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

Gas Chromatography: Types of Detectors-II01:19

Gas Chromatography: Types of Detectors-II

521
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...
521
Gas Chromatography: Types of Detectors-I01:21

Gas Chromatography: Types of Detectors-I

630
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,...
630

You might also read

Related Articles

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

Sort by
Same author

CoNutriNet: a dual-branch architecture with DenseNet and graph-enhanced attention network for coffee nutrient deficiency classification.

Frontiers in plant science·2026
Same author

Pulsed Spray Pyrolysis for High-Quality Bismuth Ferrite Thin Films: Bi Content Enabled Tuning of Photoresponse, Ferroelectric Domains, and Charge Separation for Energy Harvesting Applications.

ACS omega·2026
Same author

An all-photonic isolator using atomically thin (2D) bismuth telluride (Bi<sub>2</sub>Te<sub>3</sub>).

Nanoscale·2026
Same author

Extraction of natural fibres from Agave fourcroydes leaves and multi-property evaluation for potential textile applications.

Scientific reports·2026
Same author

Nature-Inspired Photoresponsive Bionic Robots Using the Tellurium-MoS<sub>2</sub>-Graphene Hybrid Structure.

ACS applied materials & interfaces·2026
Same author

Data-Driven Approach toward the Quantification of Gases in a Complex Mixture Using a Non-Selective Single Metal Oxide Gas Sensor.

ACS sensors·2026
Same journal

Anion-Engineered Organic Electrochemical Transistors With Multi-Timescale Synaptic Dynamics for Task-Adaptive Spiking Neural Networks.

Small (Weinheim an der Bergstrasse, Germany)·2026
Same journal

Dimensional Effect on the Lattice Anharmonicity in Graphene and Graphite.

Small (Weinheim an der Bergstrasse, Germany)·2026
Same journal

A Modular Core-Shell Nanoparticle Platform for Dual-Modal MRI-Luminescence With High Relaxivity.

Small (Weinheim an der Bergstrasse, Germany)·2026
Same journal

Highly Selective Construction of D<sub>2</sub>-Symmetric Chiral Carbon Nanorings and the Diverse Assembly With Fullerenes.

Small (Weinheim an der Bergstrasse, Germany)·2026
Same journal

A Synergistic Process Optimization and Data-Driven Modeling Strategy for Unraveling and Enhancing the Low-Light Response in Back-Contact Solar Cells.

Small (Weinheim an der Bergstrasse, Germany)·2026
Same journal

Porous Hydrogel-Mediated One-Step Selection of Mannoprotein-Targeted Aptamers for Early Diagnosis of Invasive Saccharomyces cerevisiae Infections.

Small (Weinheim an der Bergstrasse, Germany)·2026
See all related articles

Related Experiment Video

Updated: Sep 18, 2025

A Standard and Reliable Method to Fabricate Two-Dimensional Nanoelectronics
07:12

A Standard and Reliable Method to Fabricate Two-Dimensional Nanoelectronics

Published on: August 28, 2018

9.8K

Native Oxide MoO₂- MoSe₂ Heterostructure-Based Self-Powered Gas Sensor for Selective NO₂ and H₂ Detection.

Dipanjana Mondal1, Deepak Sharma2, Karthik R3

  • 1School of Physics, Indian Institute of Science Education and Research, Thiruvananthapuram, 695551, India.

Small (Weinheim an Der Bergstrasse, Germany)
|June 23, 2025
PubMed
Summary
This summary is machine-generated.

This study introduces a novel method for creating metal-semiconductor heterostructures for self-powered gas sensors. These sensors show high sensitivity and selectivity for gases like hydrogen and nitrogen dioxide at room temperature.

Keywords:
MoO2‐MoSe2Schottky junctiongas sensorheterostructurelight‐activatedphotoresponseself‐powered

More Related Videos

Aerosol-assisted Chemical Vapor Deposition of Metal Oxide Structures: Zinc Oxide Rods
06:39

Aerosol-assisted Chemical Vapor Deposition of Metal Oxide Structures: Zinc Oxide Rods

Published on: September 14, 2017

13.3K
Infrared Degenerate Four-wave Mixing with Upconversion Detection for Quantitative Gas Sensing
10:42

Infrared Degenerate Four-wave Mixing with Upconversion Detection for Quantitative Gas Sensing

Published on: March 22, 2019

6.3K

Related Experiment Videos

Last Updated: Sep 18, 2025

A Standard and Reliable Method to Fabricate Two-Dimensional Nanoelectronics
07:12

A Standard and Reliable Method to Fabricate Two-Dimensional Nanoelectronics

Published on: August 28, 2018

9.8K
Aerosol-assisted Chemical Vapor Deposition of Metal Oxide Structures: Zinc Oxide Rods
06:39

Aerosol-assisted Chemical Vapor Deposition of Metal Oxide Structures: Zinc Oxide Rods

Published on: September 14, 2017

13.3K
Infrared Degenerate Four-wave Mixing with Upconversion Detection for Quantitative Gas Sensing
10:42

Infrared Degenerate Four-wave Mixing with Upconversion Detection for Quantitative Gas Sensing

Published on: March 22, 2019

6.3K

Area of Science:

  • Materials Science
  • Nanotechnology
  • Chemical Engineering

Background:

  • Developing efficient and self-powered gas sensors is crucial for environmental monitoring and safety.
  • Metal-semiconductor heterostructures offer unique properties for advanced sensing applications.

Purpose of the Study:

  • To synthesize native oxide MoO₂-MoSe₂ heterostructure flakes using a single-step chemical vapor deposition (CVD) method.
  • To investigate the gas sensing performance of these heterostructures for self-powered, room-temperature applications.

Main Methods:

  • Single-step chemical vapor deposition (CVD) for heterostructure synthesis.
  • Characterization using Raman, photoluminescence, AFM, XPS, UV-PES, TEM, and EDS.
  • Gas sensing measurements under visible light and varying humidity.

Main Results:

  • Two types of flakes (S1 and S2) with distinct compositions and interfaces were synthesized.
  • Sample S1 showed selective H₂ detection, while S2 exhibited broadband photoresponse and high NO₂ sensitivity (10 ppm detection limit).
  • Enhanced sensing performance was observed at low/zero bias, attributed to photocarriers and interface interactions, with humidity further boosting response.

Conclusions:

  • Interface engineering of MoO₂-MoSe₂ heterostructures enables room-temperature, self-powered gas sensing.
  • The developed sensors demonstrate high selectivity and sensitivity, suitable for humid environments.
  • This approach paves the way for nanoelectronic and MEMS-integrable sensing devices.