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

π Electron Effects on Chemical Shift: Aromatic and Antiaromatic Compounds01:14

π Electron Effects on Chemical Shift: Aromatic and Antiaromatic Compounds

1.9K
In aromatic compounds, such as benzene, the circulation of (4n + 2) π-electrons sets up a diamagnetic or diatropic ring current around the perimeter of the molecule. This current induces a magnetic field that opposes the external field inside the ring and reinforces it on the outside. The protons in benzene are deshielded and exhibit high chemical shifts in the range 6.5–8.5 ppm. The shielding effect at the center of the ring is evident in complex aromatic molecules, such as...
1.9K
Molecules and Compounds02:38

Molecules and Compounds

68.2K
Atoms and Molecules
68.2K
Semiconductors01:22

Semiconductors

1.4K
There is variation in the electrical conductivity of materials - metals, semiconductors, and insulators that are showcased with the help of the energy band diagrams.
Metals such as copper (Cu), zinc (Zn), or lead (Pb) have low resistivity and feature conduction bands that are either not fully occupied or overlap with the valence band, making a bandgap non-existent. This allows electrons in the highest energy levels of the valence band to easily transition to the conduction band upon gaining...
1.4K
Elements and Compounds01:27

Elements and Compounds

103.2K
Pure substances consist of only one type of matter. A pure substance can be an element or a compound. An element consists of only one type of atom, while a compound consists of two or more types of atoms held together by a chemical bond.
Elements
Elements are classified as atomic or molecular based on the nature of their basic units. They are unique forms of matter with specific chemical and physical properties that cannot break down into smaller substances by ordinary chemical reactions. There...
103.2K
Chemical Agents for Microbial Control01:27

Chemical Agents for Microbial Control

769
Chemicals play important roles in controlling microbial growth by targeting microbial structures and functions as sanitizers, antiseptics, disinfectants, and sterilants.Alcohols are commonly used sanitizers, effectively disrupting lipid membranes, which compromises cell integrity. They are also used as antiseptics and disinfectants due to their rapid action and versatility.Phenols and their derivatives phenolics , known for denaturing proteins and disrupting cell membranes, are particularly...
769
Nuclear Stability03:18

Nuclear Stability

22.9K
Protons and neutrons, collectively called nucleons, are packed together tightly in a nucleus. With a radius of about 10−15 meters, a nucleus is quite small compared to the radius of the entire atom, which is about 10−10 meters. Nuclei are extremely dense compared to bulk matter, averaging 1.8 × 1014 grams per cubic centimeter. If the earth’s density were equal to the average nuclear density, the earth’s radius would be only about 200 meters.
To hold positively charged protons together...
22.9K

You might also read

Related Articles

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

Sort by
Same author

Topology-Aware Lane Detection with Relational Reasoning and Consistency Constraints.

Sensors (Basel, Switzerland)·2026
Same author

A p-Type Wide Bandgap Ni<sub><i>x</i></sub>In<sub>1-<i>x</i></sub>O<sub>1+δ</sub> Oxide Alloy with Enhanced Hole Mobility for High Rectifying p-n Heterojunction Diodes.

ACS applied materials & interfaces·2026
Same author

Simulation of a Multiband Stacked Antiparallel Solar Cell with over 70% Efficiency.

Materials (Basel, Switzerland)·2025
Same author

Bandgap Gradient Nanowire Photodetectors for Logic Gates and Encrypted Optical Communication.

ACS nano·2025
Same author

On-Wire Halide Perovskite-Heterostructure-Based Photodetectors for Encrypted Communication.

Nano letters·2025
Same author

Antimony Doping in SnO<sub>2</sub> Nanoparticles for Sensitive NO<sub>2</sub> Sensors.

ACS sensors·2025

Related Experiment Video

Updated: Jan 21, 2026

Comprehensive Characterization of Extended Defects in Semiconductor Materials by a Scanning Electron Microscope
11:14

Comprehensive Characterization of Extended Defects in Semiconductor Materials by a Scanning Electron Microscope

Published on: May 28, 2016

14.4K

Electronically Controlled Chemical Stability of Compound Semiconductor Surfaces.

Junning Gao1,2, Yeonbae Lee2, Kin Man Yu3

  • 1School of Materials Science and Engineering , South China University of Technology , Guangzhou 510640 , China.

ACS Applied Materials & Interfaces
|August 14, 2019
PubMed
Summary

Semiconductor stability in humid conditions depends on surface charge. Optimizing surface charge by doping or material choice can prevent degradation from humidity, crucial for electronic device longevity.

Keywords:
CdOFermi stabilization energySnTemoisture degradationsemiconductor stabilitysurface charge determined stabilitysurface charge layer

More Related Videos

Silicon Metal-oxide-semiconductor Quantum Dots for Single-electron Pumping
14:58

Silicon Metal-oxide-semiconductor Quantum Dots for Single-electron Pumping

Published on: June 3, 2015

15.4K
Stabilizing Hepatocellular Phenotype Using Optimized Synthetic Surfaces
08:50

Stabilizing Hepatocellular Phenotype Using Optimized Synthetic Surfaces

Published on: September 26, 2014

10.6K

Related Experiment Videos

Last Updated: Jan 21, 2026

Comprehensive Characterization of Extended Defects in Semiconductor Materials by a Scanning Electron Microscope
11:14

Comprehensive Characterization of Extended Defects in Semiconductor Materials by a Scanning Electron Microscope

Published on: May 28, 2016

14.4K
Silicon Metal-oxide-semiconductor Quantum Dots for Single-electron Pumping
14:58

Silicon Metal-oxide-semiconductor Quantum Dots for Single-electron Pumping

Published on: June 3, 2015

15.4K
Stabilizing Hepatocellular Phenotype Using Optimized Synthetic Surfaces
08:50

Stabilizing Hepatocellular Phenotype Using Optimized Synthetic Surfaces

Published on: September 26, 2014

10.6K

Area of Science:

  • Materials Science
  • Surface Chemistry
  • Semiconductor Physics

Background:

  • Semiconductor degradation in humid environments is a critical issue for device reliability.
  • Surface charge plays a significant role in the stability of semiconductor materials.
  • Understanding these interactions is vital for developing durable electronic components.

Purpose of the Study:

  • To investigate the impact of a humid environment on semiconductor degradation.
  • To elucidate the role of surface charge in material stability.
  • To explore strategies for enhancing semiconductor resilience to moisture.

Main Methods:

  • Exposure of cadmium oxide (CdO) and tin telluride (SnTe) films to 85 °C and 85% relative humidity.
  • Electrical property measurements before and after environmental exposure.
  • Analysis of surface charge effects on semiconductor stability.

Main Results:

  • Undoped CdO with a positively charged surface showed significant instability.
  • Doping CdO to create a negatively charged surface greatly improved stability.
  • Undoped p-type SnTe with a negatively charged surface also exhibited superior stability.
  • Reactivity was attributed to the attraction of hydroxyl (OH-) or hydrogen (H+) ions.

Conclusions:

  • Semiconductor stability in humid environments is controllable via surface charge.
  • Surface charge dictates the interaction with environmental ions like OH- and H+.
  • These findings offer insights into protecting semiconductor surfaces in aqueous or ionic solutions.