Ultrafast dynamics in QD based photoelectrochemical cells

Alireza Honarfar, Hassan Mourad, Mohamed Abdellah, Pavel Chabera, Galina Pankratova, Lo Gorton, Kaibo Zheng, Tönu Pullerits*

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

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We have prepared electrodes for photo-electro-chemical cells which have enabled to pre-charge colloidal quantum dots in well-controlled fashion. Femtosecond transient absorption measurements were carried out revealing clear speed-up of the photo-induced charge carrier dynamics, particularly the recombination. Such studies allow to understand the behavior of light harvesting materials in operational conditions of optoelectronic devices giving new recipes for improvements.
Original languageEnglish
Title of host publicationPhysical Chemistry of Semiconductor Materials and Interfaces XVIII
EditorsChristian Nielsen , Daniel Congreve , Hugo A. Bernstein , Felix Deschler
Number of pages6
PublisherSPIE - International Society for Optical Engineering
Publication date2019
Publication statusPublished - 2019
EventSPIE Nanoscience + Engineering 2019 - San Diego, United States
Duration: 11 Aug 201915 Aug 2019


ConferenceSPIE Nanoscience + Engineering 2019
Country/TerritoryUnited States
CitySan Diego
SeriesProceedings of S P I E - International Society for Optical Engineering


  • Femtosecond spectro-electrochemistry
  • Quantum Dots
  • CdSe
  • Trion
  • Exciton


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