Jove
Visualize
Contact Us

Related Experiment Videos

Optical amplification in a first-generation dendritic organic semiconductor.

Justin R Lawrence1, Graham A Turnbull, Ifor D W Samuel

  • 1Organic Semiconductor Centre and Ultrafast Photonics Collaboration, School of Physics and Astronomy, University of St. Andrews, St. Andrews, Fife KY16 9SS, United Kingdom.

Optics Letters
|May 4, 2004
PubMed
Summary

Researchers explored organic semiconductors for optical gain. Semiconducting dendrimers demonstrated significant light amplification in both solution and solid states, showing promise for visible lasers and amplifiers.

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

A Blue Emissive Heavy Atom-Free Multiresonant Thermally Activated Delayed Fluorescent Emitter Shows Ultra-Fast Reverse Intersystem Crossing.

Angewandte Chemie (International ed. in English)·2026
Same author

Organic light-emitting diode-based photodynamic therapy treats bacterial infection in a preclinical <i>ex vivo</i> burn wound model.

Burns & trauma·2026
Same author

Interaction of Polymer of Intrinsic Microporosity PIM‑1 with Explosive Analytes at the Molecular Level: Combined Experiment and Computational Modeling.

The journal of physical chemistry. C, Nanomaterials and interfaces·2026
Same author

Corrigendum to "Photodynamic therapy offers a novel approach to managing miltefosine-resistant cutaneous leishmaniasis" [Biomed. Pharmacother. 177 (2024) 116881].

Biomedicine & pharmacotherapy = Biomedecine & pharmacotherapie·2026
Same author

Novel 4,8-benzobisthiazole copolymers and their field-effect transistor and photovoltaic applications.

Journal of materials chemistry. C·2026
Same author

Analysis and control of untemplated DNA polymerase activity for guided synthesis of kilobase-scale DNA sequences.

Nature communications·2026
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

Area of Science:

  • Organic electronics
  • Materials science
  • Photonics

Background:

  • Organic semiconductors are being investigated for optical applications.
  • Developing efficient optical gain media is crucial for laser and amplifier technologies.

Purpose of the Study:

  • To investigate a new class of organic semiconductor, bis-fluorene-cored semiconducting dendrimers, as an optical gain medium.
  • To demonstrate light amplification in both solution and solid states using these dendrimers.

Main Methods:

  • Studied stimulated emission in a solution of first-generation bis-fluorene-cored semiconducting dendrimer.
  • Investigated amplified spontaneous emission in an optically pumped dendrimer planar waveguide in the solid state.

Main Results:

Related Experiment Videos

  • Achieved amplification of violet light (420 nm) with gains of 36 dB cm⁻¹ in solution.
  • Observed amplification at 390 nm with gains of 26 dB cm⁻¹ in solution.
  • Demonstrated a high gain of 350 dB cm⁻¹ in the solid state using a dendrimer planar waveguide.

Conclusions:

  • Semiconducting dendrimers exhibit significant optical gain.
  • These materials show potential for use as visible laser and amplifier materials.