CN110252377A - 一种三氧化二铁氮化碳异质结光催化剂及其制备方法 - Google Patents
一种三氧化二铁氮化碳异质结光催化剂及其制备方法 Download PDFInfo
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- DQMUQFUTDWISTM-UHFFFAOYSA-N O.[O-2].[Fe+2].[Fe+2].[O-2] Chemical compound O.[O-2].[Fe+2].[Fe+2].[O-2] DQMUQFUTDWISTM-UHFFFAOYSA-N 0.000 title claims abstract description 37
- 239000011941 photocatalyst Substances 0.000 title claims abstract description 32
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910052742 iron Inorganic materials 0.000 claims abstract description 6
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- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 21
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- AOPCKOPZYFFEDA-UHFFFAOYSA-N nickel(2+);dinitrate;hexahydrate Chemical compound O.O.O.O.O.O.[Ni+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O AOPCKOPZYFFEDA-UHFFFAOYSA-N 0.000 claims description 9
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- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 abstract description 5
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 abstract description 5
- 239000002957 persistent organic pollutant Substances 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 3
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- 238000001027 hydrothermal synthesis Methods 0.000 abstract description 2
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- RBTBFTRPCNLSDE-UHFFFAOYSA-N 3,7-bis(dimethylamino)phenothiazin-5-ium Chemical compound C1=CC(N(C)C)=CC2=[S+]C3=CC(N(C)C)=CC=C3N=C21 RBTBFTRPCNLSDE-UHFFFAOYSA-N 0.000 abstract 1
- XQAXGZLFSSPBMK-UHFFFAOYSA-M [7-(dimethylamino)phenothiazin-3-ylidene]-dimethylazanium;chloride;trihydrate Chemical compound O.O.O.[Cl-].C1=CC(=[N+](C)C)C=C2SC3=CC(N(C)C)=CC=C3N=C21 XQAXGZLFSSPBMK-UHFFFAOYSA-M 0.000 description 12
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- LAIZPRYFQUWUBN-UHFFFAOYSA-L nickel chloride hexahydrate Chemical compound O.O.O.O.O.O.[Cl-].[Cl-].[Ni+2] LAIZPRYFQUWUBN-UHFFFAOYSA-L 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
