CN107115890A - 一种苝酰亚胺纳米带/银纳米粒子复合催化剂的制备方法 - Google Patents
一种苝酰亚胺纳米带/银纳米粒子复合催化剂的制备方法 Download PDFInfo
- Publication number
- CN107115890A CN107115890A CN201710490830.0A CN201710490830A CN107115890A CN 107115890 A CN107115890 A CN 107115890A CN 201710490830 A CN201710490830 A CN 201710490830A CN 107115890 A CN107115890 A CN 107115890A
- Authority
- CN
- China
- Prior art keywords
- nanobelt
- perylene
- composite catalyst
- reaction
- 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.)
- Granted
Links
- 239000003054 catalyst Substances 0.000 title claims abstract description 39
- 239000002127 nanobelt Substances 0.000 title claims abstract description 35
- 125000002080 perylenyl group Chemical group C1(=CC=C2C=CC=C3C4=CC=CC5=CC=CC(C1=C23)=C45)* 0.000 title claims abstract description 26
- CSHWQDPOILHKBI-UHFFFAOYSA-N peryrene Natural products C1=CC(C2=CC=CC=3C2=C2C=CC=3)=C3C2=CC=CC3=C1 CSHWQDPOILHKBI-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 239000002131 composite material Substances 0.000 title claims abstract description 24
- 229910052709 silver Inorganic materials 0.000 title claims abstract description 20
- 239000004332 silver Substances 0.000 title claims abstract description 20
- 239000002105 nanoparticle Substances 0.000 title claims abstract description 15
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 238000006243 chemical reaction Methods 0.000 claims abstract description 20
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910001961 silver nitrate Inorganic materials 0.000 claims abstract description 4
- KJOLVZJFMDVPGB-UHFFFAOYSA-N perylenediimide Chemical compound C=12C3=CC=C(C(NC4=O)=O)C2=C4C=CC=1C1=CC=C2C(=O)NC(=O)C4=CC=C3C1=C42 KJOLVZJFMDVPGB-UHFFFAOYSA-N 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 7
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 5
- 238000010992 reflux Methods 0.000 claims description 5
- 230000033228 biological regulation Effects 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 238000000967 suction filtration Methods 0.000 claims description 3
- 238000002604 ultrasonography Methods 0.000 claims description 3
- 239000003643 water by type Substances 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 2
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 claims description 2
- 229940043237 diethanolamine Drugs 0.000 claims description 2
- 238000004108 freeze drying Methods 0.000 claims description 2
