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- Seok, Sang Il
- Laboratory for Energy Harvesting Materials and Systems
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Improved air stability of PbS-sensitized solar cell by incorporating ethanedithiol during spin-assisted successive ionic layer adsorption and reaction
- Author(s)
- Im, Sang Hyuk, Kim, Hi-Jung, Kim, Sungwoo, Kim, Sang-Wook, Seok, Sang Il
- Issued Date
- 2012-11
- Citation
- ORGANIC ELECTRONICS, v.13, no.11, pp.2352 - 2357
- Abstract
- We fabricated all solid-state PbS-sensitized solar cells by the repeated step-by-step spin-coating of Pb(NO3)(2), Na2S, and ethanedithiol (EDT) solution on mesoporous TiO2 (mp-TiO2) films. Incorporating EDT molecules into the PbS nanoparticles during the spin-assisted successive ionic layer adsorption and reaction (SILAR) process greatly improved the stability of the device in air and its efficiency owing to the improved charge injection and surface passivation because the EDT molecules prevent the overgrowth and oxidation of the PbS nanoparticles during the layer-by-layer coating of the EDT molecules. (C) 2012 Elsevier B.V. All rights reserved
- Publisher
- ELSEVIER SCIENCE BV
- ISSN
- 1566-1199
- Keyword (Author)
- Solar cells, PbS-sensitizer, Ethanedithiol, Air stability, Spin-assisted successive ionic layer adsorption and reaction
- Keyword
- QUANTUM DOTS, NANOPARTICLES, NANOCRYSTALS
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