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- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
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- SGHAALHPYURIFF-UHFFFAOYSA-N [C+4].[O-2].[O-2].[O-2].[Fe+2].[Fe+2] Chemical compound [C+4].[O-2].[O-2].[O-2].[Fe+2].[Fe+2] SGHAALHPYURIFF-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
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- PYWVYCXTNDRMGF-UHFFFAOYSA-N rhodamine B Chemical compound [Cl-].C=12C=CC(=[N+](CC)CC)C=C2OC2=CC(N(CC)CC)=CC=C2C=1C1=CC=CC=C1C(O)=O PYWVYCXTNDRMGF-UHFFFAOYSA-N 0.000 description 1
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- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/24—Nitrogen compounds
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- B01J35/00—Catalysts, in general, characterised by their form or physical properties
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Abstract
一种三氧化二铁氮化碳异质结光催化剂及其制备方法,所述的氮化碳为片层状结构,三氧化二铁为球状颗粒结构,三氧化二铁附载在氮化碳片层上。本发明通过一步水热法合成氮化碳三氧化二铁异质结光催化剂,操作简单,成本低,耗能少。通过调节铁离子与镍离子总摩尔量,合成一系列g‑C3N4/Fe2O3光催化剂。最佳参数条件下,可见光降解有机污染物(亚甲基蓝)的降解率达到93.39%。
Description
技术领域
本发明涉及纳米材料制备领域,尤其涉及一种三氧化二铁氮化碳异质结光催化剂及其制备方法。
背景技术
现如今,许多产业的发展伴随着有机污染物的不达标排放,导致水体污染,危害人们健康。例如:化工厂、染料厂、选矿厂等。半导体光催化技术具有绿色、高效、成本低廉等优点倍受科研人员青睐。其中石墨相氮化碳(g-C3N4)拥有稳定的物理化学性能、良好的中等电子能带(2.7eV)、无毒廉价等优点,是一种极具发展潜力的光催化材料。然而当前合成的氮化碳普遍存在可见光响应范围窄、光生电子空穴对易于复合等问题。因此,通过复合金属氧化物的方式构筑三氧化二铁氮化碳异质结,增加反应活性位点,可以有效提高光生载流子传输效率,促进光生电子-空穴对的分离,进而增强光催化活性。
目前,中国专利公开号CN 104888837 A采用焙烧研制出了三氧化二铁复合氮化碳光催化剂,对罗丹明B光催化降解效果显著,中国专利公开号CN105289692 A公布了焙烧法制备g-C3N4/Fe2O3复合材料,对高氯酸铵(AP)的热分解表现出良好的催化效果。但通过焙烧方法制备g-C3N4/Fe2O3过程相对复杂,成本高,耗能严重。
发明内容
本发明的目的是提供一种三氧化二铁氮化碳异质结光催化剂及其制备方法,使氮化碳异质结光催化剂具有优异的可见光光催化性能。
为了达到上述目的,本发明采用以下技术方案实现:
一种三氧化二铁氮化碳异质结光催化剂,所述的氮化碳为片层状结构,三氧化二铁为球状颗粒结构,三氧化二铁附载在氮化碳片层上。
一种三氧化二铁氮化碳异质结光催化剂的制备方法,包括如下步骤:
1)称量十二胺质量为0.15-0.25g,将其溶解于18-22mL去离子水中,加入三口烧瓶中,开始搅拌;
2)称量正丁醇体积为13-17mL,加入三口烧瓶中;
3)配制六水合硝酸镍和四水氯化亚铁的混合物,六水合硝酸镍和四水氯化亚铁混合物中Fe+2+Ni+2=15mmol,12mmol,9mmol,6mmol,3mmol;mol(Fe+2)/mol(Ni+2)=2/1-1/3;待到十二胺完全溶解于正丁醇中,得到微乳状液体后,加入配制好的六水合硝酸镍和四水氯化亚铁混合物;
4)加入0.44-0.48g的g-C3N4固体粉末;
5)当固体完全溶解后,加入氨水调节pH值为2-4.5,将液体混合物置于50ml的反应釜中;
