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Related Experiment Video

Updated: May 8, 2026

Compact Quantum Dots for Single-molecule Imaging
17:14

Compact Quantum Dots for Single-molecule Imaging

Published on: October 9, 2012

Directly deposited quantum dot solids using a colloidally stable nanoparticle ink.

Armin Fischer1, Lisa Rollny, Jun Pan

  • 1Department of Electrical and Computer Engineering, University of Toronto, 10 King's College Road, Toronto, Ontario, M5S 3G4, Canada.

Advanced Materials (Deerfield Beach, Fla.)
|August 13, 2013
PubMed
Summary

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We created a new colloidal quantum dot ink for efficient, large-area solar cell fabrication. This manufacturing-compatible ink enables single-step coating and achieves a 2.1% power conversion efficiency in a proof-of-principle device.

Area of Science:

  • Materials Science
  • Nanotechnology
  • Renewable Energy

Background:

  • Colloidal quantum dots (CQDs) offer tunable optoelectronic properties for next-generation solar cells.
  • Scalable and efficient deposition methods for CQD inks are crucial for commercial viability.
  • Current methods often involve complex processing or result in performance losses.

Purpose of the Study:

  • To develop a novel photovoltaic colloidal quantum dot ink.
  • To enable lossless, single-step coating of large areas using a manufacturing-compatible process.
  • To demonstrate the potential of this ink in a proof-of-principle solar cell.

Main Methods:

  • A solution-phase ligand exchange strategy was employed.
  • 1-thioglycerol-capped PbS quantum dots were synthesized in dimethyl sulfoxide.
Keywords:
PbScolloidal quantum dotsinkphotovoltaicsscalable manufacturingsmall mercaptans

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Production and Targeting of Monovalent Quantum Dots
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Production and Targeting of Monovalent Quantum Dots

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Last Updated: May 8, 2026

Compact Quantum Dots for Single-molecule Imaging
17:14

Compact Quantum Dots for Single-molecule Imaging

Published on: October 9, 2012

Production and Targeting of Monovalent Quantum Dots
10:16

Production and Targeting of Monovalent Quantum Dots

Published on: October 23, 2014

Inkjet Printing All Inorganic Halide Perovskite Inks for Photovoltaic Applications
07:42

Inkjet Printing All Inorganic Halide Perovskite Inks for Photovoltaic Applications

Published on: January 22, 2019

  • The ink was utilized for coating large areas in a single step.

    • Main Results:

    • The synthesized quantum dots exhibited a photoluminescence quantum yield of 24%.
    • The developed ink facilitated lossless, single-step coating.
    • A proof-of-principle solar cell achieved a 2.1% power conversion efficiency.

    Conclusions:

    • A novel colloidal quantum dot ink suitable for large-area, single-step coating has been successfully developed.
    • The materials strategy enables efficient ligand exchange for improved ink properties.
    • The achieved power conversion efficiency demonstrates the potential of this approach for photovoltaic applications.