传感器新元素:纳米材料的实际应用

时间: 2025-01-16
作者: 百灵威
分享:
传感器新元素:纳米材料的实际应用-百灵威

    传感器是能把被测量转化为输出信号的装置,广泛应用各领域。

    在传感器里,纳米材料作用突出。敏感元件上,氧化锌等金属氧化物、碳纳米管、石墨烯用于气体检测,靠大比表面积与电学特性吸附气体改变电阻;氧化锌、纳米二氧化钛依湿度影响电学性能测湿度;石墨烯、量子点用于生物检测,前者结合生物分子、后者靠荧光标记来实现,应用于医学等领域。信号转换时,纳米氧化锌受外力将机械能转电能测压力振动,碳纳米管 - 聚合物复合材料把温度差转电信号制成温度传感器。

产品列表

一、 碳化物

品名 CAS 货号
Titanium carbonitride, 99%, trace metal basis, 1 - 2 μm
碳氮化钛
12654-86-3 591723
Titanium carbide, 97%, reagent grade, nano-ceramic powders
碳化钛
12070-08-5 9073444
Vanadium(IV) carbide, 99.9%, ≤3 μm, metal basis
碳化钒(IV)
12070-10-9 402541
Titanium carbonitride, 99%, trace metal basis, 1 - 2 μm
碳氮化钛
12654-86-3 591723
Silicon carbide, 97%, reagent grade, nano-ceramic powders
碳化硅
409-21-2 915860

二、 碳纳米管

品名 CAS 货号
Carbon nanotubes, multi-walled, carboxylic acid functionalized, 90%, reagent grade, outer diam.: 10 - 20 nm, length: <30 μm
碳纳米管, 多壁式, 羧基官能化
308068-56-6 937005
Carbon nanotubes, multi-walled, carboxylic acid functionalized, 95%, reagent grade, inner diam.: 3 - 5 nm, outer diam.: 8 - 15 nm, length: 50 μm
碳纳米管, 多壁式, 羧酸官能化
308068-56-6 954310
Carbon nanotubes, single-walled, 95%, reagent grade, diam.: <2 nm, length: 5 - 30 μm, SSA: 1075 m2/g
碳纳米管, 单壁式
308068-56-6 998429

三、 石墨烯

品名 CAS 货号
Graphene, 98%, reagent grade, thickness: 0.55 - 3.74 nm, diam.: 0.5-3μm, layers: <10
石墨烯
1034343-98-0 966627
Graphene, 98%, reagent grade, thickness: 1 - 3 nm, layers: <3, size: >50 μm
石墨烯
1034343-98-0 953031
Graphene oxide, 99%, reagent grade, thickness: 0.55 - 1.2 nm, diam.: 0.5 - 3 μm, layers: <3
氧化石墨烯
1034343-98-0 934143
Graphene, 98%, reagent grade, thickness: 0.55 - 3.74 nm, diam.: 0.5-3μm, layers: <10
石墨烯
1034343-98-0 966627
Reduced graphene oxide, ≥98 wt%
还原型氧化石墨烯
1034343-98-0 940986
Nitrogen doped graphene, 98%, SSA: 100 - 300 m2/g, layers:≤3
氮掺杂石墨烯
1034343-98-0 900324
氮掺杂石墨烯海绵(泡沫,气凝胶) 尺寸:直径~1cm 高~2.5cm
氮掺杂石墨烯海绵(泡沫,气凝胶) 尺寸:直径~1cm 高~2.5cm
7440-44-0 102817
硼掺杂石墨烯量子点溶液 浓度:10mg/ml 溶剂:水
硼掺杂石墨烯量子点溶液 浓度:10mg/ml 溶剂:水
7440-44-0 103877
硼掺杂石墨烯海绵(泡沫、气凝胶) 尺寸:直径~1cm 高~2cm
硼掺杂石墨烯海绵(泡沫、气凝胶) 尺寸:直径~1cm 高~2cm
7440-44-0 103015
硫掺杂石墨烯海绵(气凝胶) 尺寸:直径~1cm,高~2cm
硫掺杂石墨烯海绵(气凝胶) 尺寸:直径~1cm,高~2cm
7440-44-0 102600

