Unlock Exclusive Discounts & Flash Sales! Click Here to Join the Deals on Every Wednesday!

0
Inquiry Basket

There is no product in the shopping cart.

Study of Reaction of coordination compounds by Flash Photolysis (CAT#: STEM-ST-0313-WXH)

Introduction

Reversible bond cleavage triggered by laser flash impulse is a typical pattern of the reaction of coordination compounds studied with LFP technique. Pulsed laser techniques are mainly well-suited for the investigation of the kinetics of ligand binding in respect of both energy required to vacate the coordination site on central ion as well as the time-resolution of the detection system, correlated with the flash-length.<br />Unsaturated transition metal complexes make a group of particular interest as they exemplify intermediates in a variety of chemical reactions. Application of LFP enables the formation of such compounds and determination of their binding abilities.

Add to Cart Please Inquire


Principle Applications Procedure Materials Notes Related Products

Principle

Flash photolysis is a pump-probe laboratory technique, in which a sample is first excited by a strong pulse of light from a pulsed laser of nanosecond, picosecond, or femtosecond pulse width or by another short-pulse light source such as a flash lamp. This first strong pulse is called the pump pulse and starts a chemical reaction or leads to an increased population for energy levels other than the ground state within a sample of atoms or molecules. Typically the absorption of light by the sample is recorded within short time intervals (by a so-called test or probe pulses) to monitor relaxation or reaction processes initiated by the pump pulse.

Applications

Used to study light-induced processes in organic molecules, polymers, nanoparticles, semiconductors, photosynthesis in plants, signaling, and light-induced conformational changes in biological systems.

Procedure

The process of laser flash photolysis can be divided into three steps: absorption, excitation and decomposition.
First, when the laser beam hits the surface of the material, the photons will be absorbed by the material, making the material molecules or atoms in an excited state.
Then, the material molecules or atoms in the excited state will transition to a lower energy level state through spontaneous emission or excitation by external photons.
Finally, the molecules or atoms of matter will release energy during the transition process, which will break down into smaller molecules or atoms.

Materials

Flash Photolysis Spectrometer
Privacy Policy | Cookie Policy | Copyright © 2024 STEMart. All Rights Reserved.