Charge dynamics in colloidal quantum dots : recombination, trapping and multiple exciton generation

Leontiadou, M ORCID:, Smith, CT, Lydon, C and Binks, DJ 2017, 'Charge dynamics in colloidal quantum dots : recombination, trapping and multiple exciton generation' , in: Nanostructured Materials for Type III Photovoltaics , Royal Society of Chemistry.

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Colloidal quantum dots (CQDs) are semiconductor crystals, the nanometre-scale size of which both allows their absorption edge to be controlled during growth and enhances the yield of multiple exciton generation. These properties, combined with the facile and scalable solution-phase methods by which they can be made and processed, make CQDs promising candidates for the light-absorbing species in third-generation photovoltaic devices. However, the effectiveness of CQDs in this role depends crucially on the relative rates of a number processes affecting the charges photogenerated in CQDs. We describe the most important of these processes and how they can be optimised to enhance solar cell efficiency by engineering the structure and composition of CQDs.

Item Type: Book Section
Editors: Skabara, P and Malik, MA
Schools: Schools > School of Computing, Science and Engineering
Journal or Publication Title: RSC Nanoscience and Nanotechnology
Publisher: Royal Society of Chemistry
ISBN: 9781782624585
Related URLs:
Funders: Engineering and Physical Sciences Research Council (EPSRC)
Date Deposited: 02 Apr 2019 09:04
Last Modified: 27 Aug 2021 21:22

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