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Surface Chemistry and Engineering of Colloidal Semiconductor Nanocrystals for Photovoltaic Applications

Title
Surface Chemistry and Engineering of Colloidal Semiconductor Nanocrystals for Photovoltaic Applications
Authors
Kim, Younghoon
DGIST Authors
Kim, Younghoon
Issue Date
2019-10-18
Citation
제124회 대한화학회 학술발표회
Type
Conference
Abstract
Colloidal semiconductor nanocrystals have been attracted considerable attention in various optoelectronic applications such as solar cells, light-emitting diodes, etc. Owing to their size-, composition-tunable optical bandgaps, excellent photophysical properties, and low temperature solution processibility. In this presentation, we present the photovoltaic device applications based on colloidal quantum dot nanocrystals. Colloidal quantum dot nanocrystals are synthesized via hot-injection methods using long-chain insulating ligands (i.e., oleic acid, oleylamine, etc.). The original ligands of as-synthesized colloidal quantum dots should be replaced with organic/inorganic short chain ligands in order to enhance the charge transporting within the nanocrystal-based thin films. We also should consider optimum ligands, surface passivation, final film thickness as well as device architectures for further improved photovoltaic performance. Considering all the properties above-mentioned, we here demonstrate the perspective and recent research trend of colloidal quantum dot-based photovoltaic applications.
URI
http://hdl.handle.net/20.500.11750/14234
Publisher
대한화학회
Files:
There are no files associated with this item.
Collection:
Division of Energy Technology2. Conference Papers


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