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 Experiment Video

Updated: Feb 26, 2026

Processing of Bulk Nanocrystalline Metals at the US Army Research Laboratory
08:58

Processing of Bulk Nanocrystalline Metals at the US Army Research Laboratory

Published on: March 7, 2018

9.9K

A macrocycle-assisted nanoparticlization process for bulk Ag2S.

Xin He1, Yuechao Wang2, Cai-Yan Gao1

  • 1The Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology (Ministry of Education) , Department of Chemistry , Tsinghua University , Beijing 100084 , China .

Chemical Science
|July 15, 2017
PubMed
Summary

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

In-Situ Cyclized Polyacrylonitrile as an Electron Selective Layer for n-i-p Perovskite Solar Cell with Enhanced Efficiency and Stability.

Angewandte Chemie (International ed. in English)·2024
Same author

Electrochemical assembly of single-walled carbon nanotube/polypyrrole/tellurium/lead telluride multi-layer nanocomposite films for room-temperature flexible thermoelectric application.

Journal of colloid and interface science·2023
Same author

<i>t</i>-BuOK-catalysed alkylation of fluorene with alcohols: a highly green route to 9-monoalkylfluorene derivatives.

RSC advances·2022
Same author

Organic-inorganic hybrid perovskite for low-cost and high-performance xerographic photoreceptors.

RSC advances·2022
Same author

Pseudo <i>in situ</i> construction of high-performance thermoelectric composites with a dioxothiopyrone-based D-A polymer coating on SWCNTs.

RSC advances·2022
Same author

Full-Electrochemical Construction of High-Performance Polypyrrole/Tellurium Thermoelectrical Nanocomposites.

ACS applied materials & interfaces·2022

Researchers developed a novel method to create silver sulfide (Ag₂S) nanoparticles from bulk material using combined top-down and bottom-up techniques. This process yields nanoparticles with a large energy gap, offering new possibilities for nanomaterial design.

Area of Science:

  • Materials Science
  • Nanotechnology
  • Solid State Chemistry

Background:

  • Silver sulfide (Ag₂S) is a semiconductor material with potential applications in electronics and photonics.
  • Controlling the size and properties of Ag₂S nanomaterials is crucial for optimizing their performance.
  • Existing methods for Ag₂S nanoparticle synthesis often lack control over size and energy gap.

Purpose of the Study:

  • To develop a novel method for synthesizing Ag₂S nanoparticles with tunable properties.
  • To investigate the effect of a macrocyclic ligand on the formation of Ag₂S nanostructures.
  • To understand the relationship between electronic structure and the band gap of Ag₂S nanoparticles.

Main Methods:

  • A combined top-down and bottom-up approach for bulk-to-nano transformation of Ag₂S.

More Related Videos

Using Polystyrene-block-polyacrylic acid-coated Metal Nanoparticles as Monomers for Their Homo- and Co-polymerization
09:02

Using Polystyrene-block-polyacrylic acid-coated Metal Nanoparticles as Monomers for Their Homo- and Co-polymerization

Published on: July 9, 2015

12.9K
Millifluidics for Chemical Synthesis and Time-resolved Mechanistic Studies
12:55

Millifluidics for Chemical Synthesis and Time-resolved Mechanistic Studies

Published on: November 27, 2013

11.8K

Related Experiment Videos

Last Updated: Feb 26, 2026

Processing of Bulk Nanocrystalline Metals at the US Army Research Laboratory
08:58

Processing of Bulk Nanocrystalline Metals at the US Army Research Laboratory

Published on: March 7, 2018

9.9K
Using Polystyrene-block-polyacrylic acid-coated Metal Nanoparticles as Monomers for Their Homo- and Co-polymerization
09:02

Using Polystyrene-block-polyacrylic acid-coated Metal Nanoparticles as Monomers for Their Homo- and Co-polymerization

Published on: July 9, 2015

12.9K
Millifluidics for Chemical Synthesis and Time-resolved Mechanistic Studies
12:55

Millifluidics for Chemical Synthesis and Time-resolved Mechanistic Studies

Published on: November 27, 2013

11.8K
  • Utilizing hexamethylazacalix[6]pyridine (Py[6]) as a macrocyclic ligand for dissolving bulk Ag₂S and stabilizing silver sulfide cluster aggregates.
  • Protonation to remove protective Py[6] macrocycles and generate Ag₂S nanoparticles.
  • Hybrid DFT calculations to study the electronic structure (HOMO-LUMO orbitals) and band gap energies.

    • Main Results:

    • Successfully synthesized unconventional Ag₂S nanoparticles with a large energy gap.
    • Demonstrated that Py[6] macrocycles protect polynuclear silver sulfide cluster aggregates.
    • Theoretical calculations confirmed that high Ag/S ratio clusters have localized HOMO-LUMO orbitals, leading to enlarged band gaps.
    • Achieved control over the band gap of binary nanomaterials independently of particle size.

    Conclusions:

    • The developed method offers a versatile approach for fabricating Ag₂S nanomaterials.
    • The study provides fundamental insights into the electronic properties of silver sulfide clusters and nanoparticles.
    • This work opens avenues for designing nanomaterials with tailored band gaps for specific applications.