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Related Concept Videos

P-N junction01:11

P-N junction

813
A p-n junction is formed when p-type and n-type semiconductor materials are joined together. At the interface of the p-n junction, holes from the p-side and electrons from the n-side begin to diffuse into the opposite sides due to the concentration gradient. This diffusion of carriers leads to a region around the junction where there are no free charge carriers, known as the depletion region. The charge density within the depletion region for the n-side and p-side can be described by the...
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Related Experiment Video

Updated: Nov 8, 2025

Key Factors Affecting the Performance of Sb2S3-sensitized Solar Cells During an Sb2S3 Deposition via SbCl3-thiourea Complex Solution-processing
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Efficient and Stable Antimony Selenoiodide Solar Cells.

Riming Nie1, Manman Hu1, Andi Muhammad Risqi1

  • 1School of Energy and Chemical Engineering Ulsan National Institute of Science and Technology (UNIST) 50 UNIST-gil, Eonyang-eup, Ulju-gun Ulsan 44919 Republic of Korea.

Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
|April 26, 2021
PubMed
Summary

Researchers developed novel antimony selenoiodide (SbSeI) solar cells for the first time. These efficient and stable SbSeI solar cells offer a promising low-cost, green alternative for renewable energy applications.

Keywords:
SbSeIchalcohalideslead‐free perovskite materialssolar cells

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Area of Science:

  • Materials Science
  • Renewable Energy
  • Semiconductor Physics

Background:

  • Antimony selenoiodide (SbSeI) possesses a suitable bandgap and interesting physicochemical properties.
  • SbSeI has not been previously explored for solar cell applications.

Purpose of the Study:

  • To report the first fabrication of SbSeI solar cells.
  • To investigate the performance and stability of these novel solar cells.

Main Methods:

  • Fabrication of SbSeI solar cells via spin-coating SbI3 solutions on a Sb2Se3 thin layer.
  • Thermal decomposition of a single-source precursor solution to form the Sb2Se3 layer.
  • Performance characterization under standard AM 1.5 G illumination.

Main Results:

  • Achieved a power conversion efficiency (PCE) of 4.1% with a short-circuit current density of 14.8 mA cm⁻², open-circuit voltage of 473.0 mV, and fill factor of 58.7%.
  • Demonstrated high operational stability, retaining approximately 90.0% of the initial PCE after 2321 minutes of continuous illumination.

Conclusions:

  • A new approach combining selenide and iodide anions was successfully employed.
  • The fabricated SbSeI solar cells are efficient, stable, green, and low-cost, presenting a viable option for future solar energy technologies.