- 238000011175 product filtration Methods 0.000 claims description 2
- 239000002994 raw material Substances 0.000 claims description 2
- 239000002253 acid Substances 0.000 claims 1
- 150000003949 imides Chemical class 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 150000002979 perylenes Chemical class 0.000 claims 1
- 238000006555 catalytic reaction Methods 0.000 abstract description 7
- BTJIUGUIPKRLHP-UHFFFAOYSA-N 4-nitrophenol Chemical compound OC1=CC=C([N+]([O-])=O)C=C1 BTJIUGUIPKRLHP-UHFFFAOYSA-N 0.000 abstract description 5
- 239000002114 nanocomposite Substances 0.000 abstract description 2
- FOIXSVOLVBLSDH-UHFFFAOYSA-N Silver ion Chemical compound [Ag+] FOIXSVOLVBLSDH-UHFFFAOYSA-N 0.000 abstract 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 21
- 230000003197 catalytic effect Effects 0.000 description 10
- 239000000243 solution Substances 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 4
- 229910000510 noble metal Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 3
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 3
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 229920002521 macromolecule Polymers 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- 229910000033 sodium borohydride Inorganic materials 0.000 description 2
- 239000012279 sodium borohydride Substances 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- -1 Perylene diimide class compound Chemical class 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000005839 oxidative dehydrogenation reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000001338 self-assembly Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
- B01J31/0234—Nitrogen-, phosphorus-, arsenic- or antimony-containing compounds
- B01J31/0235—Nitrogen containing compounds
- B01J31/0245—Nitrogen containing compounds being derivatives of carboxylic or carbonic acids
- B01J31/0247—Imides, amides or imidates (R-C=NR(OR))
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/40—Catalysts, in general, characterised by their form or physical properties characterised by dimensions, e.g. grain size
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Catalysts (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Abstract
本发明公开了一种苝酰亚胺纳米带/银纳米粒子复合催化剂的制备方法,其是将苝酰亚胺纳米带溶液与硝酸银溶液进行水浴反应,使银纳米粒子均匀分布在苝酰亚胺纳米带上,即获得复合催化剂。本发明所制备的苝酰亚胺纳米带/银纳米复合催化剂能够显著促进4‑硝基苯酚的催化,并具有良好的循环性。
Description
技术领域
