heat treatment Methods 0.000 claims description 12
- QXPQVUQBEBHHQP-UHFFFAOYSA-N 5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-4-amine Chemical compound C1CCCC2=C1SC1=C2C(N)=NC=N1 QXPQVUQBEBHHQP-UHFFFAOYSA-N 0.000 claims description 11
- XTVVROIMIGLXTD-UHFFFAOYSA-N copper(II) nitrate Chemical compound [Cu+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O XTVVROIMIGLXTD-UHFFFAOYSA-N 0.000 claims description 11
- JGUQDUKBUKFFRO-CIIODKQPSA-N dimethylglyoxime Chemical compound O/N=C(/C)\C(\C)=N\O JGUQDUKBUKFFRO-CIIODKQPSA-N 0.000 claims description 10
- VCJMYUPGQJHHFU-UHFFFAOYSA-N iron(3+);trinitrate Chemical compound [Fe+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O VCJMYUPGQJHHFU-UHFFFAOYSA-N 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 10
- 229910052802 copper Inorganic materials 0.000 claims description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
- 239000013078 crystal Substances 0.000 claims description 8
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- 229910052757 nitrogen Inorganic materials 0.000 claims description 7
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- MAYVZUQEFSJDHA-UHFFFAOYSA-N 1,5-bis(methylsulfanyl)naphthalene Chemical compound C1=CC=C2C(SC)=CC=CC2=C1SC MAYVZUQEFSJDHA-UHFFFAOYSA-N 0.000 claims description 5
- ORTQZVOHEJQUHG-UHFFFAOYSA-L copper(II) chloride Chemical compound Cl[Cu]Cl ORTQZVOHEJQUHG-UHFFFAOYSA-L 0.000 claims description 5
- 150000001879 copper Chemical class 0.000 claims description 4
- 229910021578 Iron(III) chloride Inorganic materials 0.000 claims description 3
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 claims description 3
- 238000012546 transfer Methods 0.000 claims description 3
- WQXKGOOORHDGFP-UHFFFAOYSA-N 1,2,4,5-tetrafluoro-3,6-dimethoxybenzene Chemical compound COC1=C(F)C(F)=C(OC)C(F)=C1F WQXKGOOORHDGFP-UHFFFAOYSA-N 0.000 claims description 2
