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

Emission Spectra02:39

Emission Spectra

75.9K
When solids, liquids, or condensed gases are heated sufficiently, they radiate some of the excess energy as light. Photons produced in this manner have a range of energies, and thereby produce a continuous spectrum in which an unbroken series of wavelengths is present.
75.9K
The Carbon Cycle01:14

The Carbon Cycle

43.3K
Carbon is the basis of all organic matter on Earth, and is recycled through the ecosystem in two primary processes: one in which carbon is exchanged among living organisms, and one in which carbon is cycled over long periods of time through fossilized organic remains, weathering of rocks, and volcanic activity. Human activities, including increased agricultural practices and the burning of fossil fuels, has greatly affected the balance of the natural carbon cycle.
43.3K
Carbon Skeletons01:12

Carbon Skeletons

114.4K
Life on Earth is carbon-based, as all macromolecules that make up living organisms contain carbon atoms. All organic compounds have a carbon backbone. Each carbon atom is tetravalent and can bond with four other atoms, making it an extraordinarily flexible component of biological molecules. Because carbon’s valence electrons are stable, it rarely becomes an ion. As the carbon chain increases in length, structural modifications such as ring structures, double bonds, and branching side...
114.4K
Ultraviolet and Visible (UV–Vis) Spectroscopy: Overview01:02

Ultraviolet and Visible (UV–Vis) Spectroscopy: Overview

4.5K
Ultraviolet–visible (UV–visible or UV–Vis) spectroscopy is an analytical technique that investigates the interaction between matter and UV–Vis light within the electromagnetic spectrum. This method is widely used for its versatility, simplicity, and relatively quick data acquisition, making it valuable for both qualitative and quantitative analysis. When UV–Vis radiation passes through a material,  molecules absorb light depending on the energy required for...
4.5K
Carbonation Shrinkage01:24

Carbonation Shrinkage

451
Atmospheric CO2 penetrates the concrete's pores and, in the presence of moisture, forms carbonic acid, which then reacts with calcium hydroxide in the hydrated cement, forming calcium carbonate. This process reduces the concrete's volume and is termed carbonation shrinkage.
The concrete's permeability is slightly reduced as calcium carbonate produced during the reaction fills its pores. Furthermore, its strength is slightly enhanced as the water released during the reaction...
451
Positron Emission Tomography01:29

Positron Emission Tomography

7.0K
Positron emission tomography (PET) is a medical imaging technique involving radiopharmaceuticals — substances that emit short-lived radiation. Although the first PET scanner was introduced in 1961, it took 15 more years before radiopharmaceuticals were combined with the technique and revolutionized its potential.
One of the main requirements of a PET scan is a positron-emitting radioisotope, which is produced in a cyclotron and then attached to a substance used by the part of the body...
7.0K

You might also read

Related Articles

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

Sort by
Same author

Ethical implications of high attrition in AI-based mental health interventions: a systematic review and meta-analysis.

BMC medical ethics·2026
Same author

PharmaGNN: a model for odor prediction based on graph neural networks.

Journal of the science of food and agriculture·2026
Same author

Machine Learning-Guided Tailored Synthesis of Single Room-Temperature Phosphorescent Carbon Dots.

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

APOE4 accelerates menopause-associated brain metabolic shift and disrupts bioenergetic adaptation.

Frontiers in aging neuroscience·2026
Same author

Decoding MnO<sub>2</sub> redox chemistry from mechanistic ambiguity to design principles for aqueous Zn-ion batteries.

Nature communications·2026
Same author

Unmasking the intrinsic mechanistic limits of manganese Prussian blue analogues in aqueous Zn-ion batteries.

Chemical science·2026

Related Experiment Video

Updated: Jan 22, 2026

High-Speed Ultraviolet Photoacoustic Microscopy for Histological Imaging with Virtual-Staining assisted by Deep Learning
09:31

High-Speed Ultraviolet Photoacoustic Microscopy for Histological Imaging with Virtual-Staining assisted by Deep Learning

Published on: April 28, 2022

3.5K

Deep-Ultraviolet Emissive Carbon Nanodots.

