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

Colors and Magnetism

Colors and Magnetism

Color in Coordination Complexes
When atoms or molecules absorb light at the proper frequency, their electrons are excited to higher-energy orbitals. For many main group atoms and molecules, the absorbed photons are in the ultraviolet range of the electromagnetic spectrum, which cannot be detected by the human eye. For coordination compounds, the energy difference between the d orbitals often allows photons in the visible range to be absorbed and emitted, which is seen as colors by the human...

Complexometric Titration: Overview

Complexometric Titration: Overview

Complexometric titration involves the formation of a complex by reacting a metal ion with one or more ligands. A visual indicator often detects the end point of a complexometric titration. It is added to the metal solution before the titration, forming a stable metal–indicator complex and imparting color to the solution. As the titration approaches the equivalence point, the excess of the added ligand displaces the indicator from the metal–indicator complex, releasing the free...

You might also read

Related Articles

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

Sort by

Same author

Application of a 1-(2-aryl)dicyclohexylphosphonium tetrafluoroborate ligand in the conjugated synthesis of heteroaryl biphenyls.

Organic & biomolecular chemistry·2026

Same author

A Nomogram Prediction Model and Scoring System for Resistance in Acute Myeloid Leukemia Patients Treated with Venetoclax Combined with Hypomethylating Agents.

Current oncology (Toronto, Ont.)·2026

Same author

Enhanced peroxidase-like activity of L-glutamic acid-coated Fe<sub>3</sub>O<sub>4</sub> quantum dots for colorimetric detection of L-cysteine in serum and milk.

Analytical sciences : the international journal of the Japan Society for Analytical Chemistry·2026

Same author

Ternary layered double hydroxide CuFeCo-LDH activation peroxydisulfate for enhancing degradation of tetracycline hydrochloride: Synergistic degradation, mechanism, and detoxification pathways.

Environmental research·2026

Same author

A high-frequency silicon-graphene-germanium barristor.

Nature communications·2026

Same author

CTPS1 modulates mitophagy to propel diffuse large B-cell lymphoma via reshaping CEPT1-mediated phospholipid metabolism.

Redox biology·2026

Search research articles

Related Experiment Video

Updated: Apr 3, 2026

Synthesis, Characterization, and Functionalization of Hybrid Au/CdS and Au/ZnS Core/Shell Nanoparticles

Synthesis, Characterization, and Functionalization of Hybrid Au/CdS and Au/ZnS Core/Shell Nanoparticles

Published on: March 2, 2016

A novel carbazole-based gold(I) complex with interesting solid-state, multistimuli-responsive characteristics.

Zhao Chen¹, Jinhua Liang, Yuting Nie

¹Key Laboratory of Pesticide and Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, Wuhan 430079, PR China. yinj@mail.ccnu.edu.cn chshliu@mail.ccnu.edu.cn.

Dalton Transactions (Cambridge, England : 2003)

|September 25, 2015

Summary

Researchers developed a new gold(i) complex with carbazole units. This luminogen exhibits reversible mechanochromism, thermochromism, and vapochromism, with crystal structures offering insights into its properties.

More Related Videos

Synthesis of Gold Nanoparticle Integrated Photo-responsive Liposomes and Measurement of Their Microbubble Cavitation upon Pulse Laser Excitation

Synthesis of Gold Nanoparticle Integrated Photo-responsive Liposomes and Measurement of Their Microbubble Cavitation upon Pulse Laser Excitation

Published on: February 24, 2016

A Method for Selecting Structure-switching Aptamers Applied to a Colorimetric Gold Nanoparticle Assay

A Method for Selecting Structure-switching Aptamers Applied to a Colorimetric Gold Nanoparticle Assay

Published on: February 28, 2015

Related Experiment Videos

Last Updated: Apr 3, 2026

Synthesis, Characterization, and Functionalization of Hybrid Au/CdS and Au/ZnS Core/Shell Nanoparticles

Synthesis, Characterization, and Functionalization of Hybrid Au/CdS and Au/ZnS Core/Shell Nanoparticles

Published on: March 2, 2016

Synthesis of Gold Nanoparticle Integrated Photo-responsive Liposomes and Measurement of Their Microbubble Cavitation upon Pulse Laser Excitation

Synthesis of Gold Nanoparticle Integrated Photo-responsive Liposomes and Measurement of Their Microbubble Cavitation upon Pulse Laser Excitation

Published on: February 24, 2016

A Method for Selecting Structure-switching Aptamers Applied to a Colorimetric Gold Nanoparticle Assay

A Method for Selecting Structure-switching Aptamers Applied to a Colorimetric Gold Nanoparticle Assay

Published on: February 28, 2015

Area of Science:

Materials Science
Inorganic Chemistry
Photochemistry

Background:

Carbazole derivatives are widely explored for their optoelectronic properties.
Gold(I) complexes are known for their luminescence and potential applications.
Mechanochromism, thermochromism, and vapochromism are stimuli-responsive phenomena with growing interest.

Purpose of the Study:

To design and synthesize a novel carbazole-based mononuclear gold(I) complex.
To investigate the solid-state mechanochromism, thermochromism, and vapochromism of the synthesized complex.
To explore the crystalline structures that may underpin the observed responsive properties.

Main Methods:

Synthesis of a carbazole-based mononuclear gold(I) complex.
Characterization of the complex using spectroscopic and analytical techniques.
Investigation of mechanochromic, thermochromic, and vapochromic behaviors.
Single-crystal X-ray diffraction analysis to determine crystal structures.

Main Results:

A new carbazole-based mononuclear gold(I) complex was successfully synthesized.
The luminogen demonstrated significant solid-state reversible mechanochromism.
Dual-responsive thermochromism and sensitive thin-film vapochromism were observed.
Two distinct crystalline forms of the luminogen were obtained and characterized.

Conclusions:

The synthesized gold(I) complex exhibits remarkable multi-responsive chromic properties.
The observed phenomena are potentially linked to the different crystal packing arrangements.
This study presents a promising material for advanced sensor and display applications.