Quantifying Small-Molecule Bond Activation by X-Ray Emission Spectroscopy (XES) (CAT#: STEM-ST-0292-WXH)

Introduction

The controlled activation of small molecules by transition metal catalysts is vital to countless chemical, biological, and industrial processes, including N2 reduction, water splitting, and hydrocarbon functionalization. Crucial to understanding the
mechanisms of these transition metal mediated reactions is the need to experimentally probe the process by which the metal “activates” (i.e., weakens) bonds in a small molecule substrate.

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Principle Applications Procedure Materials Notes Related Products

Principle

XES is an element-specific method primarily used to analyze the partially occupied electronic structure of materials. The technique is one of the photon-in-photon-out spectroscopies in which an incident X-ray photon is used to excite a core electron, which leads to the transition of the electron from the ground state to the excited state, and then the excited state of the electron decays with the emission of an X-ray photon in order to fill the core hole.

Applications

Used for the study of electronic structure and for the qualitative and quantitative analysis of substances.

Materials

• X-ray emission spectrometer
• X-ray generating equipment (X-ray tube)
• Collimators
• Monochromators
• X-ray detectors

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