Shi-Yu Song1, Kai-Kai Liu1, Jian-Yong Wei1

  • 1Henan Key Laboratory of Diamond Optoelectronic Materials and Devices, Key Laboratory of Material Physics, Ministry of Education, School of Physics , Zhengzhou University , Zhengzhou 450052 , China.

Nano Letters
|July 6, 2019
PubMed
Summary

Researchers developed deep-ultraviolet (DUV) emissive carbon nanodots (CNDs) with high photoluminescence quantum yield. These DUV CNDs show stable emission and potential for novel DUV light sources.

Keywords:
Carbon nanodotdeep-ultravioletdensity functional theoryemission

More Related Videos

The Use of an Automated System GreenFeed to Monitor Enteric Methane and Carbon Dioxide Emissions from Ruminant Animals
11:02

The Use of an Automated System GreenFeed to Monitor Enteric Methane and Carbon Dioxide Emissions from Ruminant Animals

Published on: September 7, 2015

23.0K
Reducing Willow Wood Fuel Emission by Low Temperature Microwave Assisted Hydrothermal Carbonization
09:46

Reducing Willow Wood Fuel Emission by Low Temperature Microwave Assisted Hydrothermal Carbonization

Published on: May 19, 2019

8.6K

Related Experiment Videos

Last Updated: Jan 22, 2026

High-Speed Ultraviolet Photoacoustic Microscopy for Histological Imaging with Virtual-Staining assisted by Deep Learning
09:31

High-Speed Ultraviolet Photoacoustic Microscopy for Histological Imaging with Virtual-Staining assisted by Deep Learning

Published on: April 28, 2022

3.5K
The Use of an Automated System GreenFeed to Monitor Enteric Methane and Carbon Dioxide Emissions from Ruminant Animals
11:02

The Use of an Automated System GreenFeed to Monitor Enteric Methane and Carbon Dioxide Emissions from Ruminant Animals

Published on: September 7, 2015

23.0K
Reducing Willow Wood Fuel Emission by Low Temperature Microwave Assisted Hydrothermal Carbonization
09:46

Reducing Willow Wood Fuel Emission by Low Temperature Microwave Assisted Hydrothermal Carbonization

Published on: May 19, 2019

8.6K

Area of Science:

  • Materials Science
  • Nanotechnology
  • Optoelectronics

Background:

  • Carbon nanodots (CNDs) are emerging nanomaterials with tunable optical properties.
  • Deep-ultraviolet (DUV) light sources are crucial for various applications, but their development faces challenges.
  • Existing DUV emitters often suffer from low efficiency and instability.

Purpose of the Study:

  • To design and experimentally realize deep-ultraviolet (DUV) emissive carbon nanodots (CNDs).
  • To investigate the origin of DUV emission and its stability.
  • To explore the potential applications of these DUV CNDs in light-emitting devices.

Main Methods:

  • First-principles calculations using density functional theory (DFT) for theoretical design.
  • Experimental synthesis and characterization of carbon nanodots.
  • Fabrication of DUV light-emitting diodes (LEDs) using the synthesized CNDs.

Main Results:

  • Theoretical design and experimental validation of DUV emissive CNDs with emission in the 280-300 nm range.
  • Achieved a high photoluminescence quantum yield (PLQY) of up to 31.6%.
  • Demonstrated excitation-independent and solvent-independent emission due to core-state emission and surface passivation.
  • Successfully fabricated DUV LEDs capable of exciting other CNDs for multicolor emission.

Conclusions:

  • The study successfully designed and demonstrated DUV emissive CNDs with excellent optical properties.
  • The findings highlight the importance of core-state emission and surface passivation for stable DUV emission.
  • These DUV CNDs show significant promise for applications in advanced DUV light sources and optoelectronic devices.