Skip to Content
Merck
All Photos(3)

Key Documents

View All Documentation

551643

Sigma-Aldrich

Aluminum oxide

nanowires, diam. × L 2-6 nm × 200-400 nm

Synonym(s):

Alumina

Sign Into View Organizational & Contract Pricing
All Photos(3)

About This Item

Linear Formula:
Al2O3
CAS Number:
1344-28-1
Molecular Weight:
101.96
EC Number:
215-691-6
MDL number:
MFCD00003424
UNSPSC Code:
12352311
eCl@ss:
38120402
PubChem Substance ID:
24879232
NACRES:
NA.23

form

nanowires

Quality Level

100

diam. × L

2-6 nm × 200-400 nm

mp

2040 °C (lit.)

SMILES string

O=[Al]O[Al]=O

InChI

1S/2Al.3O

InChI key

TWNQGVIAIRXVLR-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

General description

Aspect ratio estimated to be >100 based on TEM.

Application

  • Self-Assembly of Ionic Superdiscs in Nanopores.: This research explores the self-assembly of ionic superdiscs in nanopores enhanced by aluminum oxide, offering a new avenue for creating highly ordered nanostructures useful in energy storage and conversion technologies (Li et al., 2024).
  • Improved Fog Collection on a Hybrid Surface with Acylated Cellulose Coating.: Demonstrates the application of aluminum oxide in developing hybrid surfaces for enhanced fog collection, a technique that could be adapted for moisture management in battery and energy systems to improve operational stability and efficiency (Zhan et al., 2024).
  • Alumina - Stabilized SEI and CEI in Potassium Metal Batteries.: Research highlights the role of aluminum oxide in stabilizing solid electrolyte interphase (SEI) and cathode-electrolyte interface (CEI) layers in potassium metal batteries, crucial for enhancing the longevity and performance of next-generation batteries (Liu et al., 2024).
  • 3D-Printed Carbon Nanoneedle Electrodes for Dopamine Detection in Drosophila.: Utilizes aluminum oxide in 3D-printed carbon nanoneedle electrodes, offering significant improvements in the sensitivity and specificity of neurochemical detection, applicable in battery technology for biosensors and medical devices (Shao et al., 2024).

Storage Class Code

13 - Non Combustible Solids

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Customers Also Viewed

Slide 1 of 3

1 of 3

Aluminum oxide powder, ultra dry

Sigma-Aldrich

769290

Aluminum oxide

Nickel(II) oxide nanowires, diam. × L ~20 nm × 10 μm

Sigma-Aldrich

774545

Nickel(II) oxide

Aluminum oxide 99.997% trace metals basis

Sigma-Aldrich

202606

Aluminum oxide

G Siddiqi et al.
Dalton transactions (Cambridge, England : 2003), 44(32), 14349-14353 (2015-07-23)
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
Colin J Ingham et al.
Biotechnology advances, 30(5), 1089-1099 (2011-08-23)
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
Chien-Chih Lin et al.
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
Joohoon Kang et al.
ACS nano, 9(4), 3596-3604 (2015-03-19)
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
Yi Tian et al.
Journal of the American Chemical Society, 136(36), 12784-12793 (2014-08-19)
Organic neutral radicals have long fascinated chemists with a fundamental understanding of structure-reactivity relationships in organic reactions and with applications as new functional materials. However, the elusive nature of these radicals makes the synthesis, isolation, and characterization very challenging. In
View All Related Papers

Articles

Materials for Clean H2 Production from Bioethanol Reforming

Hydrogen is one of the most important resources in providing food, fuel, and chemical products for our everyday life. Sustainable catalytic hydrogen production from bioethanol has gained significant attention in recent years due to globally diminishing fossil fuel supplies, which have necessitated the search for new chemical feedstocks.

Energy Harvesting Using Lead Zirconium Titanate-Based Ceramic Nanowires

Among various ceramics, one-dimensional (1-D) piezoelectric ceramics have attracted significant scientific attention for use in energy harvesting.

Titania Nanotubes: Synthesis & Apps

TiO2 exhibits wide band gap semiconductor and memristor properties electronically, with high opacity and UV absorbance optically.

Titania Nanotubes: Synthesis & Apps

TiO2 exhibits wide band gap semiconductor and memristor properties electronically, with high opacity and UV absorbance optically.

See All

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service