Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Photochemical Electrocyclic Reactions: Stereochemistry01:26

Photochemical Electrocyclic Reactions: Stereochemistry

1.9K
The absorption of UV–visible light by conjugated systems causes the promotion of an electron from the ground state to the excited state. Consequently, photochemical electrocyclic reactions proceed via the excited-state HOMO rather than the ground-state HOMO. Since the ground- and excited-state HOMOs have different symmetries, the stereochemical outcome of electrocyclic reactions depends on the mode of activation; i.e., thermal or photochemical.
Selection Rules: Photochemical Activation
1.9K
Photoreceptors and Visual Pathways01:22

Photoreceptors and Visual Pathways

6.7K
At the molecular level, visual signals trigger transformations in photopigment molecules, resulting in changes in the photoreceptor cell's membrane potential. The photon's energy level is denoted by its wavelength, with each specific wavelength of visible light associated with a distinct color. The spectral range of visible light, classified as electromagnetic radiation, spans from 380 to 720 nm. Electromagnetic radiation wavelengths exceeding 720 nm fall under the infrared category,...
6.7K
Thermal and Photochemical Electrocyclic Reactions: Overview01:26

Thermal and Photochemical Electrocyclic Reactions: Overview

2.5K
Electrocyclic reactions are reversible reactions. They involve an intramolecular cyclization or ring-opening of a conjugated polyene. Shown below are two examples of electrocyclic reactions. In the first reaction, the formation of the cyclic product is favored. In contrast, in the second reaction, ring-opening is favored due to the high ring strain associated with cyclobutene formation.
2.5K
UV–Vis Spectroscopy of Conjugated Systems01:32

UV–Vis Spectroscopy of Conjugated Systems

7.5K
Organic compounds with conjugated double bonds show strong absorption features in the UV–visible region of the electromagnetic spectrum attributed to π → π* electronic excitations. Generally, a UV–vis absorption spectrum is recorded as a plot of absorbance vs wavelength. The wavelength of maximum absorbance, which manifests as a peak in the absorption spectrum, is denoted as λmax.
One of the factors influencing λmax is the extent...
7.5K

You might also read

Related Articles

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

Sort by
Same author

Synthesis and Degradation Behavior of Poly(glycerol sebacate)-Isophorone Diisocyanate Scaffolds Reinforced with Hydroxyapatite for Biomedical Applications.

Polymers·2026
Same author

How to choose between molecular cooperation and non-cooperation for spontaneous self-organized patterning?

Physical chemistry chemical physics : PCCP·2025
Same author

High-filler content electrospun fibers from biodegradable polymers and hydroxyapatite: Toward improved scaffolds for tissue engineering.

Polimery w medycynie·2024
Same author

A Modified Oxazolone Dye Dedicated to Spectroscopy and Optoelectronics.

The Journal of organic chemistry·2022
Same author

Multifunctional Oxazolone Derivative as an Optical Amplifier, Generator, and Modulator.

The journal of physical chemistry. B·2022
Same author

Perylene-Based Chromophore as a Versatile Dye for Light Amplification.

Materials (Basel, Switzerland)·2022

Related Experiment Video

Updated: Oct 11, 2025

Patterning via Optical Saturable Transitions - Fabrication and Characterization
08:19

Patterning via Optical Saturable Transitions - Fabrication and Characterization

Published on: December 11, 2014

7.0K

Compatible Photochromic Systems for Opto-electronic Applications.

Adam Szukalski1, Aleksandra Korbut2, Karolina Zieniewicz1

  • 1Faculty of Chemistry, Advanced Materials Engineering and Modelling Group, Wroclaw University of Science and Technology, Wybrzeze Wyspianskiego 27, Wroclaw 50370, Poland.

The Journal of Physical Chemistry. B
|December 6, 2021
PubMed
Summary

Researchers developed novel photoresponsive polymers for opto-electronic devices. These smart materials exhibit distinct nonlinear optical (NLO) responses, showing promise for advanced applications with high signal stability and repeatability.

More Related Videos

A 'Plug and Play' Method to Create Water-dispersible Nanoassemblies Containing an Amphiphilic Polymer, Organic Dyes and Upconverting Nanoparticles
12:51

A 'Plug and Play' Method to Create Water-dispersible Nanoassemblies Containing an Amphiphilic Polymer, Organic Dyes and Upconverting Nanoparticles

Published on: November 14, 2015

10.0K
An Electrochemical Cholesteric Liquid Crystalline Device for Quick and Low-Voltage Color Modulation
10:33

An Electrochemical Cholesteric Liquid Crystalline Device for Quick and Low-Voltage Color Modulation

Published on: February 27, 2019

8.6K

Related Experiment Videos

Last Updated: Oct 11, 2025

Patterning via Optical Saturable Transitions - Fabrication and Characterization
08:19

Patterning via Optical Saturable Transitions - Fabrication and Characterization

Published on: December 11, 2014

7.0K
A 'Plug and Play' Method to Create Water-dispersible Nanoassemblies Containing an Amphiphilic Polymer, Organic Dyes and Upconverting Nanoparticles
12:51

A 'Plug and Play' Method to Create Water-dispersible Nanoassemblies Containing an Amphiphilic Polymer, Organic Dyes and Upconverting Nanoparticles

Published on: November 14, 2015

10.0K
An Electrochemical Cholesteric Liquid Crystalline Device for Quick and Low-Voltage Color Modulation
10:33

An Electrochemical Cholesteric Liquid Crystalline Device for Quick and Low-Voltage Color Modulation

Published on: February 27, 2019

8.6K

Area of Science:

  • Materials Science and Engineering
  • Optoelectronics
  • Polymer Chemistry

Background:

  • Remote-controlled opto-electronic devices are increasingly vital in society, industry, and science.
  • There is a growing demand for smart, functional materials and accessories for these devices.
  • Photochromic materials offer tunable properties for advanced applications.

Purpose of the Study:

  • To design and synthesize novel photoresponsive polymers with distinct nonlinear optical (NLO) properties.
  • To investigate the NLO response of these polymers under varying laser light conditions.
  • To assess the suitability of these materials for opto-electronic device applications.

Main Methods:

  • Synthesis of two differently constructed photoresponsive polymers.
  • Characterization of nonlinear optical (NLO) response using laser light modulation.
  • Analysis of optical signal modulation, refractive index changes (Δn), and kinetic behavior.
  • Photoresponsive studies, reflectometry, and theoretical insights.

Main Results:

  • The synthesized polymers exhibited significantly different NLO responses and optical signal modulation.
  • Distinct NLO characteristics, including doubled Δn values (∼0.02 vs 0.04) and varied kinetics, were observed.
  • High repeatability and stability of the NLO output were achieved for both materials.

Conclusions:

  • The developed photoresponsive polymers demonstrate promising NLO properties for opto-electronic applications.
  • The materials show potential for use in smart appliances and advanced optical devices.
  • The tunable and stable NLO response makes them attractive candidates for future technological integration.