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Recent Research Progress in Surface Ligand Exchange of PbS Quantum Dots for Solar Cell Application

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Department of Energy Science and Engineering, Daegu Gyeongbuk Institute of Science & Technology (DGIST), Daegu 42988, Korea
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Division of Energy Technology, Daegu Gyeongbuk Institute of Science & Technology (DGIST), Daegu 42988, Korea
*
Authors to whom correspondence should be addressed.
The authors contributed equally.
Appl. Sci. 2020, 10(3), 975; https://doi.org/10.3390/app10030975
Received: 9 January 2020 / Revised: 21 January 2020 / Accepted: 27 January 2020 / Published: 2 February 2020
(This article belongs to the Special Issue Research Progress on Quantum Dot Solar Cells)
Colloidal quantum dots (CQDs) are considered as next-generation semiconductors owing to their tunable optical and electrical properties depending on their particle size and shape. The characteristics of CQDs are mainly governed by their surface chemistry, and the ligand exchange process plays a crucial role in determining their surface states. Worldwide studies toward the realization of high-quality quantum dots have led to advances in ligand exchange methods, and these procedures are usually carried out in either solid-state or solution-phase. In this article, we review recent advances in solid-state and solution-phase ligand exchange processes that enhance the performance and stability of lead sulfide (PbS) CQD solar cells, including infrared (IR) CQD photovoltaics. View Full-Text
Keywords: quantum dots; ligand exchange; solar cell; PbS quantum dots; ligand exchange; solar cell; PbS
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You, H.R.; Park, J.Y.; Lee, D.H.; Kim, Y.; Choi, J. Recent Research Progress in Surface Ligand Exchange of PbS Quantum Dots for Solar Cell Application. Appl. Sci. 2020, 10, 975.

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