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Updated: Jul 7, 2026

The Effect of Interfacial Chemical Bonding in TiO2-SiO2 Composites on Their Photocatalytic NOx Abatement Performance
11:47

The Effect of Interfacial Chemical Bonding in TiO2-SiO2 Composites on Their Photocatalytic NOx Abatement Performance

Published on: July 4, 2017

酸催化剂的振动结构. 一个光谱学和理论研究

G Ricchiardi1, A Damin, S Bordiga

  • 1Dipartimento di Chimica, IFM Università di Torino, Via P. Giuria 7, 10125 Turin, Italy. ricchiardi@ch.unito.it

Journal of the American Chemical Society
|November 15, 2001
PubMed
概括

这项研究揭示了氧化-1 (TS-1) 催化剂中的含量与特定振动带之间的直接相关性,有助于催化剂的表征. 发现吸附水可以减少关键振动模式的紫外线-拉曼增强.

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Applying Dynamic Strain on Thin Oxide Films Immobilized on a Pseudoelastic Nickel-Titanium Alloy09:35

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Crystal Field Theory - Octahedral Complexes02:58

Crystal Field Theory - Octahedral Complexes

Crystal Field Theory
To explain the observed behavior of transition metal complexes (such as colors), a model involving electrostatic interactions between the electrons from the ligands and the electrons in the unhybridized d orbitals of the central metal atom has been developed. This electrostatic model is crystal field theory (CFT). It helps to understand, interpret, and predict the colors, magnetic behavior, and some structures of coordination compounds of transition metals.
CFT focuses on...
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IR Spectroscopy: Molecular Vibration Overview

When Infrared (IR) radiation passes through a covalently bonded molecule, the bonds transition from lower to higher vibrational levels. The fundamental vibrational motions that result in infrared absorption can be classified as stretching or bending vibrations.
Stretching vibrations are vibrational motions that occur along the bond line, changing the bond length or distance between two bonded atoms. They are further distinguished as symmetric or asymmetric. In symmetric stretching, the...