Related Experiment Video

Updated: Mar 22, 2026

Author Spotlight: Advances in Nanoscale Infrared Spectroscopy to Explore Multiphase Polymeric Systems
06:54

Author Spotlight: Advances in Nanoscale Infrared Spectroscopy to Explore Multiphase Polymeric Systems

Published on: June 23, 2023

1.4K

Infrared spectroscopy of molecules with nanorod arrays: a numerical study

Clément Tardieu, Grégory Vincent, Riad Haïdar

    Optics Letters
    |April 16, 2016
    PubMed

    More Related Videos

    Construction and Operation of a Light-driven Gold Nanorod Rotary Motor System09:48

    Construction and Operation of a Light-driven Gold Nanorod Rotary Motor System

    Published on: June 30, 2018

    9.4K
    Characterizing Individual Protein Aggregates by Infrared Nanospectroscopy and Atomic Force Microscopy12:58

    Characterizing Individual Protein Aggregates by Infrared Nanospectroscopy and Atomic Force Microscopy

    Published on: September 12, 2019

    10.4K

    Related Concept Videos

    Infrared (IR) Spectroscopy: Overview01:09

    Infrared (IR) Spectroscopy: Overview

    When electromagnetic radiation passes through a material, atoms or molecules transition from a lower to a higher energy state by absorbing radiation corresponding to the energy difference between the two states. The absorption of infrared (IR) radiation causes transitions between vibrational energy levels in a molecule. Therefore, IR spectroscopy is a useful analytical tool for determining the molecular structure of molecules.
    Different compounds display unique properties due to their...
    7.0K
    IR Spectroscopy: Molecular Vibration Overview01:24

    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...
    5.9K
    IR Spectroscopy: Hooke's Law Approximation of Molecular Vibration01:16

    IR Spectroscopy: Hooke's Law Approximation of Molecular Vibration

    A covalently bonded heteronuclear diatomic molecule can be modeled as two vibrating masses connected by a spring. The vibrational frequency of the bond can be expressed using an equation derived from Hooke's law, which describes how the force applied to stretch or compress a spring is proportional to the displacement of the spring. In this case, the atoms behave like masses, and the bond acts like a spring.
    According to Hooke's law, the vibrational frequency is directly proportional to...
    3.5K
    IR Spectrometers01:25

    IR Spectrometers

    There are two main infrared (IR) spectrophotometers: dispersive IR spectrometers and Fourier transform infrared (FTIR) spectrometers. In a dispersive IR spectrometer, a beam of infrared radiation produced by a hot wire is divided into two parallel equal-intensity beams using mirrors. One beam passes through the sample, while another is a reference beam. The beams then move through the monochromator, which separates the radiations into a continuous spectrum of different frequencies. The...
    3.3K
    Applications of IR Spectroscopy: Overview01:11

    Applications of IR Spectroscopy: Overview

    The non-destructive nature and ability to provide valuable chemical information make IR spectroscopy a versatile technique with broad applications in various scientific and industrial fields. IR spectroscopy is commonly used to identify and characterize organic and inorganic compounds. It provides information about the functional groups present in a molecule and the bonding between atoms. This helps in the structural elucidation of compounds during organic synthesis, pharmaceutical research,...
    2.8K
    Raman Spectroscopy Instrumentation: Overview01:26

    Raman Spectroscopy Instrumentation: Overview

    A conventional Raman spectrophotometer includes a laser source, a sample holding system, a wavelength selector, and a detector.
    The monochromatic laser source, typically using visible or near-infrared radiation, generates a highly focused beam of light. This light interacts with the molecules of the sample, scattering some of the light. Liquid and gaseous samples are usually tested in ordinary glass capillaries, while solids can be analyzed as powders packed in capillaries or as potassium...
    1.7K