- OPQARKPSCNTWTJ-UHFFFAOYSA-L copper(ii) acetate Chemical compound [Cu+2].CC([O-])=O.CC([O-])=O OPQARKPSCNTWTJ-UHFFFAOYSA-L 0.000 claims description 2
- PVFSDGKDKFSOTB-UHFFFAOYSA-K iron(3+);triacetate Chemical compound [Fe+3].CC([O-])=O.CC([O-])=O.CC([O-])=O PVFSDGKDKFSOTB-UHFFFAOYSA-K 0.000 claims description 2
- 238000003760 magnetic stirring Methods 0.000 claims description 2
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- 229910021645 metal ion Inorganic materials 0.000 abstract description 2
- 239000010419 fine particle Substances 0.000 abstract 1
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- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 description 3
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- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
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- 206010020751 Hypersensitivity Diseases 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
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- ZOMNIUBKTOKEHS-UHFFFAOYSA-L dimercury dichloride Chemical class Cl[Hg][Hg]Cl ZOMNIUBKTOKEHS-UHFFFAOYSA-L 0.000 description 1
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Abstract
本发明属于荧光材料及电催化材料技术领域,具体涉及一种FeOOH包覆铜酸镝荧光、催化粉体的制备方法。本专利采用配位法制备纳米催化粉体,纯度高,粒度小且均匀,比表面积大,不仅可以作为荧光材料,也可在电催化水解产氢、产氧方面具有潜在的应用空间。本发明提供的制备方法,简单易操作,成本低,颗粒细小,不会引入杂质或造成金属物料损失,配位法能保证析出物中金属离子的化学计量比,能推广应用于工业化生产。
Description
技术领域
本发明属于荧光材料及电催化材料技术领域,具体涉及一种FeOOH包覆铜酸镝荧光、催化粉体的制备方法。
稀土发光材料指利用稀土元素特有的电子层结构,通过不同的激发方式使其发光的稀土功能材料,俗称稀土荧光粉,具有吸收能力强、转换效率高等优点。稀土发光材料可发射从紫外到红外的光谱,特别是在可见光区有很强的发射。稀土发光材料已经被普遍地应用在照明、新光源、显示显像、X射线增光屏等方面,在人们生活中的地位日益提高。稀土发光材料是稀土研究领域的一个主要方向,随着稀土研究方面基础技术的进步,稀土发光材料的研究得到进一步发展。
制备铜系稀土材料的常见方法包括高温固相合成法、溶胶凝胶法、共沉淀法、水热法、燃烧法等等。这些方法都面临着同一个问题:无法解决铜离子和稀土离子严格化学计量比的问题,无法制备出高纯度的、成分均匀的产品,而样品的纯度与性质息息相关。制备的铜酸镝光致发光光谱中,Dy3+离子在许多无机基质中都是重要的激发中心,这与它的能级结构和较高的荧光效率有关。通常Dy3+离子有两个主发射峰,一个是4F9/2→6H15/2跃迁,出现在蓝光区域(470-500nm)。该跃迁是磁偶极跃迁,不受离子所在配位环境对称性的影响。另外一个发射峰在560-600nm范围内,发射黄光,归属为4F9/2→6H13/2跃迁,这是一个电偶极跃迁,对配位环境对称性比较敏感。
