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551643

Sigma-Aldrich

Aluminum oxide

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

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Synonym(s):
Alumina
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

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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).

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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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
Michele Tonelli et al.
ChemMedChem, 10(6), 1040-1053 (2015-05-01)
Multitarget therapeutic leads for Alzheimer's disease were designed on the models of compounds capable of maintaining or restoring cell protein homeostasis and of inhibiting β-amyloid (Aβ) oligomerization. Thirty-seven thioxanthen-9-one, xanthen-9-one, naphto- and anthraquinone derivatives were tested for the direct inhibition
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
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
Linda Önnby et al.
Chemosphere, 113, 151-157 (2014-07-30)
We have investigated the oxidation of inorganic As(III) with H2O2 catalysed by Al2O3, using X-ray absorption near-edge structure and extended X-ray absorption fine structure spectroscopy. The effects of different reaction conditions (pH, time and initial H2O2 concentration) were also studied
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