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: Dec 22, 2025

Digital Printing of Titanium Dioxide for Dye Sensitized Solar Cells
08:19

Digital Printing of Titanium Dioxide for Dye Sensitized Solar Cells

Published on: May 4, 2016

13.1K

Efficiency Considerations for SnO2-Based Dye-Sensitized Solar Cells.

Brian N DiMarco1, Renato N Sampaio1, Erica M James1

  • 1Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States.

ACS Applied Materials & Interfaces
|May 2, 2020
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

Interfacial Charge Transfer Pathways in Photoelectrochemical H<sub>2</sub> Evolution by a Single-Component Molecular Catalyst on a Conductive Metal Oxide.

Journal of the American Chemical Society·2026
Same author

Hot-Carrier Injection and Millisecond Charge Separation from a Robust Heteroleptic Iron(II) Chromophore Immobilized on TiO<sub>2</sub>.

Journal of the American Chemical Society·2026
Same author

A Monolithic Artificial Leaf for Solar Methanol Production from CO<sub>2</sub> and H<sub>2</sub>O.

Journal of the American Chemical Society·2026
Same author

Mechanistic Insights into CO<sub>2</sub>-to-CO Photoreduction by Proton-Responsive Imidazole-Pyridine Re(I) Complexes.

Inorganic chemistry·2026
Same author

Quantitative Analysis of the Semiconductor-Electrolyte Interface Using Cyclic Voltammetry Measurements.

Journal of the American Chemical Society·2026
Same author

Rhodium-Catalyzed Arene Alkenylation Using Benzoquinone Derivatives as Oxidants.

Organometallics·2026

Low efficiency in tin oxide (SnO2) dye-sensitized solar cells (DSSCs) stems from rapid recombination with the oxidized sensitizer, not iodide. Improving SnO2 DSSCs requires new redox mediators to prevent this electron loss.

Area of Science:

  • Materials Science
  • Photovoltaics
  • Electrochemistry

Background:

  • Dye-sensitized solar cells (DSSCs) are a promising photovoltaic technology.
  • Tin oxide (SnO2) and titanium dioxide (TiO2) are commonly used semiconductor materials in DSSCs.
  • Understanding charge transfer dynamics is crucial for improving DSSC efficiency.

Purpose of the Study:

  • To compare the performance of SnO2 and TiO2 based DSSCs.
  • To identify the primary reasons for the lower efficiency observed in SnO2-based DSSCs.
  • To investigate charge recombination pathways in both SnO2 and TiO2 systems.

Main Methods:

  • Comparative study of mesoporous SnO2 and TiO2 thin films.
  • Sensitization with a ruthenium complex dye: [Ru(dtb)2(dcb)](PF6)2.
Keywords:
SnO2charge recombinationdye-sensitized solar cellssensitizer regeneration

More Related Videos

Electrospinning of Photocatalytic Electrodes for Dye-sensitized Solar Cells
09:30

Electrospinning of Photocatalytic Electrodes for Dye-sensitized Solar Cells

Published on: June 28, 2017

10.0K
Making Record-efficiency SnS Solar Cells by Thermal Evaporation and Atomic Layer Deposition
14:01

Making Record-efficiency SnS Solar Cells by Thermal Evaporation and Atomic Layer Deposition

Published on: May 22, 2015

43.2K

Related Experiment Videos

Last Updated: Dec 22, 2025

Digital Printing of Titanium Dioxide for Dye Sensitized Solar Cells
08:19

Digital Printing of Titanium Dioxide for Dye Sensitized Solar Cells

Published on: May 4, 2016

13.1K
Electrospinning of Photocatalytic Electrodes for Dye-sensitized Solar Cells
09:30

Electrospinning of Photocatalytic Electrodes for Dye-sensitized Solar Cells

Published on: June 28, 2017

10.0K
Making Record-efficiency SnS Solar Cells by Thermal Evaporation and Atomic Layer Deposition
14:01

Making Record-efficiency SnS Solar Cells by Thermal Evaporation and Atomic Layer Deposition

Published on: May 22, 2015

43.2K
  • Electrolyte solutions in acetonitrile (CH3CN).
  • Pulsed laser excitation and transient photovoltage measurements.
  • Spectroscopic analysis of excited states and recombination kinetics.

    • Main Results:

    • Excited state injection was rapid for both SnO2 and TiO2 (>10^8 s^-1).
    • Electron recombination with the oxidized sensitizer was significantly faster in SnO2 (9.8 x 10^4 s^-1) compared to TiO2 (1.6 x 10^3 s^-1).
    • Electron recombination with iodide was slower in SnO2 (6.0 s^-1) than in TiO2 (160 s^-1), contradicting previous assumptions.

    Conclusions:

    • The main limitation for SnO2-based DSSCs is rapid charge recombination between injected electrons and the oxidized dye.
    • Alternative redox mediators are needed to improve SnO2 DSSC efficiency by facilitating regeneration and suppressing recombination.
    • Further research should focus on mitigating electron recombination with the oxidized sensitizer in SnO2 systems.