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

You might also read

Related Articles

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

Sort by
Same author

A Versatile Strategy for the Uniform Patterning of Diverse Functional Materials via Controlled Marangoni Flow.

ACS nano·2026
Same author

Atomic-Scale Study on the Dynamic and Tribological Characteristics of Nanoparticles during Post-Chemical Mechanical Polishing Cleaning.

Langmuir : the ACS journal of surfaces and colloids·2025
Same author

Efficacy and safety of cadonilimab combined with AG chemotherapy in patients with unresectable locally advanced or metastatic pancreatic ductal adenocarcinoma: a retrospective real-world study.

Frontiers in immunology·2025
Same author

Synergies Between Atomically Dispersed Ru Single Atoms and Nanoparticles on CeAlOx for Enhanced Photo-Thermal Catalytic CO<sub>2</sub> Hydrogenation.

Advanced materials (Deerfield Beach, Fla.)·2025
Same author

Tailored Multi-Band Microwave Absorption Performance via Entropy Engineering in Spinel Ferrite/Carbon Nanofiber Composites.

Small (Weinheim an der Bergstrasse, Germany)·2025
Same author

High-Performance Flexible Electronics Fabricated Using a Surface Energy-Directed Assembly Process on Ultrathin Polyimide Substrates.

Small (Weinheim an der Bergstrasse, Germany)·2025
Same journal

Correction: Yang et al. Microstructural Characteristics of High-Pressure Die Casting with High Strength-Ductility Synergy Properties: A Review. <i>Materials</i> 2023, <i>16</i>, 1954.

Materials (Basel, Switzerland)·2026
Same journal

Effect of La and Ce Microalloying on the Corrosion Resistance of 0.4Sb Low-Alloy Steel in a Harsh Marine Atmospheric Environment.

Materials (Basel, Switzerland)·2026
Same journal

High-Temperature Properties of Magnesium Ammonium Phosphate Cement Modified with Gold Tailings.

Materials (Basel, Switzerland)·2026
Same journal

A Study on the Evolution of Intermetallic Phase Microstructure and High-Temperature Creep Behavior in Mg-8.0Al-1.0Nd-1.5Gd-Mn Alloys.

Materials (Basel, Switzerland)·2026
Same journal

Material-Driven Clinical Complications in Mechanical Circulatory Support: From Blood-Material Interactions to Device-Related Adverse Events.

Materials (Basel, Switzerland)·2026
Same journal

Influence of Final Irrigation on Calcium Silicate-Based Sealer Dentinal Tubular Penetration: A Systematic Review.

Materials (Basel, Switzerland)·2026
See all related articles

Related Experiment Video

Updated: Jun 17, 2025

Flash NanoPrecipitation for the Encapsulation of Hydrophobic and Hydrophilic Compounds in Polymeric Nanoparticles
10:12

Flash NanoPrecipitation for the Encapsulation of Hydrophobic and Hydrophilic Compounds in Polymeric Nanoparticles

Published on: January 7, 2019

22.0K

NO2-Sensitive SnO2 Nanoparticles Prepared Using a Freeze-Drying Method.

Lin Liu1, Jinbo Zhao2, Zhidong Jin1

  • 1Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials, Ministry of Education and School of Materials Science and Engineering, Shandong University, Jinan 250061, China.

Materials (Basel, Switzerland)
|August 10, 2024
PubMed
Summary
This summary is machine-generated.

Small-sized tin dioxide (SnO2) gas sensors prepared using freeze-drying methods show ultra-high sensitivity to nitrogen dioxide (NO2) at low temperatures. This advancement offers improved performance for NO2 detection.

Keywords:
NO2 sensorsSnO2electrical propertiesfreeze-drying methods

More Related Videos

Chemical Precipitation Method for the Synthesis of Nb2O5 Modified Bulk Nickel Catalysts with High Specific Surface Area
08:13

Chemical Precipitation Method for the Synthesis of Nb2O5 Modified Bulk Nickel Catalysts with High Specific Surface Area

Published on: February 19, 2018

11.8K
Preparation of Nanoparticles for ToF-SIMS and XPS Analysis
06:24

Preparation of Nanoparticles for ToF-SIMS and XPS Analysis

Published on: September 13, 2020

7.9K

Related Experiment Videos

Last Updated: Jun 17, 2025

Flash NanoPrecipitation for the Encapsulation of Hydrophobic and Hydrophilic Compounds in Polymeric Nanoparticles
10:12

Flash NanoPrecipitation for the Encapsulation of Hydrophobic and Hydrophilic Compounds in Polymeric Nanoparticles

Published on: January 7, 2019

22.0K
Chemical Precipitation Method for the Synthesis of Nb2O5 Modified Bulk Nickel Catalysts with High Specific Surface Area
08:13

Chemical Precipitation Method for the Synthesis of Nb2O5 Modified Bulk Nickel Catalysts with High Specific Surface Area

Published on: February 19, 2018

11.8K
Preparation of Nanoparticles for ToF-SIMS and XPS Analysis
06:24

Preparation of Nanoparticles for ToF-SIMS and XPS Analysis

Published on: September 13, 2020

7.9K

Area of Science:

  • Materials Science
  • Nanotechnology
  • Chemical Sensing

Background:

  • Tin dioxide (SnO2) is a widely used n-type semiconductor gas-sensing material due to its wide band gap (3.6 eV).
  • Pure SnO2 sensors often exhibit drawbacks such as high operating temperatures, low response, and slow response/recovery speeds.
  • These limitations hinder the practical application of SnO2 in sensitive gas detection systems.

Purpose of the Study:

  • To develop a novel method for preparing small-sized SnO2 with enhanced gas-sensing properties.
  • To investigate the effect of preparation methods (hydrothermal and freeze-drying vs. normal drying) on SnO2 morphology and gas-sensing performance.
  • To evaluate the sensitivity, selectivity, and stability of the prepared SnO2 sensors for nitrogen dioxide (NO2) detection.

Main Methods:

  • Hydrothermal synthesis and freeze-drying techniques were employed to prepare small-sized SnO2 (SnO2-FD).
  • A comparative study was conducted with SnO2 prepared using a conventional air-drying method (SnO2-AD).
  • Gas sensing performance was tested for NO2 detection at various temperatures, assessing sensitivity, selectivity, and humidity stability.

Main Results:

  • The SnO2-FD sensor demonstrated ultra-high sensitivity to NO2 at a low operating temperature of 100 °C.
  • The sensor exhibited excellent selectivity towards NO2 and maintained good stability under varying humidity conditions.
  • The enhanced performance is attributed to the modulated energy band structure and increased carrier concentration in small-sized SnO2, facilitating electron exchange.

Conclusions:

  • The freeze-drying method effectively produces small-sized SnO2 with significantly improved gas-sensing properties.
  • SnO2-FD sensors offer a promising alternative for highly sensitive and stable NO2 detection at reduced operating temperatures.
  • This research highlights the potential of tailored nanomaterial synthesis for advanced gas sensor applications.