四、 金属氧化物

品名 CAS 货号
Zinc oxide, 99.99%, trace metals basis
氧化锌
1314-13-2 955126
Zinc oxide nanopowder, 99.5%, particle size: 10 - 30 nm, SSA: ≥110 m²/g
纳米氧化锌
1314-13-2 987552
Nano zinc oxide aqueous solution, 20 mg/mL, ZnO particle size: 4 - 10 nm
纳米氧化锌水溶液
1314-13-2 900389
Zinc oxide paste, 30wt.% solution in ethylene glycol/MeOH(1:1), ZnO particle size: 4-10 nm
氧化锌浆料
1314-13-2 961949
Titanium(IV) oxide nanopowder, 99.9%, anatase, particle size: 10 - 25 nm, SSA: 30 m²/g
纳米二氧化钛(IV)
13463-67-7 931313
Mesoporous TiO2 microspheres, diam:600-2500 nm,SSA:80-157 m2/g,pore size: 4.0-12 nm,pore volume:0.2-0.56 cm3/g
介孔二氧化钛亚微米球
/ 2748683
Titanium(IV) oxide nanopowder, 99%, particle size: 20 nm, SSA: 30 m²/g
纳米二氧化钛(IV)
13463-67-7 945209
SnO2 Nanoparticles, 6-10nm, 5% in H2O colloidal dispersion, prime grade
优级纳米二氧化锡
18282-10-5 911321
Tin(IV) oxide, 3 - 6 nm, 2.5% organic solvent dispersion
二氧化锡(IV)
18282-10-5 926676
Tin(IV) oxide, 99.5%, 30 - 80 nm
二氧化锡(IV)
18282-10-5 139476
Aluminum oxide nanopowder, 99.9%, alpha, particle size: <100 nm, SSA: 15 - 20 m2/g
纳米氧化铝
1344-28-1 961601
Magnesium oxide nanopowder, 99.9%, particle size: <60 nm, SSA: 40 m2/g
纳米氧化镁
1309-48-4 961354
Manganese dioxide nanopowder, 99.9%, particle size: <80 nm
纳米二氧化锰
1313-13-9 909230
Nickel oxide, 99%, particle size: 4-8nm, 2.5wt.% in n-hexanol colloidal dispersion
氧化镍
/ 113317
Zirconium(IV) oxide, 99%, particle size <0.045 mm
氧化锆(IV)
1314-23-4 993529
Zirconium(IV) oxide, 99.9%, trace metal basis, 200 nm
氧化锆(IV)
1314-23-4 919448

五、 量子点材料

品名 CAS 货号
Graphene quantum dots, 1 mg/mL dispersion in water, fluorescence: λem 520 nm
石墨烯量子点
1034343-98-0 998621
Graphene oxide, 99%, reagent grade, thickness: 0.55 - 1.2 nm, diam.: 0.5 - 3 μm, layers: <3
氧化石墨烯
1034343-98-0 934143
Graphene quantum dots, 1 mg/mL dispersion in water, fluorescence: λem 520 nm
石墨烯量子点
1034343-98-0 998621
Hydroxy functional graphene quantum dots, 1 mg/mL dispersion in water, fluorescence: λem 420 nm
羟基化石墨烯量子点
1034343-98-0 980868
Carboxyl functional graphene quantum dots, 1 mg/mL dispersion in water, fluorescence: λem 487 nm
羧基化石墨烯量子点
1034343-98-0 909651
Cadmium sulfide/Zinc sulfide core/shell quantum dots with Amine in water Emission peak: 400 nm FWHM <35nm QY>50%
硫化镉/硫化锌核/壳量子点
/ 48-1658
Cadmium sulfide/Zinc sulfide core/shell quantum dots with PEG in water Emission peak: 400 nm FWHM <35nm QY>50%
硫化镉/硫化锌核/壳量子点
/ 48-1644
Cadmium sulfide/Zinc sulfide core/shell quantum dots with carboxylic acid in water Emission peak: 400 nm FWHM <35nm QY>50%
水中含羧酸的硫化镉/硫化锌核/壳量子点, 发射峰: 400nm FWHM<35nm QY>50%
/ 48-1630
CdTe碲化镉量子点定制 溶剂水,mpa修饰,发射600±10nm
CdTe碲化镉量子点定制 溶剂水,mpa修饰,发射600±10nm
927198-36-5 104219
CdTe碲化镉量子点定制 溶剂水,发黄光,氨基修饰
CdTe碲化镉量子点定制 溶剂水,发黄光,氨基修饰
927198-36-5 103798
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