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

Gas Chromatography: Types of Detectors-II

Gas Chromatography: Types of Detectors-II

In gas chromatography, different detectors are employed to meet specific analytical needs. These detectors are often categorized based on their detection mechanisms and the types of compounds they are best suited to analyze. Thermal Conductivity Detectors (TCD), Flame Ionization Detectors (FID), and Electron Capture Detectors (ECD) represent common categories, each with unique operating principles and applications. However, beyond these, several other detectors are designed for more specialized...

Photoluminescence: Applications

Photoluminescence: Applications

Photoluminescence offers a wide range of applications due to its inherent sensitivity and selectivity. This technique allows for both direct and indirect analyses of the analyte. Direct quantitative analysis is possible when the analyte exhibits a favorable quantum yield for fluorescence or phosphorescence. However, an indirect analysis may be feasible if the analyte is not fluorescent or phosphorescent, or if the quantum yield is unfavorable. Indirect methods include reacting the analyte with...

Gas Chromatography: Types of Detectors-I

Gas Chromatography: Types of Detectors-I

There are different types of detectors used in gas chromatography, each with its own specific properties that make it suitable for detecting certain types of analytes. The most commonly used detectors in GC are thermal conductivity detector (TCD), flame ionization detector (FID), and electron capture detector (ECD).
TCD is the earliest and most widely used detector that operates by measuring the changes in the thermal conductivity of the carrier gas. When a sample compound enters the detector,...

Flame Photometry: Lab

Flame Photometry: Lab

In a flame photometer, when a solution like potassium chloride is aspirated into the flame, the solvent evaporates, leaving behind dehydrated salt. This salt dissociates into free gaseous atoms in their ground state. Some of these atoms absorb energy from the flame, leading to their excitation. The excited atoms return to the ground state, emitting photons at characteristic wavelengths. Because only electronic transitions are involved, the resulting emission lines are very narrow. The intensity...

You might also read

Related Articles

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

Sort by

Same author

Outcome of Intra-Abdominal Drainage after Open Appendectomy for Complicated Appendicitis: A Randomized Controlled Study.

Mymensingh medical journal : MMJ·2025

Same author

Fluorescence tunable carbon dots for <i>in vitro</i> nuclear dynamics and gastrointestinal imaging in live zebrafish and their <i>in vivo</i> toxicity evaluation by cardio-craniofacial disfunction assessment.

Nanoscale·2025

Same author

Magnetite interaction with arsenic during sorptive removal from groundwater: a mechanistic study.

Journal of environmental science and health. Part A, Toxic/hazardous substances & environmental engineering·2023

Same author

Solvated electron-induced synthesis of cyclodextrin-coated Pd nanoparticles: mechanistic, catalytic, and anticancer studies.

Dalton transactions (Cambridge, England : 2003)·2023

Same author

An insight into the sequestration of tetra and hexavalent actinides by tri ethoxysilyl-amino-propyl-3-oxa-glutaramic acid (SAPOGA) functionalized titania.

Physical chemistry chemical physics : PCCP·2022

Same author

Antiviral Activity of Zinc Oxide Nanoparticles and Tetrapods Against the Hepatitis E and Hepatitis C Viruses.

Frontiers in microbiology·2022

Search research articles

Related Experiment Video

Updated: Jun 9, 2026

Solution-Processed, Surface-Engineered, Polycrystalline CdSe-SnSe Exhibiting Low Thermal Conductivity

Solution-Processed, Surface-Engineered, Polycrystalline CdSe-SnSe Exhibiting Low Thermal Conductivity

Published on: May 17, 2024

Room temperature ppb level Cl2 sensing using sulphonated copper phthalocyanine films.

Arvind Kumar¹, A Singh, A K Debnath

¹Thin Films and Devices Section, Technical Physics Division, Bhabha Atomic Research Center, Mumbai 400 085, India.

|August 31, 2010

Summary

Sulphonated copper phthalocyanine (CuTsPc) films exhibit selective room temperature gas sensing for chlorine (Cl2). Irreversible responses at higher concentrations are due to chemical bond formation and oxidation of the CuTsPc film.

More Related Videos

Low-energy Cathodoluminescence for (Oxy)Nitride Phosphors

Low-energy Cathodoluminescence for (Oxy)Nitride Phosphors

Published on: November 15, 2016

Quantifying the Binding Interactions Between Cu(II) and Peptide Residues in the Presence and Absence of Chromophores

Quantifying the Binding Interactions Between Cu(II) and Peptide Residues in the Presence and Absence of Chromophores

Published on: April 5, 2022

Related Experiment Videos

Last Updated: Jun 9, 2026

Solution-Processed, Surface-Engineered, Polycrystalline CdSe-SnSe Exhibiting Low Thermal Conductivity

Solution-Processed, Surface-Engineered, Polycrystalline CdSe-SnSe Exhibiting Low Thermal Conductivity

Published on: May 17, 2024

Low-energy Cathodoluminescence for (Oxy)Nitride Phosphors

Low-energy Cathodoluminescence for (Oxy)Nitride Phosphors

Published on: November 15, 2016

Quantifying the Binding Interactions Between Cu(II) and Peptide Residues in the Presence and Absence of Chromophores

Quantifying the Binding Interactions Between Cu(II) and Peptide Residues in the Presence and Absence of Chromophores

Published on: April 5, 2022

Area of Science:

Materials Science
Chemical Sensing
Nanotechnology

Background:

Chemiresistive gas sensors are crucial for environmental monitoring and industrial safety.
Copper phthalocyanine (CuPc) derivatives are promising materials for gas sensing applications.
Sulphonated CuPc (CuTsPc) offers potential for enhanced selectivity and sensitivity.

Purpose of the Study:

To investigate the room temperature chemiresistive gas sensing properties of drop-casted CuTsPc films.
To determine the selectivity and sensitivity of CuTsPc films towards chlorine gas (Cl2).
To elucidate the mechanism behind the sensor's response and potential limitations.

Main Methods:

Drop casting of sulphonated copper phthalocyanine (CuTsPc) to form thin films.
Chemiresistive gas sensing measurements at room temperature.
X-ray photoelectron spectroscopy (XPS) and Fourier transform infrared (FTIR) analysis.

Main Results:

CuTsPc films demonstrated high selectivity for Cl2 gas at room temperature.
Linear sensitivity ranging from 65% to 625% was observed for Cl2 concentrations between 5 and 2000 ppb.
Irreversible sensor response at concentrations >= 2000 ppb was attributed to chemical bond formation.
XPS and FTIR data confirmed the oxidation of the SO3Na group by Cl2 gas.

Conclusions:

CuTsPc films are effective room temperature chemiresistive sensors for Cl2.
The sensor's performance is limited at high Cl2 concentrations due to irreversible chemical reactions.
Understanding the degradation mechanism is key for developing robust Cl2 gas sensors.