本专利采用配位化合法制备FeOOH包覆铜酸镝荧光、催化粉体。利用金属阳离子与有机溶剂反应,使金属离子与配位体以配位键的形式相结合,从而形成具有一定组成或空间构型的配位离子。
本发明所提供的制备方法,不仅可以解决上述问题,还将FeOOH粉体同时包覆在配位法制备的的Dy2Cu2O5纳米粉体上,制备出的粉体纯度高、粒度均匀、可控性好、性能优异。此外,本专利制备的纳米粉体,可用于荧光材料,还可在电催化水解产氢、产氧方面具有潜在的应用空间。
发明内容
为解决上述技术问题,本发明提供了一种FeOOH包覆铜酸镝荧光、催化粉体的制备方法。本发明制备的粉体具有粉体纯度高、粒度均匀、可控性好、性能优异,制备的铜酸镝纳米粉体不仅可以用于荧光材料,还可用于电解水产氢产氧的催化剂。
具体技术方案如下:
一种FeOOH包覆铜酸镝荧光、催化粉体的制备方法,包括以下步骤:
(1)将一定量铁的可溶性盐溶解于去离子水中,搅拌均匀,加入一定量的盐酸,调整溶液pH值为4-6,将溶液放入烘箱中在60-90℃下加热2-3h,得到溶液A;
(2)按照Dy2Cu2O5中Cu与Dy的化学计量比称取Cu的可溶性盐和Dy的可溶性盐,溶于去离子水中,混合均匀,得到溶液B;
(3)在溶液B中加入一定量的乙腈和一定量的丁二酮肟,将溶液于60~90℃加热并搅拌2~3h,用移液枪加入5-10mL浓度为1mol/L的碱液,搅拌直至溶解,制备成溶液C;
(4)将溶液C放进烘箱,在120℃-150℃的温度条件下,恒温反应3-6小时后,空气中冷却至室温;待溶液体系稳定后,将所得混合溶液进行过滤,所得固体用水洗涤2-4次,得到片状晶体,将得到的晶体放入液氮中进行粉化,将得到的粉体D取出;
(5)将粉体D加入到溶液A中,搅拌均匀,搅拌时间为20-30min,用喷雾器进行喷雾造粒,60-90℃的温度条件下,烘箱烘干1-2h,制备出本专利需要的纳米粉体。
步骤(1)中所述的铁的可溶性盐可以为氯化铁、硝酸铁或醋酸铁。
步骤(1)中铁的可溶性盐的用量为铜的可溶性盐和镝的可溶性盐总摩尔量的1~2倍,去离子水的体积用量为铜的可溶性盐和镝的可溶性盐总摩尔量的4~6倍。
步骤(1)(3)(5)中所述的搅拌条件为机械搅拌或磁力搅拌,转子转数为500~1000r/min。
步骤(2)中所述的铜的可溶性盐可以为氯化铜、硝酸铜或醋酸铜,镝的可溶性盐可以为氯化镝、硝酸镝或醋酸镝。
步骤(3)中所述乙腈的用量为铜盐摩尔量的3-4倍、丁二酮肟用量为铜盐摩尔量的1-2倍。
步骤(3)中碱液的溶质为三乙胺,溶剂为乙醇。
所述粉体可作为荧光材料,还可用于电催化水解产氢、产氧。
与现有技术相比,本发明具有如下有益技术效果:
(1)本发明采用配位合成的方法,制备过程简单,金属原子匹配性好,不会造成金属的浪费,污染环境,节约成本;
(2)本发明在原有简单溶液制备的过程中,添加乙腈和丁二酮肟,有效的分散了铜离子和镝离子;在液氮中进行粉化,使得制备的粉体更为细小,有利于纳米化,具体为丁二酮肟与铜离子进行有效的配位,可使铜和镝充分溶解在乙腈溶液中,而使用其他分散剂很难达到本专利要求的实验效果。
(3)本发明制备的粉体纯度高、粒度均匀、可控性好、性能优异,目前还未见有该粉体对电解水催化的相关报道。不仅可以用于荧光材料,还开辟了电催化水解产氢、产氧方面具有潜在的应用空间,开拓了新的性能。
附图说明
图1为本发明实施例1制备得到的FeOOH包覆铜酸镝荧光、催化粉体的扫描电镜图;
图2为本发明实施例2制备得到的FeOOH包覆铜酸镝荧光、催化粉体在272nm的荧光发射光谱;
图3为本发明实施例3制备得到的FeOOH包覆铜酸镝荧光、催化粉体的析氢曲线;
图4为本发明实施例3制备得到的FeOOH包覆铜酸镝荧光、催化粉体的析氧曲线;
图5为本发明对比例1制备得到的FeOOH包覆铜酸镝荧光、催化粉体的扫描电镜图;
图6为本发明对比例1制备得到的FeOOH包覆铜酸镝荧光、催化粉体在272nm的荧光发射光谱。
具体实施方式
下面结合附图对本发明进行详细说明,但本发明的保护范围不受实施例所限。
实施例1
(1)将2mmol氯化铁溶解于12mmol去离子水中,500r/min磁力搅拌10min,加入一定量的盐酸,调整溶液pH值为4,将溶液放入烘箱中90℃下加热2h,得到溶液A;
