Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Adsorption of Gases on Solids

Adsorption of Gases on Solids

Adsorption is a process where molecules, known as the adsorbates, accumulate on a surface, which is referred to as the adsorbent or substrate. Occurring at the solid-gas interface, this phenomenon is crucial in various scientific and industrial contexts. The reverse of adsorption is desorption.Two types of adsorptions exist: physical (physisorption) and chemical (chemisorption). Physisorption involves gas molecules held to the solid's surface by relatively weak intermolecular van der Waals...

Two Components: Liquid–Liquid Systems

Two Components: Liquid–Liquid Systems

A pressure-composition phase diagram explicitly describes the behavior of an ideal solution of two volatile liquids under varying pressures and compositions. A pressure-composition diagram has two main curves. The bubble point curve represents the plot of pressure versus liquid mole fraction. It indicates the pressure at which the first bubble of vapor forms from the liquid phase as the system pressure decreases.The dew point curve is the pressure versus vapor mole fraction. It indicates the...

Real Gases: Effects of Intermolecular Forces and Molecular Volume Deriving Van der Waals Equation

Real Gases: Effects of Intermolecular Forces and Molecular Volume Deriving Van der Waals Equation

Thus far, the ideal gas law, PV = nRT, has been applied to a variety of different types of problems, ranging from reaction stoichiometry and empirical and molecular formula problems to determining the density and molar mass of a gas. However, the behavior of a gas is often non-ideal, meaning that the observed relationships between its pressure, volume, and temperature are not accurately described by the gas laws.

Atomic Absorption Spectroscopy: Atomization Methods

Atomic Absorption Spectroscopy: Atomization Methods

Atomic Absorption Spectroscopy (AAS) atomizes samples through flame atomization or electrothermal atomization. Flame atomization typically involves a nebulizer and spray chamber assembly to combine the sample with a fuel–oxidant mixture, creating a fine aerosol mist that enters a burner. Typically, the fuel and oxidant are combined in an approximately stoichiometric ratio. However, for atoms that are easily oxidized, a fuel-rich mixture may be more advantageous. Only about 5% of the aerosol...

Molecular Comparison of Gases, Liquids, and Solids

Molecular Comparison of Gases, Liquids, and Solids

Particles in a solid are tightly packed together (fixed shape) and often arranged in a regular pattern; in a liquid, they are close together with no regular arrangement (no fixed shape); in a gas, they are far apart with no regular arrangement (no fixed shape). Particles in a solid vibrate about fixed positions (cannot flow) and do not generally move in relation to one another; in a liquid, they move past each other (can flow) but remain in essentially constant contact; in a gas, they move...

Kinetic Molecular Theory and Gas Laws Explain Properties of Gas Molecules

Kinetic Molecular Theory and Gas Laws Explain Properties of Gas Molecules

The test of the kinetic molecular theory (KMT) and its postulates is its ability to explain and describe the behavior of a gas. The various gas laws (Boyle’s, Charles’s, Gay-Lussac’s, Avogadro’s, and Dalton’s laws) can be derived from the assumptions of the KMT, which have led chemists to believe that the assumptions of the theory accurately represent the properties of gas molecules.

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Novel Optical Parametric Oscillator Design for High-Power, High-Resolution, Frequency-Stable, CW Infrared Spectroscopic Applications.

The journal of physical chemistry. A·2025

Same author

Two-dimensional (<i>P</i>/<i>T</i>) studies of secondary/tertiary conformational dynamics in nucleic acids: pressure induced melting and Maxwell relations at the single molecule level.

Physical chemistry chemical physics : PCCP·2025

Same author

A New Spectroscopic Probe of Nonequilibrium Dynamics at Gas-Condensed Phase Interfaces.

The journal of physical chemistry letters·2025

Same author

Thermodynamic compensation to temperature extremes in B. subtilis vs T. maritima lysine riboswitches.

Biophysical journal·2024

Same author

High-resolution infrared spectroscopy of jet cooled cyclobutyl in the α-CH stretch region: large-amplitude puckering dynamics in a 4-membered ring radical.

Physical chemistry chemical physics : PCCP·2024

Same author

Ergodicity breaking in rapidly rotating C<sub>60</sub> fullerenes.