6)将反应釜置于烘箱中,水热晶化反应20-26h,将产物离心、洗涤、60-80℃烘干即得到氮化碳三氧化二铁异质结光催化剂。
与现有技术相比,本发明的有益效果是:
本发明通过一步水热法合成氮化碳三氧化二铁异质结光催化剂,操作简单,成本低,耗能少。通过调节铁离子与镍离子总摩尔量,合成一系列g-C3N4/Fe2O3光催化剂。最佳参数条件下,可见光降解有机污染物(亚甲基蓝)的降解率达到93.39%。
附图说明
图1为氮化碳三氧化二铁异质结光催化剂SEM图(摩尔比Fe+2:Ni+2=1/3,Fe+2+Ni+2=3 mmol)。
图2为氮化碳三氧化二铁异质结光催化剂SEM图(摩尔比Fe+2:Ni+2=1/3,Fe+2+Ni+2=6 mmol)。
图3为氮化碳三氧化二铁异质结光催化剂SEM图(摩尔比Fe+2:Ni+2=1/3,Fe+2+Ni+2=9 mmol)。
图4为氮化碳三氧化二铁异质结光催化剂SEM图(摩尔比Fe+2:Ni+2=1/3,Fe+2+Ni+2=12 mmol)。
图5为氮化碳三氧化二铁异质结光催化剂SEM图(摩尔比Fe+2:Ni+2=1/3,Fe+2+Ni+2=15 mmol)。
图6为所合成Fe2O3/g-C3N4 XRD图。
图7为氮化碳三氧化二铁异质结光催化剂产物对有机物亚甲基蓝的降解曲线。
具体实施方式
下面结合实施例对本发明的具体实施方式作进一步说明:
一种三氧化二铁氮化碳异质结光催化剂,所述的氮化碳为片层状结构,三氧化二铁为球状颗粒结构,三氧化二铁附载在氮化碳片层上。
一种三氧化二铁氮化碳异质结光催化剂的制备方法,包括如下步骤:
本实验所用试剂均为分析纯级别,无需进一步提纯;
1)称量十二胺质量为0.15-0.25g,将其溶解于18-22mL去离子水中,加入三口烧瓶中,开始搅拌;
2)称量正丁醇体积为13-17mL,加入三口烧瓶中;
3)配制六水合硝酸镍和四水氯化亚铁的混合物,六水合硝酸镍和四水氯化亚铁混合物中Fe+2+Ni+2=15mmol,12mmol,9mmol,6mmol,3mmol;mol(Fe+2)/ mol(Ni+2)=2/1-1/3;待到十二胺完全溶解于正丁醇中,得到微乳状液体后,加入配制好的六水合硝酸镍和四水氯化亚铁混合物;
4)加入0.44-0.48g的g-C3N4固体粉末;
5)当固体完全溶解后,加入氨水调节pH值为2-4.5,将液体混合物置于50ml的反应釜中;
6)将反应釜置于烘箱中,水热晶化反应20-26h,将产物离心、洗涤、60-80℃烘干即得到氮化碳三氧化二铁异质结光催化剂。
实施例1:
一种氮化碳三氧化二铁异质结光催化剂的制备方法,具体操作步骤如下:
本实验所用试剂均为分析纯级别,无需进一步提纯。
1)称量十二胺质量为0.2g,将其溶解于20mL去离子水中,加入三口烧瓶中,开始搅拌。
2)称量正丁醇体积为15mL,加入三口烧瓶中。
3)称量0.597g六水合氯化镍和2.1393g四水氯化亚铁(摩尔比Fe+2:Ni+2=1/3, Fe+2+Ni+2=12mmol),待到十二胺完全溶解于正丁醇中,得到微乳状液体后,加入六水合硝酸镍和四水氯化亚铁。
4)当固体完全溶解后,加入0.46g的g-C3N4固体粉末,加入一定量的氨水调节pH 值为4.5,将液体置于50ml的反应釜中。
5)将反应釜置于烘箱中,水热晶化反应20h,将产物离心、洗涤(水洗两次,醇洗一次)、烘干即可得到氮化碳三氧化二铁异质结光催化剂。
实施例2-5:
一种氮化碳三氧化二铁异质结光催化剂的制备方法,具体操作步骤如实施例1,不同之处在于:在六水合氯化镍和四水氯化亚铁混合物中,铁与镍离子摩尔数之和分别为Fe2++Ni2+=15mmol,9mmol,6mmol,3mmol。在前驱液pH值为4.5条件下得到不同形貌的氮化碳三氧化二铁异质结光催化剂。
取实施例1-5中获得的氮化碳异质结光催化剂作为降解有机污染物的应用,在可见光照射下氮化碳异质结光催化剂对亚甲基蓝(MB)的降解效果来评价氮化碳异质结的光催化性能。具体操作步骤如下:
取实施例1-5制备的氮化碳异质结光催化剂各20mg,将其放入50mL浓度为10-5mol/L的亚甲基蓝(MB)溶液。在阴暗处搅拌1h达到吸附平衡,然后将其放在可见灯下照射。在同等条件下设置一组不加催化剂的对比样,考察光照条件MB的自降解程度。
见图1-图5,氮化碳三氧化二铁异质结光催化剂镍铁摩尔比Fe+2:Ni+2=1:3,氮化碳为(0.46g),可以发现Fe+2+Ni+2=12mmol时合成的光催化剂片层表面比较光滑平整,颗粒均匀分散在片层之间,颗粒尺寸基本在30-50nm之间。
图6显示了三氧化二铁与氮化碳特征峰,三氧化二铁特征峰与卡片PDF-24-0072吻合,氮化碳特征峰与卡片(JCPDS 87-1526)吻合。如图所示,Fe+2+Ni+2=12mmol时合成的光催化剂峰形尖锐,说明结晶性良好,与SEM图表征结果一致。
