Related Experiment Video
Updated: Feb 6, 2026
Epitaxial Growth of Perovskite Strontium Titanate on Germanium via Atomic Layer Deposition
Published on: July 26, 2016
Sonocatalysis of the magnetic recyclable layered perovskite oxides
Xiaoning Li1, Xiaofeng Yin2, Wen Gu2
1National Synchotron Radiation Laboratory, University of Science and Technology of China, Hefei 230026, PR China.
Abstract:
Sonocatalysis fascinates to utilize mechanical energy that universally exists in the environment. A big problem for the practical application of sonocatalysts is the incapability of recyclability, which is necessary for resource saving and secondary pollution control. In this work, Bi7Fe2.75Co0.25Ti3O21 was firstly explored as a new sonocatalyst with magnetic recyclability. The magnetic catalysts can be easily collected with a magnetic bar after sonocatalytic reactions, and the structure and efficiency were kept after being recycled. Since the mechanism of sonocatalysis under ultrasonic vibration is still not fully understood, experiments including samples with different polarization and morphology, under different frequencies and intensities of ultrasonic radiation were conducted. The results suggested that the sonocatalytic efficiency was in proportion to polarization instead of morphology and a possible mechanism of squeezed model was proposed.
Related Concept Videos
03:14Oxidation Numbers
00:58Recycling Endosomes and Transcytosis
The recycling endosome is not a single organelle but an extensively tubulated network of recycling pathways. It functions in storing molecules or transporting them across...
01:15Pyruvate Oxidation
First, the enzyme pyruvate dehydrogenase removes the carboxyl group from pyruvate and releases it as carbon dioxide. The stripped molecule is then oxidized and releases electrons, which are then picked up by NAD+...
03:11Oxidation-Reduction Reactions
01:21Layers of the Epidermis
Stratum Basale
Stratum basale, also known as the stratum germinativum, is the deepest layer of the epidermis. It is composed of a single layer of actively dividing cells called basal cells or basal keratinocytes. These cells constantly undergo cell division to replenish the upper layers of the epidermis. Additionally, melanocytes, which...
03:02Colors and Magnetism
When atoms or molecules absorb light at the proper frequency, their electrons are excited to higher-energy orbitals. For many main group atoms and molecules, the absorbed photons are in the ultraviolet range of the electromagnetic spectrum, which cannot be detected by the human eye. For coordination compounds, the energy difference between the d orbitals often allows photons in the visible range to be absorbed and emitted, which is seen as colors by the human...