Progress in halide-perovskite nanocrystals with near-unity photoluminescence quantum yield
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Título
Progress in halide-perovskite nanocrystals with near-unity photoluminescence quantum yieldFecha de publicación
2021Editor
Cell Press; ElsevierISSN
2589-5974Cita bibliográfica
GUALDRÓN-REYES, Andrés F.; MASI, Sofia; MORA-SERÓ, Iván. Progress in halide-perovskite nanocrystals with near-unity photoluminescence quantum yield. Trends in Chemistry, 2021Tipo de documento
info:eu-repo/semantics/articleVersión de la editorial
https://www.cell.com/trends/chemistry/fulltext/S2589-5974(21)00059-9Versión
info:eu-repo/semantics/acceptedVersionPalabras clave / Materias
Resumen
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). [-]
Publicado en
Trends in Chemistry, 2021Entidad financiadora
European Research Council | Ministerio de Ciencia e Innovación | Generalitat Valenciana
Código del proyecto o subvención
724424 No-LIMIT | PID2019-107314RB-I00, | Prometeo/2018/ 098
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Copyright © Elsevier Inc.
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info:eu-repo/semantics/openAccess
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