Quantum-dot-sensitized solar cells

Sven Rühle, Menny Shalom, Arie Zaban

Research output: Contribution to journalReview articlepeer-review

764 Scopus citations

Abstract

Quantum-dot-sensitized solar cells (QDSCs) are a promising low-cost alternative to existing photovoltaic technologies such as crystalline silicon and thin inorganic films. The absorption spectrum of quantum dots (QDs) can be tailored by controlling their size, and QDs can be produced by low-cost methods. Nanostructures such as mesoporous films, nanorods, nanowires, nanotubes and nanosheets with high microscopic surface area, redox electrolytes and solid-state hole conductors are borrowed from standard dye-sensitized solar cells (DSCs) to fabricate electron conductor/QD monolayer/hole conductor junctions with high optical absorbance. Herein we focus on recent developments in the field of mono-and polydisperse QDSCs. Stability issues are adressed, coating methods are presented, performance is reviewed and special emphasis is given to the importance of energy-level alignment to increase the light to electric power conversion efficiency.

Original languageEnglish
Pages (from-to)2290-2304
Number of pages15
JournalChemPhysChem
Volume11
Issue number11
DOIs
StatePublished - 1 Jan 2010
Externally publishedYes

Keywords

  • Electrochemistry
  • Materials science
  • Photochemistry
  • Quantum dots
  • Solar cells

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