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- Seok, Sang Il
- Laboratory for Energy Harvesting Materials and Systems
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Near-infrared responsive PbS-sensitized photovoltaic photodetectors fabricated by the spin-assisted successive ionic layer adsorption and reaction method
- Author(s)
- Im, Sang Hyuk, Kim, Hi-jung, Seok, Sang Il
- Issued Date
- 2011-09
- Citation
- NANOTECHNOLOGY, v.22, no.39
- Abstract
- A PbS-sensitized photovoltaic photodetector responsive to near-infrared (NIR) light was fabricated by depositing monolayered PbS nanoparticles on a mesoporous TiO(2) (mp-TiO(2)) film via the spin-assisted successive ionic layer adsorption and reaction (SILAR) method. By adjusting the size and morphology of the PbS nanoparticles through repeated spin-assisted SILAR cycles, the PbS-sensitized photovoltaic photodetector achieved an external quantum efficiency of 9.3% at 1140 nm wavelength and could process signals up to 1 kHz
- Publisher
- IOP PUBLISHING LTD
- ISSN
- 0957-4484
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