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Type: Journal article
Title: Near-infrared active lead chalcogenide quantum dots: preparation, post-synthesis ligand exchange, and applications in solar cells
Author: Shrestha, A.
Batmunkh, M.
Tricoli, A.
Qiao, S.Z.
Dai, S.
Citation: Angewandte Chemie International Edition, 2018; 58(16):5202-5224
Publisher: Wiley
Issue Date: 2018
ISSN: 1433-7851
Statement of
Aabhash Shrestha, Munkhbayar Batmunkh, Antonio Tricoli, Shi Zhang Qiao, Sheng Dai
Abstract: Quantum dots (QDs) of lead chalcogenides (e.g. PbS, PbSe, and PbTe) are attractive near-infrared (NIR) active materials that show great potential in a wide range of applications, such as, photovoltaics (PV), optoelectronics, sensors, and bio-electronics. The surface ligand plays an essential role in the production of QDs, post-synthesis modification, and their integration to practical applications. Therefore, it is critically important that the influence of surface ligands on the synthesis and properties of QDs is well understood for their applications in various devices. In this Review we elaborate the application of colloidal synthesis techniques for the preparation of lead chalcogenide based QDs. We specifically focus on the influence of surface ligands on the synthesis of QDs and their solution-phase ligand exchange. Given the importance of lead chalcogenide QDs as potential light harvesters, we also pay particular attention to the current progress of these QDs in photovoltaic applications.
Keywords: Lead chalcogenide
ligand exchange
quantum dots
Rights: © 2019 Wiley‐VCH Verlag GmbH & Co. KGaA, Weinheim
DOI: 10.1002/anie.201804053
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