本发明属于纳米材料改性技术领域,涉及一种新型纳米复合催化剂的制备方法,具体涉及一种苝酰亚胺纳米带/银纳米粒子复合催化剂的制备方法。
背景技术
贵金属由于优异的选择性、稳定性和高催化活性被广泛应用于催化领域。在石油化工领域,贵金属催化剂被用于加氢脱硫和氧化脱氢等多种反应,且均有不错的催化表现。在环境保护领域,汽车尾气的净化、有机物的催化燃烧、CO与NO的氧化反应等都可使用贵金属进行催化。银是一种广泛存在且价格低廉的贵金属,同时其对多数还原反应具有较高的催化活性,因此,以银为基础开发的催化剂应用广泛。
贵金属催化剂的尺寸和表面活性对其催化效率影响较大,当催化剂尺寸达到纳米级别后,催化剂暴露比表面积急剧增大,其对反应物的吸附量和吸附速度显著提高,同时,催化剂表面能提高,有利于其催化活性的改善。因此,将催化剂稳定在纳米尺寸将有利于提高其对反应物的吸附和增加其对反应的催化活性。高分子由于性能稳定、表面官能团丰富,通常被选作载体用于负载纳米银催化剂。
苝酰亚胺是一类重要的n型有机半导体,具有非常好的电荷传输性能,在有机光电领域具有很大的潜在应用。苝酰亚胺类化合物具有大的平面结构和π-π共轭的电子体系,使得整体分子相较于其他一些具有相同性质的有机分子在热稳定性、光稳定性和化学稳定性上有更突出的表现。在氨水存在下回流可诱导苝酰亚胺的自组装形成纳米带结构,它是一类重要的电子传输材料,相对于普通高分子基团,其具有较高的载流子迁移率。若以苝酰亚胺纳米带作为载体,不仅可以将银稳定在纳米尺度,还可以提高纳米银自身的催化活性。
发明内容
本发明所要解决的技术问题是提供一种稳定的苝酰亚胺纳米带/银纳米粒子复合催化剂的制备方法。
本发明解决技术问题,采用如下技术方案:
步骤1、以3,4,9,10-苝四甲酸二酐和浓氨水为原料,油浴条件下冷凝回流反应,获得苝酰亚胺纳米带;
步骤2、称取40~60mg苝酰亚胺纳米带和0.4~0.6g PVP置于三口烧瓶中,加入20~40mL去离子水并超声使其分散均匀,然后将三口烧瓶置于30℃水浴锅中,匀速缓慢搅拌;
步骤3、在步骤2所得溶液中滴加0.5~1mL 0.1mol/L的硝酸银溶液,并在滴加完成后反应3~6h,然后加入0.05~0.1g二乙醇胺,调节水浴温度至40~60℃,再恒温反应18~30h;反应结束后收集产品并抽滤成膜,即获得苝酰亚胺纳米带/银纳米粒子复合催化剂。
优选的,步骤1所述苝酰亚胺纳米带的具体制备方法如下:
称取10~30mg 3,4,9,10-苝四甲酸二酐置于三口烧瓶中,加入50~100mL浓氨水并混合均匀,再于100~140℃油浴锅中加热,冷凝回流反应,反应过程中匀速缓慢搅拌以防止瓶中液体暴沸,反应持续5~10h;反应完成后自然冷却,所得产物经离心清洗、冷冻干燥,即获得苝酰亚胺纳米带。
与已有技术相比,本发明的有益效果体现在:
本发明的复合催化剂以苝酰亚胺纳米带作为载体,将银稳定在纳米尺度,提高了纳米银自身的催化活性;本发明所制备的复合催化剂能够显著促进4-硝基苯酚的催化,并具有良好的循环性。
附图说明
图1为苝酰亚胺纳米带的透射电镜图。
图2为苝酰亚胺纳米带/银纳米粒子复合催化剂的透射电镜图。
图3为苝酰亚胺纳米带/银纳米粒子复合催化剂催化4-NP(4-硝基苯酚)的紫外-可见光谱图。
图4为苝酰亚胺纳米带/银纳米粒子复合催化剂膜反复7次催化4-NP的循环效果。
具体实施方式
下面结合附图和实施例对本发明作详细说明,本实施例在以本发明技术方案为前提下进行实施,给出了详细的实施方式和具体的操作过程,但本发明的保护范围不限于下述的实施例。
实施例1
本实施例按如下步骤合成苝酰亚胺纳米带:
称取20mg 3,4,9,10-苝四甲酸二酐置于250mL三口烧瓶中,用100mL量筒量取100mL浓氨水加入烧瓶中混合均匀,加入磁力搅拌子,于120℃油浴锅中加热,冷凝回流反应,调节磁子匀速缓慢搅拌以防止瓶中液体暴沸,反应持续6h;
反应完成后自然冷却,取出液体,用少量去离子水冲出烧瓶中残余样品,12000r/min离心40分钟后水洗两次,将下层固体倒入培养皿并置于冰箱中冻结,之后于冻干机中进行冻干处理,即获得苝酰亚胺纳米带。
图1为本实施例所得苝酰亚胺纳米带的透射电镜图,可以看出产物为纳米带结构,形貌均匀,长度都在几百纳米左右。
实施例2
本实施例按如下步骤制备苝酰亚胺纳米带/银纳米粒子复合催化剂:
(1)称取50mg实施例1所得苝酰亚胺纳米带和0.5g PVP(聚乙烯吡咯烷酮)置于100mL三口烧瓶中,加入30mL去离子水并超声使其分散均匀,然后将三口烧瓶置于30℃水浴锅中,加入磁子,调节转速使之匀速缓慢搅拌;
(2)在步骤(1)所得的溶液中滴加930μL 0.1mol/L的硝酸银溶液,并在滴加完成后反应反应4h,然后加入0.1g DEA,调节水温至45℃,再恒温反应24h;反应结束后收集产品并抽滤成膜,即获得苝酰亚胺纳米带/银纳米粒子复合催化剂。
图2为本实施例所得复合催化剂的透射电镜图,可以看出银已被还原成粒径较均匀的纳米粒子,并均匀的分布在苝酰亚胺纳米带上。
实施例3
取5mL 0.09mol/L新配制的硼氢化钠溶液,加入5mL 4-NP(10ppm),然后逐滴缓慢滴加在实施例2所得复合催化剂的膜上,复合催化剂膜材料置于布氏漏斗中,并且上下垫有滤纸以阻止催化剂泄露。用紫外分光光度计分别测试通过苝酰亚胺/银纳米粒子复合催化剂膜后的4-NP和NaBH4溶液,和未反应的原溶液的4-NP浓度,通过分光光度计测试4-NP吸收峰峰值的变化,以确定催化剂催化效果。