(2)按照Dy2Cu2O5中Cu与Dy的化学计量比称取1mmol氯化铜和1mmol氯化镝,溶于去离子水中,去离子水的体积用量为氯化铜和氯化镝总摩尔质量的6倍,混合均匀,得到溶液B;
(3)在溶液B中加入3mmol乙腈,加入2mmol丁二酮肟,在60℃下加热并500r/min搅拌2h,用移液枪加入浓度为1mol/L的碱液5ml(溶质为三乙胺,溶剂为乙醇),500r/min搅拌20min直至溶解,制备成溶液C。
(4)将溶液C放进烘箱,在150℃的温度条件下,恒温反应3小时后,空气中冷却至室温;待溶液体系稳定后,将所得混合溶液进行过滤,所得固体用水洗涤2次,将得到的晶体放入液氮中进行粉化,取出粉体D。
(5)将粉体D加入到溶液A中,500r/min磁力搅拌20min,用喷雾器进行喷雾造粒,60℃的温度条件下,烘箱烘干2h,制备出本专利需要的粉体。
图1为本发明实施例1制备得到的FeOOH包覆铜酸镝荧光、催化粉体的扫描电镜图,如图所示,制备的粉体呈现均匀的颗粒,尺度为50-100nm,颗粒均匀,分散性好,比表面积大,有利于催化反应进行。
实施例2
(1)将4mmol硝酸铁溶解于12mmol去离子水中,800r/min磁力搅拌10min,加入一定量的盐酸,调整溶液pH值为6,将溶液烘箱中在80℃下加热2.5h,得到溶液A;
(2)按照Dy2Cu2O5中Cu与Dy的化学计量比称取1mmol硝酸铜和1mmol硝酸镝,溶于去离子水中,去离子水的体积用量为硝酸铜和硝酸镝总摩尔质量的6倍,混合均匀,得到溶液B;
(3)在溶液B中加入3mmol乙腈,加入1mmol丁二酮肟,在60℃下加热并800r/min磁力搅拌2h,用移液枪加入浓度为1mol/L的碱液5ml(溶质为三乙胺,溶剂为乙醇),800r/min磁力搅拌10min,制备成溶液C。
(4)将溶液C放进烘箱,在120℃的温度条件下,恒温反应3小时后,空气中冷却至室温;待溶液体系稳定后,将所得混合溶液进行过滤,所得固体用水洗涤2次,将得到的晶体放入液氮中进行粉化,取出粉体D。
(5)将粉体D加入到溶液A中,搅拌均匀,800r/min磁力搅拌25min,用喷雾器进行喷雾造粒,90℃的温度条件下,烘箱烘干1h,制备出本专利需要的纳米粉体。
图2为FeOOH包覆铜酸镝荧光、催化粉体在272nm激发下的发射光谱,在487nm和577nm处有两个明显的发射峰,分别对应于Dy3+离子的4F9/2→6H15/2和4F9/2→6H13/2跃迁。其中发射蓝光的4F9/2→6H15/2跃迁是磁偶极跃迁,而发射黄光的4F9/2→6H13/2跃迁是超敏感受迫电偶极跃迁。
实施例3
(1)将2mmol硝酸铁溶解于12mmol去离子水中,600r/min磁力搅拌10min,加入一定量的盐酸,调整溶液pH值为5,将溶液放入烘箱中在760℃下加热3h,得到溶液A;
(2)按照Dy2Cu2O5中Cu与Dy的化学计量比称取1mmol硝酸铜和1mmol硝酸镝,溶于去离子水中,去离子水的体积用量为硝酸铜和硝酸镝总摩尔质量的6倍,混合均匀,得到溶液B;
(3)在溶液B中加入3mmol乙腈,加入1mmol丁二酮肟,在60℃下加热并600r/min磁力搅拌2h,用移液枪加入浓度为1mol/L的碱液5ml(溶质为三乙胺,溶剂为乙醇),搅拌直至溶解,制备成溶液C。
(4)将溶液C放进烘箱,在130℃的温度条件下,恒温反应6小时后,空气中冷却至室温;待溶液体系稳定后,将所得混合溶液进行过滤,所得固体用水洗涤4次,将得到的晶体放入液氮中进行粉化,取出粉体D。
(5)将粉体D加入到溶液A中,600r/min磁力搅拌30min,用喷雾器进行喷雾造粒,60℃的温度条件下,烘箱烘干2h,制备出本专利需要的纳米粉体。
采用三电极体系对FeOOH包覆铜酸镝纳米催化粉体的电催化析氢析氧性能进行测试,以Pt片为对电极,饱和甘汞电极(SCE)为参比电极,工作电极为表面滴涂有铜酸稀土电催化材料的ITO电极;测试仪器为PARSTAT 2273电化学工作站;测试溶液为1mol/L的KOH。
采用滴涂法制备工作电极,具体工艺如下:称取0.04g的FeOOH包覆铜酸镝纳米催化粉体,置于小玻璃瓶中,加入500ml乙醇,500ml去离子水和30μl质量分数为5%的杜邦溶液,将上述混合物超声20min以上形成催化剂溶液。以ITO为电极时,需要先将ITO依次使用丙酮,乙醇和去离子水清洗,再向ITO导电面底涂20μl上述催化剂溶液,于干燥箱中以60℃烘干1h,待测。
测试参数:LSV测试时扫描速率5mV/s。
