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702129

Sigma-Aldrich

氧化铝

nanoparticles, <50 nm particle size (DLS), 20 wt. % in isopropanol

同義詞:

氧化铝

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About This Item

線性公式:
Al2O3
CAS號碼:
1344-28-1
分子量：:
101.96
MDL號碼:
MFCD00003424
分類程式碼代碼:
12352311
eCl@ss:
38120402
PubChem物質ID:
329762346
NACRES:
NA.23

形狀

dispersion
nanoparticles

品質等級

100

濃度

20 wt. % in isopropanol

粒徑

<50 nm (DLS)

pH值

8-10

密度

0.79 g/cm3 at 25 °C

SMILES 字串

O=[Al]O[Al]=O

InChI

1S/2Al.3O

InChI 密鑰

TWNQGVIAIRXVLR-UHFFFAOYSA-N

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相關類別

一般說明

纳米氧化铝又称纳米铝或Al2O3 纳米粒子，是一种粒径小、比表面积大的氧化铝形式。我们的氧化铝纳米颗粒的粒径小于 50 nm。这种纳米颗粒可悬浮在异丙醇 (IPA) 中，方便分散和使用。纳米氧化铝具有独特的生物物理化学特性，包括高表面积、高硬度、热稳定性和生物相容性。 在催化领域，它可作为有效的催化剂载体，提高反应速率和选择性。它们还表现出卓越的介电性能，在电子和光电设备领域很有价值。此外，Al2O3 Np在生物医学应用中已展现出不凡效果，包括药物输送系统、生物医学成像、生物传感和组织工程。它们也是先进涂层、储能系统、环境修复、光电子、光子学和个人护理产品中的关键成分。

應用

  • Elemental analysis of levitated solid samples by microwave-assisted laser induced breakdown spectroscopy.：研究采用氧化铝增强激光诱导击穿光谱的元素分析能力，为分析化学提供新的高精密度化学分析(Alamri AM et al., 2024)。
  • An ab initio molecular dynamics investigation of the behaviour of amorphous substances in anodic aluminium oxide under electric field.：在分子水平上了解施加电场后无定形物质在阳极氧化铝结构中的行为，解析材料的稳定性和反应性(An Z et al., 2024)。
  • Alternative nano-lithographic tools for shell-isolated nanoparticle enhanced Raman spectroscopy substrates.：采用氧化铝开发先进的纳米光刻工具，极大提高拉曼光谱的化学检测和分析能力(Srivastava K et al., 2024)。
  • Unexpected early loosening of rectangular straight femoral Zweymüller stems with an alumina-reduced surface after total hip arthroplasty-a prospective, double-blind, randomized controlled trial.：研究在假体中采用氧化铝的临床意义，特别是它对髋关节置换术中股骨柄的长期性和稳定性的影响(Moret CS et al., 2024)。
  • Green Synthesis of Aluminum Oxide Nanoparticles Using Clerodendrum phlomidis and Their Antibacterial, Anti-inflammatory, and Antioxidant Activities.：研究氧化铝纳米颗粒的生物合成，它们因抗菌、抗炎和抗氧化活性而具有生物医学应用潜力(Thanaraj S et al., 2024)。

象形圖

FlameExclamation mark
GHS02,GHS07

訊號詞

Danger

危險聲明

H225,H319,H336

危險分類

Eye Irrit. 2 - Flam. Liq. 2 - STOT SE 3

標靶器官

Central nervous system

儲存類別代碼

3 - Flammable liquids

水污染物質分類（WGK）

WGK 1

閃點（°F）

53.6 °F - closed cup

閃點（°C）

12 °C - closed cup

個人防護裝備

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

從最近期的版本中選擇一個：

分析證明 (COA)

Lot/Batch Number
MKCQ4391
MKCL9556
MKCJ4233
MKCG7667
MKCD4677

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A simple one-step and gram-scale synthesis of [Au5Mes5] from AuCl3 was developed, and this molecular precursor was used to generate Au nanoparticles on SiO2 and Al2O3. While [Au5Mes5] does not react with surface silanols and is only physisorbed, its incipient
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Solution dispersions of two-dimensional (2D) black phosphorus (BP)--often referred to as phosphorene--are achieved by solvent exfoliation. These pristine, electronic-grade BP dispersions are produced with anhydrous organic solvents in a sealed-tip ultrasonication system, which circumvents BP degradation that would otherwise occur
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Nanoscale, 5(17), 8090-8097 (2013-07-25)
We demonstrated a promising route for enhancing temperature sensitivity, improving saturation voltage, and reducing power consumption of the MOS(p) tunneling temperature sensors by introducing ultrathin Al2O3 into the dielectric stacks. Detailed illustrations of the working mechanism and device concept are
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Proceedings of the National Academy of Sciences of the United States of America, 110(25), 10129-10134 (2013-06-01)
Glass formation in the CaO-Al2O3 system represents an important phenomenon because it does not contain typical network-forming cations. We have produced structural models of CaO-Al2O3 glasses using combined density functional theory-reverse Monte Carlo simulations and obtained structures that reproduce experiments
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Porous aluminum oxide (PAO) is a ceramic formed by an anodization process of pure aluminum that enables the controllable assembly of exceptionally dense and regular nanopores in a planar membrane. As a consequence, PAO has a high porosity, nanopores with
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Global Trade Item Number

庫存單位GTIN
702129-100G4061832820682
702129-500G4061832820699

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