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Related Concept Videos

Electrophilic Addition of HX to 1,3-Butadiene: Thermodynamic vs Kinetic Control01:23

Electrophilic Addition of HX to 1,3-Butadiene: Thermodynamic vs Kinetic Control

The addition of a hydrogen halide to 1,3-butadiene gives a mixture of 1,2- and 1,4-adducts. Since more substituted alkenes are more stable, the 1,4-adduct is expected to be the major product. However, the product distribution is strongly influenced by temperature; low temperature favors the 1,2-adduct, whereas the 1,4-adduct is predominant at high temperature.

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Related Experiment Video

Updated: May 24, 2026

Synthesis of Bimetallic Pt/Sn-based Nanoparticles in Ionic Liquids
07:14

Synthesis of Bimetallic Pt/Sn-based Nanoparticles in Ionic Liquids

Published on: August 23, 2018

Bimetallic nanoparticles: kinetic control matters.

Xiaowang Liu1, Xiaogang Liu

  • 1Department of Chemistry, National University of Singapore, Singapore.

Angewandte Chemie (International Ed. in English)
|February 16, 2012
PubMed
Summary
This summary is machine-generated.

Researchers fabricated bimetallic nanoparticles using a kinetic control strategy. This method allows for the synthesis of palladium-silver nanoparticles with specific shapes and tunable plasmon resonances.

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A Continuous-flow Photocatalytic Reactor for the Precisely Controlled Deposition of Metallic Nanoparticles
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A Continuous-flow Photocatalytic Reactor for the Precisely Controlled Deposition of Metallic Nanoparticles

Published on: April 10, 2019

Area of Science:

  • Nanotechnology
  • Materials Science
  • Physical Chemistry

Background:

  • Bimetallic nanoparticles offer unique properties due to synergistic effects.
  • Controlling nanoparticle morphology is crucial for tuning their optical and catalytic characteristics.
  • Localized surface plasmon resonances (LSPRs) in metallic nanoparticles are highly sensitive to their size and shape.

Purpose of the Study:

  • To develop a kinetic control strategy for fabricating bimetallic nanoparticles with controlled morphologies.
  • To synthesize palladium-silver (Pd-Ag) bimetallic nanoparticles using cubic palladium (Pd) nanocrystals as seeds.
  • To investigate the tunability of localized surface plasmon resonances (LSPRs) in the synthesized Pd-Ag bimetallic nanoparticles.

Main Methods:

  • Utilized a kinetic control strategy involving precise precursor injection rates.
  • Employed cubic palladium (Pd) nanocrystals as seeds for bimetallic growth.
  • Employed a syringe pump for controlled addition of silver (Ag) precursor to Pd seeds.

Main Results:

  • Successfully synthesized Pd-Ag bimetallic nanoparticles with controlled shapes.
  • Demonstrated that the injection rate of the precursor influences nanoparticle morphology.
  • Achieved tunable localized surface plasmon resonances (LSPRs) in the fabricated Pd-Ag bimetallic nanoparticles.
  • The resulting nanoparticles exhibited distinct morphologies dependent on the kinetic control parameters.

Conclusions:

  • A kinetic control strategy provides a viable method for fabricating shape-controlled bimetallic nanoparticles.
  • The synthesis of Pd-Ag bimetallic nanoparticles with tailored morphologies and tunable LSPRs is achievable.
  • This approach offers a pathway for designing plasmonic nanomaterials with specific optical properties for various applications.