Progress in halide-perovskite nanocrystals with near-unity photoluminescence quantum yield
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Show full item recordcomunitat-uji-handle:10234/9
comunitat-uji-handle2:10234/160292
comunitat-uji-handle3:10234/160293
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INVESTIGACIONMetadata
Title
Progress in halide-perovskite nanocrystals with near-unity photoluminescence quantum yieldDate
2021Publisher
Cell Press; ElsevierISSN
2589-5974Bibliographic citation
GUALDRÓN-REYES, Andrés F.; MASI, Sofia; MORA-SERÓ, Iván. Progress in halide-perovskite nanocrystals with near-unity photoluminescence quantum yield. Trends in Chemistry, 2021Type
info:eu-repo/semantics/articlePublisher version
https://www.cell.com/trends/chemistry/fulltext/S2589-5974(21)00059-9Version
info:eu-repo/semantics/acceptedVersionSubject
Abstract
Colloidal halide perovskite nanocrystals (PNCs) are an outstanding case study due to their remarkable optical features, such as a high photoluminescence (PL) quantum yield (PLQY), tunable band gap, and narrow emission. ... [+]
Colloidal halide perovskite nanocrystals (PNCs) are an outstanding case study due to their remarkable optical features, such as a high photoluminescence (PL) quantum yield (PLQY), tunable band gap, and narrow emission. Despite the impressive first reports of PLQYs beyond 70%, it has been observed that PLQY is limited by structural defects arising from labile interactions between the organic capping ligand and the inorganic core. Structural defects acting as trap states are key factors limiting both PNC PLQY and stability. In this review, we present the most studied, common, and alternative protocols to fully compensate for surface defects (e.g., halide vacancies, loss of protective capping ligands) as well as how to increase their stability and PLQY to unity (i.e., 100% when PLQY is expressed as a percentage). [-]
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Trends in Chemistry, 2021Funder Name
European Research Council | Ministerio de Ciencia e Innovación | Generalitat Valenciana
Project code
724424 No-LIMIT | PID2019-107314RB-I00, | Prometeo/2018/ 098
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Copyright © Elsevier Inc.
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