图3为本发明实施例3制备得到的FeOOH包覆铜酸镝荧光、催化粉体的析氢曲线,图4为本发明实施例3制备得到的FeOOH包覆铜酸镝荧光、催化粉体的析氧曲线,如图所示:
图3为HER曲线,曲线向下弯曲的起始点代表还原产氢的起始电位,越小越好。弯曲的斜率代表还原速度与过电位的关系,越大越好。图4为OER曲线,曲线向上弯曲的起始点代表氧化产氢的起始电位,越小越好。弯曲的斜率代表还原速度与过电位的关系,越大越好。
对比例1
该对比例未在液氮中粉化、未加丁二酮肟
(1)将4mmol硝酸铁溶解于12mmol去离子水中,800r/min磁力搅拌10min,加入一定量的盐酸,调整溶液pH值为5,将溶液放入烘箱中在70℃下加热2h,得到溶液A;
(2)按照Dy2Cu2O5中Cu与Dy的化学计量比称取1mmo硝酸铜和1mmol硝酸镝,溶于去离子水中,去离子水的体积用量为硝酸铜和硝酸镝总摩尔质量的4倍,混合均匀,得到溶液B;
(3)在溶液B中加入3mmol乙腈,在60℃下加热并搅拌2h,用移液枪加入浓度为1mol/L的碱液5ml(溶质为三乙胺,溶剂为乙醇),600r/min磁力搅拌10min,制备成溶液C。
(4)将溶液C放进烘箱,在130℃的温度条件下,恒温反应3小时后,空气中冷却至室温;待溶液体系稳定后,将所得混合溶液进行过滤,所得固体用水洗涤3次,得到片状晶体D。
(5)将粉体D加入到溶液A中,600r/min磁力搅拌20min,用喷雾器进行喷雾造粒,80℃的温度条件下,烘箱烘干1.5h,制备出本专利需要的纳米粉体。
图5为本发明对比例1制备得到的FeOOH包覆铜酸镝荧光、催化粉体的扫描电镜图,如图所示,本对比例条件下制备的粉体块体较大,分散性不好图6为本实施例制备粉体的在272nm激发下的发射光谱,从图6可以看出,该粉体在487nm和577nm处的发射峰强度降低,荧光性能不好。
Claims (8)
1.一种FeOOH包覆铜酸镝荧光、催化粉体的制备方法,其特征在于,包括以下步骤:
(1)将一定量铁的可溶性盐溶解于去离子水中,搅拌均匀,加入一定量的盐酸,调整溶液pH值为4-6,将溶液放入烘箱中在60-90℃下加热2-3h,得到溶液A;
(2)按照Dy2Cu2O5中Cu与Dy的化学计量比称取Cu的可溶性盐和Dy的可溶性盐,溶于去离子水中,混合均匀,得到溶液B;
(3)在溶液B中加入一定量的乙腈和一定量的丁二酮肟,将溶液于60~90℃加热并搅拌2~3h,用移液枪加入5-10mL浓度为1mol/L的碱液,搅拌直至溶解,制备成溶液C;
(4)将溶液C放进烘箱,在120℃-150℃的温度条件下,恒温反应3-6小时后,空气中冷却至室温;待溶液体系稳定后,将所得混合溶液进行过滤,所得固体用水洗涤2-4次,得到片状晶体,将得到的晶体放入液氮中进行粉化,将得到的粉体D取出;
(5)将粉体D加入到溶液A中,搅拌均匀,搅拌时间为20-30min,用喷雾器进行喷雾造粒,60-90℃的温度条件下,烘箱烘干1-2h,制备出纳米粉体。
2.根据权利要求1所述的一种FeOOH包覆铜酸镝荧光、催化粉体的制备方法,其特征在于,步骤(1)中所述的铁的可溶性盐可以为氯化铁、硝酸铁或醋酸铁。
3.根据权利要求1所述的FeOOH包覆铜酸镝荧光、催化粉体的制备方法,其特征在于:步骤(1)中铁的可溶性盐的用量为铜的可溶性盐和镝的可溶性盐总摩尔量的1~2倍,去离子水的体积用量为铜的可溶性盐和镝的可溶性盐总摩尔量的4~6倍。
4.根据权利要求1所述的FeOOH包覆铜酸镝荧光、催化粉体的制备方法,其特征在于:步骤(1)(3)(5)中所述的搅拌条件为机械搅拌或磁力搅拌,转子转数为500~1000r/min。
5.根据权利要求1所述的FeOOH包覆铜酸镝荧光、催化粉体的制备方法,其特征在于:步骤(2)中所述的铜的可溶性盐可以为氯化铜、硝酸铜或醋酸铜,镝的可溶性盐可以为氯化镝、硝酸镝或醋酸镝。
6.根据权利要求1所述的FeOOH包覆铜酸镝荧光、催化粉体的制备方法,其特征在于:步骤(3)中所述乙腈的用量为铜盐摩尔量的3-4倍、丁二酮肟用量为铜盐摩尔量的1-2倍。
7.根据权利要求1所述的FeOOH包覆铜酸镝荧光、催化粉体的制备方法,其特征在于:步骤(3)中碱液的溶质为三乙胺,溶剂为乙醇。
8.根据权利要求1所述的FeOOH包覆铜酸镝荧光、催化粉体的应用,其特征在于:所述粉体可作为荧光材料,还可用于电催化水解产氢、产氧。
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