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

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...

You might also read

Related Articles

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

Sort by

Same author

Cerebellum-inspired memtransistors enable emergent differentiation for hardware-efficient novelty detection.

Nature communications·2026

Same author

Screen-Printed Few-Layer Graphene Platforms for Monitoring Switchable Spin-Crossover Phenomena at Room-Temperature.

Advanced materials (Deerfield Beach, Fla.)·2026

Same author

Gate-Tunable Magnetoresistance in Antiferromagnetic van der Waals FePS<sub>3</sub> Transistors.

Nano letters·2026

Same author

The Role of Defect Geometry in Localized Emission from Monolayer Tungsten Dichalcogenides.

ACS nano·2026

Same author

Split-Gate Memtransistors for Energy-Efficient Adaptive Reinforcement Learning.

ACS nano·2026

Same author

Enzyme-responsive release of Insulin-like Growth Factor-1 from recombinant spider-silk protein nanofibrous membrane for enhanced neural cell proliferation.

Journal of materials science. Materials in medicine·2026

Search research articles

Related Experiment Video

Updated: Jul 18, 2025

A Standard and Reliable Method to Fabricate Two-Dimensional Nanoelectronics

A Standard and Reliable Method to Fabricate Two-Dimensional Nanoelectronics

Published on: August 28, 2018

Electroluminescence from Megasonically Solution-Processed MoS₂ Nanosheet Films.

Sonal V Rangnekar¹, Vinod K Sangwan¹, Mengru Jin¹

¹Department of Materials Science and Engineering, Northwestern University, Evanston, Illinois 60208, United States.

|August 22, 2023

Summary

This summary is machine-generated.

Researchers developed a new method using electrochemical intercalation and megasonic exfoliation to create molybdenum disulfide (MoS2) inks. This breakthrough enables electroluminescence in large-area, solution-processed films for flexible light sources.

Keywords:

2D materials electrochemical exfoliation light-emitting capacitors megasonication molybdenum disulfide

More Related Videos

Preparation of Liquid-exfoliated Transition Metal Dichalcogenide Nanosheets with Controlled Size and Thickness: A State of the Art Protocol

Preparation of Liquid-exfoliated Transition Metal Dichalcogenide Nanosheets with Controlled Size and Thickness: A State of the Art Protocol

Published on: December 20, 2016

Preparation of Large-area Vertical 2D Crystal Hetero-structures Through the Sulfurization of Transition Metal Films for Device Fabrication

Preparation of Large-area Vertical 2D Crystal Hetero-structures Through the Sulfurization of Transition Metal Films for Device Fabrication

Published on: November 28, 2017

Related Experiment Videos

Last Updated: Jul 18, 2025

A Standard and Reliable Method to Fabricate Two-Dimensional Nanoelectronics

A Standard and Reliable Method to Fabricate Two-Dimensional Nanoelectronics

Published on: August 28, 2018

Preparation of Liquid-exfoliated Transition Metal Dichalcogenide Nanosheets with Controlled Size and Thickness: A State of the Art Protocol

Preparation of Liquid-exfoliated Transition Metal Dichalcogenide Nanosheets with Controlled Size and Thickness: A State of the Art Protocol

Published on: December 20, 2016

Preparation of Large-area Vertical 2D Crystal Hetero-structures Through the Sulfurization of Transition Metal Films for Device Fabrication

Preparation of Large-area Vertical 2D Crystal Hetero-structures Through the Sulfurization of Transition Metal Films for Device Fabrication

Published on: November 28, 2017

Area of Science:

Materials Science
Nanotechnology
Optoelectronics

Background:

Two-dimensional (2D) transition metal dichalcogenides (TMDs) show promise for electroluminescent devices due to their optoelectronic properties.
Scalable production of optoelectronically active TMD monolayers for large-area films remains a challenge.

Purpose of the Study:

To demonstrate electroluminescence in large-area, solution-processed molybdenum disulfide (MoS2) films.
To overcome limitations in isolating TMD monolayers for device fabrication.

Main Methods:

Electrochemical intercalation and megasonic exfoliation to produce a monolayer-rich MoS2 ink.
Fabrication of MoS2 nanosheet films and vertical light-emitting capacitor devices.
Characterization of photoluminescence and electroluminescence properties.

Main Results:

Observed characteristic monolayer MoS2 photoluminescence and electroluminescence peaks at 1.88-1.90 eV.
Emission intensity increased with film thickness (10-70 nm).
Uniform electroluminescence achieved in large-area devices using a vertical capacitor architecture.

Conclusions:

Megasonically exfoliated MoS2 monolayers retain their direct bandgap character in thin films after solution processing.
Established megasonicated MoS2 inks as a viable additive manufacturing platform for flexible, patterned light sources.
The method is potentially expandable to other TMD semiconductors.