见图7,Fe+2+Ni+2=12mmol时合成的光催化剂吸附性及光催化性能最佳,经过40min 对亚甲基蓝的吸附率达到57.06%,光催化5h后,对亚甲基蓝的降解率达到93.39%。
经过相同的降解时间,光照后氮化碳三氧化二铁异质结光催化剂的降解效果明显。在可见光照射5h后,最佳条件下光催化剂(12mmol)对MB的降解率为93.39%。然而,对照组MB的降解率仅为4.83%,说明MB的降解主要为光催化氧化作用。
以上通过具体实施方式和范例性实施例对本发明进行了详细说明,不过这些说明并不对本发明的保护范围构成任何限制。在不偏离本发明精神和保护范围的情况下,本领域技术人员可以对本发明及其实施方式进行多种改进、等价替换或修饰,但这些均应落入本发明的保护范围内。
Claims (2)
1.一种三氧化二铁氮化碳异质结光催化剂,其特征在于,所述的氮化碳为片层状结构,三氧化二铁为球状颗粒结构,三氧化二铁附载在氮化碳片层上。
2.一种如权利要求1所述的三氧化二铁氮化碳异质结光催化剂的制备方法,其特征在于,包括如下步骤:
1)称量十二胺质量为0.15-0.25g,将其溶解于18-22mL去离子水中,加入三口烧瓶中,开始搅拌;
2)称量正丁醇体积为13-17mL,加入三口烧瓶中;
3)配制六水合硝酸镍和四水氯化亚铁的混合物,六水合硝酸镍和四水氯化亚铁混合物中Fe+2+Ni+2=15mmol,12mmol,9mmol,6mmol,3mmol;mol(Fe+2)/mol(Ni+2)=2/1-1/3;待到十二胺完全溶解于正丁醇中,得到微乳状液体后,加入配制好的六水合硝酸镍和四水氯化亚铁混合物;
4)加入0.44-0.48g的g-C3N4固体粉末;
5)当固体完全溶解后,加入氨水调节pH值为2-4.5,将液体混合物置于50ml的反应釜中;
6)将反应釜置于烘箱中,水热晶化反应20-26h,将产物离心、洗涤、60-80℃烘干即得到氮化碳三氧化二铁异质结光催化剂。
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110721689A (zh) * | 2019-11-12 | 2020-01-24 | 江苏师范大学 | 一种多孔球状NiO/TiO2异质结构纳米材料及其制备方法 |
CN113649003A (zh) * | 2021-08-27 | 2021-11-16 | 陕西科技大学 | 一种离子改性的赤泥基异质结光催化剂及其制备方法和应用 |
CN114873957A (zh) * | 2022-05-10 | 2022-08-09 | 福建工程学院 | 一种耐水抗菌的环保渣土砖及其制备方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110282666A (zh) * | 2019-07-22 | 2019-09-27 | 辽宁科技大学 | 一种镍铁水滑石及其制备方法和应用 |
-
2019
- 2019-07-03 CN CN201910595217.4A patent/CN110252377A/zh active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110282666A (zh) * | 2019-07-22 | 2019-09-27 | 辽宁科技大学 | 一种镍铁水滑石及其制备方法和应用 |
Non-Patent Citations (3)
Title |
---|
刘红烨: ""基于BiOI和g-C3N4异质结光催化剂的制备及其降解典型有机污染物的性能研究"", 《中国优秀博硕士学位论文全文数据库(硕士)工程科技Ⅰ辑》 * |
朱传高等: ""由铁醇盐配合物制备纳米Fe2O3"", 《中北大学学报(自然科学版)》 * |
王彦骐等: ""一步水热法制备铁掺杂钛酸纳米管对砷的同步吸附和光催化"", 《应用基础与工程科学学报》 * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110721689A (zh) * | 2019-11-12 | 2020-01-24 | 江苏师范大学 | 一种多孔球状NiO/TiO2异质结构纳米材料及其制备方法 |
CN113649003A (zh) * | 2021-08-27 | 2021-11-16 | 陕西科技大学 | 一种离子改性的赤泥基异质结光催化剂及其制备方法和应用 |
CN114873957A (zh) * | 2022-05-10 | 2022-08-09 | 福建工程学院 | 一种耐水抗菌的环保渣土砖及其制备方法 |
CN114873957B (zh) * | 2022-05-10 | 2023-04-07 | 福建工程学院 | 一种耐水抗菌的环保渣土砖及其制备方法 |
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