如图3所示,为苝酰亚胺纳米带/银纳米粒子复合催化剂循环催化4-NP的紫外-可见光谱图(其中,曲线0线表示5mL 4-NP(10ppm)和5mL 0.09mol/L NaBH4的混合溶液未通过复合催化剂膜的光谱图;曲线1线表示5mL 4-NP(10ppm)和5mL 0.09mol/L NaBH4的混合溶液通过复合催化剂膜的光谱图),可见本发明的复合催化剂有催化对硝基苯酚反应的优异的催化活性。
用同一张苝酰亚胺纳米带/银纳米粒子复合催化剂膜将上述实验重复7次,以测试膜的循环性。如图4所示,为苝酰亚胺纳米带/银纳米粒子催化剂膜反复7次催化对硝基苯酚反应的循环效果,可以发现在反复循环利用多次后,催化剂膜的催化活性没有出现降低的现象,反而稍微有些提高,这说明该催化剂具有很好的稳定性且可多次循环利用。
以上仅为本发明的较佳实施例而已,并不用以限制本发明,凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等,均应包含在本发明的保护范围之内。
Claims (2)
1.一种苝酰亚胺纳米带/银纳米粒子复合催化剂的制备方法,其特征在于,包括如下步骤:
步骤1、以3,4,9,10-苝四甲酸二酐和浓氨水为原料,油浴条件下冷凝回流反应,获得苝酰亚胺纳米带;
步骤2、称取40~60mg苝酰亚胺纳米带和0.4~0.6g PVP置于三口烧瓶中,加入20~40mL去离子水并超声使其分散均匀,然后将三口烧瓶置于30℃水浴锅中,匀速缓慢搅拌;
步骤3、在步骤2所得溶液中滴加0.5~1mL 0.1mol/L的硝酸银溶液,并在滴加完成后反应3~6h,然后加入0.05~0.1g二乙醇胺,调节水浴温度至40~60℃,再恒温反应18~30h;反应结束后收集产品并抽滤成膜,即获得苝酰亚胺纳米带/银纳米粒子复合催化剂。
2.根据权利要求1所述的制备方法,其特征在于:步骤1所述苝酰亚胺纳米带的具体制备方法如下:
称取10~30mg 3,4,9,10-苝四甲酸二酐置于三口烧瓶中,加入50~100mL浓氨水并混合均匀,再于100~140℃油浴锅中加热,冷凝回流反应,反应过程中匀速缓慢搅拌以防止瓶中液体暴沸,反应持续5~10h;反应完成后自然冷却,所得产物经离心清洗、冷冻干燥,即获得苝酰亚胺纳米带。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710490830.0A CN107115890B (zh) | 2017-06-23 | 2017-06-23 | 一种苝酰亚胺纳米带/银纳米粒子复合催化剂的制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710490830.0A CN107115890B (zh) | 2017-06-23 | 2017-06-23 | 一种苝酰亚胺纳米带/银纳米粒子复合催化剂的制备方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN107115890A true CN107115890A (zh) | 2017-09-01 |
CN107115890B CN107115890B (zh) | 2019-08-30 |
Family
ID=59719570
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710490830.0A Active CN107115890B (zh) | 2017-06-23 | 2017-06-23 | 一种苝酰亚胺纳米带/银纳米粒子复合催化剂的制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107115890B (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111001439A (zh) * | 2019-12-15 | 2020-04-14 | 苏州大学 | 一种苝酰亚胺及其复合光催化材料、制备方法与在去除水体有机污染物中的应用 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104383920A (zh) * | 2014-11-18 | 2015-03-04 | 安徽师范大学 | 一种MnOOH/Ag纳米复合材料的制备方法及其应用 |
CN105218547A (zh) * | 2015-09-23 | 2016-01-06 | 南京大学 | 一种利用一步法制备苝酰亚胺纳米纤维的方法 |
CN106349219A (zh) * | 2016-08-24 | 2017-01-25 | 信阳师范学院 | 一种萘酰亚胺的有机凝胶化合物及其制备方法、凝胶及应用 |
-
2017
- 2017-06-23 CN CN201710490830.0A patent/CN107115890B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104383920A (zh) * | 2014-11-18 | 2015-03-04 | 安徽师范大学 | 一种MnOOH/Ag纳米复合材料的制备方法及其应用 |
CN105218547A (zh) * | 2015-09-23 | 2016-01-06 | 南京大学 | 一种利用一步法制备苝酰亚胺纳米纤维的方法 |
CN106349219A (zh) * | 2016-08-24 | 2017-01-25 | 信阳师范学院 | 一种萘酰亚胺的有机凝胶化合物及其制备方法、凝胶及应用 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111001439A (zh) * | 2019-12-15 | 2020-04-14 | 苏州大学 | 一种苝酰亚胺及其复合光催化材料、制备方法与在去除水体有机污染物中的应用 |