Science (New York, N.Y.)·2023

Search research articles

Related Experiment Video

Updated: Jul 2, 2026

An Analog Macroscopic Technique for Studying Molecular Hydrodynamic Processes in Dense Gases and Liquids

An Analog Macroscopic Technique for Studying Molecular Hydrodynamic Processes in Dense Gases and Liquids

Published on: December 4, 2017

Correlated angular and quantum state-resolved CO2 scattering dynamics at the gas-liquid interface.

Bradford G Perkins¹, David J Nesbitt

¹JILA, University of Colorado and National Institute of Standards and Technology, and Department of Chemistry and Biochemistry, University of Colorado, Boulder, Colorado 80309-0440, USA.

The Journal of Physical Chemistry. A

|September 5, 2008

Summary

Molecular beam scattering reveals how carbon dioxide (CO2) interacts with liquid perfluoropolyether (PFPE). Trapping-desorption and impulsive scattering dynamics were analyzed, showing angle-dependent scattering patterns and rotational excitation.

More Related Videos

Confocal Imaging of Confined Quiescent and Flowing Colloid-polymer Mixtures

Confocal Imaging of Confined Quiescent and Flowing Colloid-polymer Mixtures

Published on: May 20, 2014

In situ FTIR Spectroscopy as a Tool for Investigation of Gas/Solid Interaction: Water-Enhanced CO2 Adsorption in UiO-66 Metal-Organic Framework

In situ FTIR Spectroscopy as a Tool for Investigation of Gas/Solid Interaction: Water-Enhanced CO₂ Adsorption in UiO-66 Metal-Organic Framework

Published on: February 1, 2020

Related Experiment Videos

Last Updated: Jul 2, 2026

An Analog Macroscopic Technique for Studying Molecular Hydrodynamic Processes in Dense Gases and Liquids

An Analog Macroscopic Technique for Studying Molecular Hydrodynamic Processes in Dense Gases and Liquids

Published on: December 4, 2017

Confocal Imaging of Confined Quiescent and Flowing Colloid-polymer Mixtures

Confocal Imaging of Confined Quiescent and Flowing Colloid-polymer Mixtures

Published on: May 20, 2014

In situ FTIR Spectroscopy as a Tool for Investigation of Gas/Solid Interaction: Water-Enhanced CO2 Adsorption in UiO-66 Metal-Organic Framework

In situ FTIR Spectroscopy as a Tool for Investigation of Gas/Solid Interaction: Water-Enhanced CO₂ Adsorption in UiO-66 Metal-Organic Framework

Published on: February 1, 2020

Area of Science:

Chemical Physics
Surface Science
Gas-Liquid Interface Dynamics

Background:

Investigating molecular beam scattering dynamics at gas-liquid interfaces is crucial for understanding chemical reactions and energy transfer.
Carbon dioxide (CO2) interactions with fluorinated surfaces, like perfluoropolyether (PFPE), are relevant in various industrial and environmental contexts.

Purpose of the Study:

To investigate the molecular beam scattering dynamics of CO2 impinging on a liquid PFPE surface.
To characterize the quantum state (vibrational, rotational) populations of scattered CO2 as a function of incident and scattering angles.
To elucidate the contributions of trapping-desorption (TD) and impulsive scattering (IS) mechanisms to the overall scattering dynamics.

Main Methods:

Utilized molecular beam scattering techniques to study CO2 (incident energy E(inc) = 10.6(8) kcal/mol) on liquid PFPE.
Measured quantum state populations (v, J) as a function of incident (θ(inc)) and scattering (θ(scat)) angles.
Applied a two-component Boltzmann model to analyze internal state distributions, distinguishing between TD and IS pathways.

Main Results:

Scattering dynamics were well-characterized by a two-component model (TD and IS) with distinct rotational temperatures.
At normal incidence, impulsive scattering followed a cos(n)(θ(scat)) distribution (n=1.0±0.2).
Glancing incidence angles led to forward-peaked lobular IS distributions, with increased rotational excitation correlating with higher angles of incidence.

Conclusions:

The study reveals angle-dependent scattering behavior and distinct mechanisms (TD vs. IS) governing CO2-PFPE interactions.
Surface roughness at the gas-liquid interface plays a significant role in rotational excitation during impulsive scattering.
The findings provide insights into gas-surface dynamics relevant to understanding interfacial phenomena.