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Videos de Conceptos Relacionados

Double Resonance Techniques: Overview01:12

Double Resonance Techniques: Overview

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Double resonance techniques in Nuclear Magnetic Resonance (NMR) spectroscopy involve the simultaneous application of two different frequencies or radiofrequency pulses to manipulate and observe two distinct nuclear spins. One important application of double resonance is spin decoupling, which selectively suppresses coupling with one type of nucleus while observing the NMR signal from another nucleus, simplifying the spectrum and enhancing resolution.
Spin decoupling is usually achieved by...
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Video Experimental Relacionado

Updated: Jan 13, 2026

Production and Characterization of Vacuum Deposited Organic Light Emitting Diodes
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Emisores TADF MR de Resonancia Múltiple Asistidos por Heptazina con Cruce Intersistema Inverso Rápido para OLEDs

Changfeng Si1, Katrina Bergmann1, Kunping Guo2,3

  • 1Department of Chemistry, The University of British Columbia, Vancouver, British Columbia, Canada.

Advanced materials (Deerfield Beach, Fla.)
|January 10, 2026
PubMed
Resumen
Este resumen es generado por máquina.

Los investigadores desarrollaron novedosos emisores de fluorescencia retardada activada térmicamente (MR-TADF) asistidos por heptazina para diodos orgánicos emisores de luz procesados en solución (SP-OLEDs). Estos emisores logran alta eficiencia y brillo con un roll-off mínimo, estableciendo nuevos puntos de referencia para tecnologías de visualización avanzadas.

Palabras clave:
cruce intersistema inverso rápidoheptazinamulti-resonanciaOLEDs procesados en soluciónfluorescencia retardada activada térmicamente

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