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- Title
Photovoltaics: Capturing hot electrons.
- Authors
Kamat, Prashant V.
- Abstract
The article discusses the transfer of hot electrons from excited lead selenide (PbSe) nanocrystals to titanium dioxide (TiO2) to boost the energy-conversion efficiency of photovoltaic solar cells. It employs the ultrafast spectroscopy tools to probe the transfer of electrons from the TiO2 surface using optical second harmonic generation (SGH) technique. It notes that the capture of hot electrons from PbSE nanocrystals at the TiO2 interface is an important milestone towards designing the next-generation solar cells.
- Subjects
HOT carriers; CHARGE exchange; LEAD selenide crystals; TITANIUM dioxide crystals; DIRECT energy conversion; PHOTOVOLTAIC cells; SECOND harmonic generation; NANOCRYSTALS; SOLAR cell design
- Publication
Nature Chemistry, 2010, Vol 2, Issue 10, p809
- ISSN
1755-4330
- Publication type
Article
- DOI
10.1038/nchem.814