WO2021120921A1 (zh) * | 2019-12-15 | 2021-06-24 | 苏州大学 | 一种苝酰亚胺及其复合光催化材料、制备方法与在去除水体有机污染物中的应用 |
CN111001439B (zh) * | 2019-12-15 | 2021-11-05 | 苏州大学 | 一种苝酰亚胺及其复合光催化材料、制备方法与在去除水体有机污染物中的应用 |
Also Published As
Publication number | Publication date |
---|---|
CN107115890B (zh) | 2019-08-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN104549361B (zh) | 一种具有拉曼增强活性的磁性贵金属催化剂及其制备方法 | |
Shahid et al. | Hybrid microgels for catalytic and photocatalytic removal of nitroarenes and organic dyes from aqueous medium: a review | |
Li et al. | A facile construction of Au nanoparticles stabilized by thermo-responsive polymer-tethered carbon dots for enhanced catalytic performance | |
CN102847533B (zh) | 微波法合成凹土/钯纳米复合材料催化剂的方法 | |
Jiang et al. | Improved stability and promoted activity of laccase by One-Pot encapsulation with Cu (PABA) nanoarchitectonics and its application for removal of Azo dyes | |
CN101862656A (zh) | 用于甲醛溶液催化制氢的负载型纳米铜磁性催化剂及其制备方法 | |
CN102491863A (zh) | 一种芳香族硝基化合物选择性加氢还原方法 | |
CN107376900A (zh) | 钼酸铋超薄纳米片光催化材料的制备方法及其应用 | |
WO2020221242A1 (zh) | 一种蒽醌化合物固定在无机填料表面的制备方法及应用 | |
CN106040307B (zh) | 一步水热法合成Fe3O4(PAA)@C-Au核壳结构微球的制备方法 | |
CN108355661A (zh) | 一种线状Cu-Ni合金纳米晶及其合成方法 | |
CN109317149A (zh) | 一种负载镍的SiO2@C核壳材料的制备方法及应用 | |
CN110540984A (zh) | 一种HRP/Co3O4@ZIF-8复合催化剂及其制备方法 | |
CN112495362B (zh) | 一种适用于一级酰胺化合物分子内脱水制备腈类的催化剂及其制备方法和应用 | |
CN107252695A (zh) | 钯基多巴胺包裹磁性碳纳米管催化剂及其制备方法及应用 | |
Rezaei et al. | Cu nanoparticles embedded in the porous organic polymer as highly effective catalysts for nitroaromatics reduction | |
CN106984312A (zh) | 一种复合型光催化剂及其制备方法 | |
CN108499529A (zh) | 活性焦负载纳米金催化剂及其制备方法和应用 | |
CN108927150A (zh) | 一种还原氧化石墨烯负载银纳米颗粒催化剂及制备方法和应用 | |
CN113433189A (zh) | 一种石墨炔/血红素复合材料及其制备方法和应用 | |
CN107115890A (zh) | 一种苝酰亚胺纳米带/银纳米粒子复合催化剂的制备方法 | |
CN105562106B (zh) | 一种磁性氧化石墨烯负载膦希夫碱钯催化剂及其制备方法和应用 | |
Wang et al. | An ultrasensitive label-free photoelectrochemical aptasensor based on terminal deoxynucleotidyl transferase amplification and catalytic reaction of G-quadruplex/hemin | |
Adeli et al. | Encapsulation of palladium nanoparticles by multiwall carbon nanotubes‐graft‐poly (citric acid) hybrid materials | |
Xia et al. | Au/montmorillonite/polyaniline nanoflakes: facile fabrication by self-assembly and application as catalyst |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |