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 Videos

Nanowire dye-sensitized solar cells.

Matt Law1, Lori E Greene, Justin C Johnson

  • 1Department of Chemistry, University of California, Berkeley, California 94720, USA.

Nature Materials
|May 17, 2005
PubMed
Summary

Dye-sensitized solar cells (DSCs) using ZnO nanowires instead of nanoparticles improve electron transport for efficient solar energy conversion. This approach offers a promising alternative for cost-effective solar power generation.

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

Rh(III)-Catalyzed [4 + 1] Annulation of Benzamides with CF<sub>3</sub>-Ynones as a C<sub>1</sub> Synthon: Access to CF<sub>3</sub>-Containing Isoindolinones.

Organic letters·2026
Same author

Wired and Wireless Photosynthetic Biohybrids: Design, Materials, and Mechanisms.

Chemical reviews·2026
Same author

Endogenous Engineering Reprograms Extracellular Vesicles for Enhanced Therapeutic Function.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)·2026
Same author

A Lens into the Cu Nanograin by <i>In Situ</i> Vibrational Spectroscopy.

Journal of the American Chemical Society·2026
Same author

EZH2 inhibition triggers a context-specific ACSS2-H3K9ac-HK2 metabolic circuit in EZH2 non-mutant solid tumors.

Cellular oncology (Dordrecht, Netherlands)·2026
Same author

Gate-All-Around Nanowire Field-Effect Transistors: A Historical Perspective.

Nano letters·2026

Area of Science:

  • Materials Science
  • Renewable Energy
  • Nanotechnology

Background:

  • Excitonic solar cells, including dye-sensitized cells (DSCs), are key for low-cost solar energy.
  • Traditional DSCs use nanoparticle films, but slow electron transport via trap-limited diffusion limits efficiency.

Purpose of the Study:

  • To develop a novel DSC architecture using oriented ZnO nanowires to replace nanoparticle films.
  • To enhance electron transport and overall device efficiency in dye-sensitized solar cells.

Main Methods:

  • Synthesized a dense array of oriented, crystalline ZnO nanowires using mild aqueous chemistry.
  • Replaced the conventional nanoparticle film anode with the synthesized ZnO nanowire array.
  • Fabricated and tested the performance of the novel dye-sensitized solar cell.

Related Experiment Videos

Main Results:

  • The ZnO nanowire anode offers direct electrical pathways, facilitating rapid carrier collection.
  • Achieved a 1.5% power conversion efficiency under full Sun conditions.
  • Device efficiency was primarily limited by the surface area of the nanowire array.

Conclusions:

  • Oriented ZnO nanowire arrays provide a viable alternative to nanoparticle films in DSCs.
  • This architecture significantly improves electron transport dynamics for better solar cell performance.
  • Further optimization of surface area could lead to even higher efficiencies in nanowire-based DSCs.